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RISK FACTORS

Investing in our Class A common stock involves a high degree of risk. You should consider carefully the risks and uncertainties described below, together with all of the other information in this prospectus, including the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Non-GAAP Financial Measures” and our consolidated financial statements and related notes, before making a decision to invest in our Class A common stock. Our business, financial condition, or results of operations could also be harmed by risks and uncertainties not currently known to us or that we currently do not believe are material. If any of the risks actually occur, our business, financial condition and results of operations could be adversely affected. In that event, the market price of our Class A common stock could decline and you could lose part or all of your investment.

Risks Related to Our Business and Operations

Our success depends on general economic conditions, the health of the U.S. real estate industry, and risks generally incident to the ownership of residential real estate, and our business may be negatively impacted by economic and industry downturns, including seasonal and cyclical trends.

Our success is impacted, directly and indirectly, by general economic conditions, the health of the U.S. real estate industry, and risks generally incident to the ownership of residential real estate, many of which are beyond our control. Our business could be harmed by a number of factors that could impact the conditions of the U.S. real estate industry, including:

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As our revenue is driven by sales commissions and transaction fees, any slowdown or decrease in the total number of home sale transactions and related transactions executed by our agents for any of the above reasons could adversely affect our business, financial condition and results of operations. In addition, the residential real estate market historically has been seasonal, with greater demand from home buyers in the spring and summer, and typically weaker demand in late fall and winter, resulting in fluctuations in the quantity, speed and price of transactions on our platform. We expect our financial results and working capital requirements to reflect these seasonal variations over time, although our growth and market expansion have obscured the impact of seasonality in our historical financials to date.

If we do not provide our agents with solutions that they value, we may fail to attract new agents, retain current agents or increase agents’ utilization of our platform, which may adversely affect our business, financial condition and results of operations.

If we do not provide our agents with solutions that they value, we may fail to attract new agents, retain current agents or increase agents’ utilization of our platform. Our continued growth depends on our ability to attract highly-qualified agents in each of the markets we serve and, once they are on our platform, to retain them and to help them expand their businesses and utilize our solutions. In addition, to retain our agents and expand their businesses, we offer a wide range of solutions and adjacent services, which we continue to expand through investments and acquisitions. To enhance our agent recruiting efforts in the future, we may choose to offer increased incentives, which would increase our expenses but cannot be guaranteed to lead to growth. While we believe these investments help our agents succeed, there can be no guarantee that we will retain our agents across the markets we serve, nor that our investments will lead to increased transaction volume. As a result, the success of our business is substantially dependent upon the success and growth of our agents, and their ongoing usage of our platform.

We have experienced rapid growth since inception which may not be indicative of our future growth. We expect that, in the future, even if our revenue increases, our rate of growth may decline.

We have experienced rapid growth since our founding in 2012. We expect that, in the future, even if our revenue increases, our rate of growth may decline. In any event, we may not be able to grow as fast or at all if we do not, among other things:

To preserve our market position, we may expand organically or acquire brokerages in new markets more quickly than we would if we did not operate in such a highly competitive industry. Expanding into new markets can be challenging as some new markets have very distinctive characteristics, some of which may be unanticipated or unknown to us. These differences may result in greater recruitment and transaction costs that may result in those markets being less profitable for us than those that we currently operate in, and may slow the rate of our revenue growth.

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We have incurred net losses on an annual basis since we were founded, anticipate increasing our operating expenses in the future, and may not achieve or sustain profitability.

We incurred net losses of $388.0 million and $270.2 million for 2019 and 2020, respectively. We had an accumulated deficit of $825.1 million and $1.1 billion as of December 31, 2019 and 2020, respectively. We expect to continue to make future investments in developing and expanding our business, including investing in technology, recruitment and training, and pursuing strategic acquisitions. These investments may not result in increased revenue or growth in our business and may continue to result in net losses for our business. Additionally, we may incur significant losses in the future for a number of reasons, including:

Accordingly, we may not be able to achieve profitability and we may continue to incur significant losses in the future. Moreover, as we continue to invest in our business, we expect expenses to continue to increase in the near term. If we fail to manage our expenses or grow our revenue sufficiently to keep pace with our investments, our business may be harmed. In addition, as a public company, we will also incur significant legal, accounting and other expenses that we did not incur as a private company, which we anticipate will increase our general and administrative expenses on an absolute dollar basis.

Because we expect to incur significant costs and expenses to grow our business, and we may incur expenses prior to generating incremental revenue with respect thereto, we may find that these efforts are more expensive than we currently anticipate or that these efforts may not result in an increase in revenue to offset these expenses, which would further increase our losses.

If we do not innovate and continuously improve and expand our platform to create value for Compass agents and clients, our business could be negatively impacted.

Our success depends on our ability to continuously innovate and improve our platform to provide value to our agents, including developing our customer relationship management, marketing center, listing, search, comparative market analysis, and other products for agents. As a result, we must continually invest significant resources in research and development to improve the attractiveness and comprehensiveness of our platform. Our investments in our platform allow us to provide an expanded suite of technology offerings, such as customer relationship management and differentiated search functionality, which we believe separate us from our competitors. In addition, we have expanded the adjacent services we make available to certain of our agents, such as title and escrow services, through organic growth and selective acquisitions. As a result, we believe our platform is differentiated on the basis of both its technology and the breadth of our offerings. However, if we fail to continue to innovate and expand our platform, our agents may become dissatisfied and use competitors’

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offerings or leave our company, which could negatively impact our business, financial condition and results of operations.

The outbreak of the COVID-19 coronavirus pandemic has had a material effect on our business, and could continue to do so.

The extent of the impact of the COVID-19 coronavirus pandemic on our business and financial results will depend largely on future developments, including the duration and extent of the spread of COVID-19 within the United States, the prevalence of local, regional and national restrictions and regulatory orders that impact our business, and the impact on capital and financial markets and on the U.S. and global economies, all of which are highly uncertain and cannot be predicted. Our success depends on a high volume of residential real estate transactions throughout the markets in which we operate. This transaction volume affects all of the ways that we generate revenue, including generation of commissions from transactions executed by our agents and the number of transactions our title and escrow business closes. In the second quarter of 2020, the COVID-19 pandemic significantly and adversely affected residential real estate transaction volume. Since that time, in addition to general macroeconomic instability, many governmental authorities put in place limitations on in-person activities related to the sale of residential real estate, such as prohibitions or restrictions on in-home showings, inspections and appraisals, and availability or hours of local real property documentation searches and new recordings. Although these measures were largely lifted later in 2020, and our results of operations showed no adverse impact in the third and fourth quarters of 2020, there can be no assurance that such measures will not be implemented in the future or that the pandemic will not again adversely affect transaction volume. In addition, many of our employees are still required to work remotely, which may adversely affect our efficiency and morale.

While our business has recovered since the beginning of the pandemic, as the ongoing COVID-19 pandemic continues to impact the overall U.S. economy, we believe that consumer spending on real estate transactions may be adversely affected by a number of macroeconomic factors related to the COVID-19 pandemic, including but not limited to:

We operate in highly competitive markets and we may be unable to compete successfully against competitors.

We operate in a competitive and fragmented industry, and we expect competition to continue to increase. We believe that our ability to compete depends upon many factors both within and beyond our control, including the following:

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Our business model depends on our ability to continue to attract Compass agents and clients to our platform, and to enhance their engagement in a cost-effective manner. We face competition on a national level and in each of our markets from traditional real estate brokerage firms, some of which operate nationally and others that are limited to a specific region or regions. We also face competition from technology companies, including a growing number of Internet-based brokerages and others who operate with a variety of business models.

New entrants, particularly smaller companies offering point solutions, continue to join our market categories. However, our existing and potential competitors include technology companies and real estate brokerages that operate, or could develop, national and/or local businesses offering similar services, including real estate brokerage, title insurance and escrow services, to home buyers or sellers. Several of these technology companies which may enter our market categories could have significant competitive advantages, including better name recognition, greater resources, lower cost of funds and additional access to capital, and more types of offerings than we currently do. These companies may also have higher risk tolerances or different risk assessments than we do. In addition, these competitors could devote greater financial, technical and other resources than we have available to develop, grow or improve their businesses.

Monetary policies of the federal government and its agencies may have a material impact on our business, results of operations and financial condition.

Our business is significantly affected by the monetary policies of the federal government and its agencies. We are particularly affected by the policies of the Federal Reserve Board. These policies regulate the supply of money and credit in the United States and impact the real estate market through their effect on interest rates.

Increases in mortgage rates adversely impact housing affordability and we have in the past been and could in the future be negatively impacted by a rising interest rate environment. For example, a rise in mortgage rates could result in decreased sale transaction volume if potential home sellers choose to stay with their lower mortgage rate rather than sell their home and pay a higher mortgage rate with the purchase of another home or, similarly, if potential home buyers choose to rent rather than pay higher mortgage rates. Changes in the Federal Reserve Board’s policies, the interest rate environment, and the mortgage market are beyond our control, are difficult to predict, and could have an adverse impact on our business, results of operations and financial condition.

Any decrease in our gross commission income or the percentage of commissions that we collect may harm our business, results of operations and financial condition.

Our business model depends upon our agents’ success in generating gross commission income, which we collect and from which we pay to them net commissions. Real estate commission rates vary somewhat by market, and although historical rates have been relatively consistent over time across markets, there can be no assurance that prevailing market practice will not change in a given market, or across the industry, in the future. Customary commission rates could change due to market forces locally or industry-wide, as well as due to regulatory or legal changes in such markets, including as a result of litigation or enforcement actions. In addition, a result of a nation-wide settlement by the National Association of Realtors, new Multiple Listing Service, or MLS, rules will require disclosure to consumers of buyers’ agents commission rates for each MLS listing, which could cause commission rates to decrease over time. If any such decrease in commission rates were to occur, our business, financial condition, and results of operations may be adversely impacted.

In addition, there can be no assurance that we will be able to maintain the percentage of commission income that we collect from our agents for their use of our platform. If industry conditions change such that other platforms offer similar technologies to ours at a lower price or for free, we may be forced to reduce the percentage of commissions that we collect from our agents, and our business, financial condition, and results of operations may be adversely impacted.

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Our efforts to expand our business and offer additional adjacent services may not be successful.

As we have grown rapidly, we have expanded to offer additional technologies, products and services on our platform to agents. For example, in 2018 we began offering escrow services, and in 2020 we began offering title services and launched Compass Lens, our machine-learning home valuation product. We have invested significant resources in these and other new product and services offerings we expect to launch in the future. However, there can be no guarantee that we can continue to launch new products and services in a timely manner, or at all. Even if we do launch new products and services, if they are not utilized by our agents at the rate we expect, or at all, our business, financial condition, and results of operations may be adversely affected.

Our quarterly results and other operating metrics may fluctuate from quarter to quarter, which makes these metrics difficult to predict.

Our results of operations have fluctuated in the past and are likely to fluctuate significantly from quarter-to-quarter and year-to-year in the future for a variety of reasons, many of which are outside of our control and difficult to predict. As a result, you should not rely upon our historical results of operations as indicators of future performance. Numerous factors can influence our results of operations, including:

In addition, our results of operations are tied to certain key business metrics and non-GAAP financial measures that have fluctuated in the past and are likely to fluctuate in the future. As a result of such variability, our historical performance, including from recent quarters or years, may not be a meaningful indicator of future performance and period-to-period comparisons also may not be meaningful.

The loss of one or more of our key personnel, or our failure to attract and retain other highly qualified personnel in the future, could harm our business.

Our success depends upon the continued service of our senior management team, including, in particular, Robert Reffkin, our founder, Chairman and Chief Executive Officer. Our success also depends on our ability to manage

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effective transitions when management team members pursue other opportunities. In addition, our business depends on our ability to continue to attract, motivate and retain a large number of skilled employees across our company, including employees with public company experience. Furthermore, much of our key technology and processes are custom-made for our business by our personnel. The loss of key engineering, product development, operations, marketing, sales and support, finance and legal personnel could also adversely affect our ability to build on the efforts they have undertaken and to execute our business plan, and we may not be able to find adequate replacements. In addition, we currently do not have “key person” insurance on any of our employees.

We face intense competition for qualified individuals from numerous software and other technology companies. To attract and retain key personnel, we incur significant costs, including salaries and benefits and equity incentives. Even so, these measures may not be enough to attract and retain the personnel we require to operate our business effectively.

Actions by our agents or employees could adversely affect our reputation and subject us to liability.

Our success depends on the performance of our agents and employees. Although our agents are independent contractors, if they were to provide lower quality services to clients in a given market or overall, our image and reputation could be adversely affected. In addition, if our agents make fraudulent claims about properties they show, if their transactions lead to allegations of errors or omissions, or if they engage in self-dealing or do not disclose conflicts of interest to clients, we could also be subject to litigation and regulatory claims which, if adversely determined, could adversely affect our business, financial condition and results of operations. For example, if an agent were to recommend that a client use an escrow service in which the agent had an ownership interest but failed to disclose that interest to the client and to us, we could see our reputation tarnished and be held liable for the agent’s failure to disclose that interest under the Real Estate Settlement Proceeding Act. Similarly, we are subject to risks of loss or reputational harm in the event that any of our employees violate applicable laws, as such laws may harm our agents’ businesses or impact clients.

If we pursue acquisitions that are not successfully completed or integrated into our existing operations, our business, financial condition or results of operations may be adversely affected.

We continue to evaluate a wide array of potential strategic opportunities, including acquisitions and “acqui-hires” of businesses in new geographies. We sometimes engage in small acquisitions of businesses or agents to provide us with greater access to a given market. At times, we may look to larger acquisitions to provide us with additional technology or adjacent services to further enhance our platform and accelerate our ability to offer new products. For example, in 2020, we acquired Modus Technologies, Inc., a title and escrow company, that provided us with a platform to offer title services to our agents. Such strategic transactions that we enter into could be material to our financial condition and results of operations, and there can be no guarantee that they will result in the intended benefits to our business, and we may not successfully evaluate or utilize the acquired agents, businesses, products, or technology, or accurately forecast the financial impact of a strategic transaction. In addition, integrating an acquired company, business or technology is risky and may result in unforeseen operating difficulties and expenditures, particularly in new markets.

Our failure to address risks or other problems encountered in connection with our past or future strategic transactions could cause us to fail to realize the anticipated benefits of such strategic transactions, incur unanticipated liabilities, and harm our business, financial condition and results of operations. Strategic transactions may require us to issue additional equity securities, spend a substantial portion of our available cash, or incur debt or liabilities, amortize expenses related to intangible assets, or incur write-offs of goodwill, which could adversely affect our business, financial condition and results of operations and dilute the economic and voting rights of our then-current stockholders.

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A change in mortgage underwriting standards could reduce the ability of homebuyers to access the credit markets on reasonable terms, or at all.

During the past several years, many lenders have significantly tightened their underwriting standards and many alternative mortgage products have become less available in the marketplace. In addition, certain lenders added new criteria or approvals necessary to underwrite mortgages in response to the COVID-19 pandemic. Underwriting standards could be changed or tightened as a result of changes in regulations, including regulations enacted to increase guarantee fees of federally-insured mortgages. More stringent mortgage underwriting standards could adversely affect the ability and willingness of prospective buyers to finance home purchases or to sell their existing homes in order to purchase new homes, which would adversely affect our business, financial condition and results of operations.

We may not be able to maintain or establish relationships with multiple listing services and third-party listing services, which could limit the information we are able to provide to Compass agents and clients.

Our ability to attract agents to our platform and to appeal to clients depends upon providing a robust number of listings. To provide these listings, we maintain relationships with multiple listing services and other third-party listing providers and aggregators, as well as our agents themselves to include listing data in our services. Certain of our agreements with real estate listing providers are short-term agreements that may be terminated with limited notice. The loss of some of our existing relationships with listing providers, whether due to termination of agreements or otherwise, changes to our rights to use listing data, or an inability to continue to add new listing providers, may cause our listing data to omit information important to Compass agents or clients. This could negatively impact agent and client confidence in the listing data we provide and reduce our ability to attract and retain agents, which could harm our business, financial condition, and results of operations.

Cybersecurity incidents could disrupt business operations and result in the loss of critical and confidential information or litigation or claims arising from such incidents, any of which may adversely impact our reputation and business, financial condition and results of operations.

We face growing risks and costs related to cybersecurity threats to our operations, our data and agent and client data, including but not limited to:

Global cybersecurity threats can range from uncoordinated individual attempts to gain unauthorized access to information technology systems via viruses, ransomware and other malicious software, to phishing, or to advanced and targeted attempts to breach systems launched by individuals, organizations or sponsored nation state actors. These attacks may be directed at our business, our employees, agents, and clients and third-party service providers. An attack, threat or breach of one system can impact one or more other systems.

In the ordinary course of our business, we and our third-party service providers, our employees, agents and clients may collect, store and transmit sensitive data, including our proprietary business information and

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intellectual property and that of Compass agents and clients as well as personal information, sensitive financial information and other confidential information of our employees, agents and clients. Our agents’ use of our platform to access and store data presents us with uncertainties and risks, as they may accidentally or deliberately cause private information to be transmitted through unsecure channels which may lead to breaches or other leaks of such information.

Additionally, we increasingly rely on third-party data processing, storage providers, and critical infrastructure services, including cloud solution providers. The secure processing, maintenance and transmission of this information are critical to our operations and with respect to information collected and stored by our third-party service providers, we are reliant upon their security procedures, controls and adherence to our agreements. A breach or attack affecting one of our third-party service providers or partners could adversely impact our business even if we do not control the service that is attacked.

Moreover, the real estate industry is actively targeted by cybersecurity threat actors which attempt to conduct electronic fraudulent activity (such as phishing), security breaches and similar attacks directed at participants in real estate services transactions. In common with others in our industry, we manage and hold confidential personal information, including potentially sensitive personal information belonging to employees, agents or the clients or other individuals with whom they transact, in the operation of our online platform services. Accordingly, we have been and continue to be subject to a range of cyber-attacks, such as email-based phishing attacks on our agents. Historically, these attacks have not been material either individually or in the aggregate. We have enhanced our security measures in order to mitigate the risk of similar attacks in the future. However, there can be no assurance that our enhanced security measures, which are also partially dependent upon the security practices of our agents, will timely detect or prevent other cyber-attacks in the future. Cyber-attacks could give rise to the loss of significant amounts of agents’ data and other sensitive information. In addition, cyber-attacks could give rise to the disablement of our information technology systems used to service our agents. Such threats to our business may be wholly or partially beyond our control as our employees, agents and clients and other third-party service providers may use e-mail, computers, smartphones and other devices and systems that are outside of our security control environment. In addition, real estate transactions involve the transmission of funds by the buyers and sellers of real estate and consumers or other service providers selected by the consumer that may be the subject of direct cyber-attacks that result in the fraudulent diversion of funds, notwithstanding efforts we have taken to educate consumers with respect to these risks.

In addition, the increasing prevalence and sophistication of cyber-attacks as well as the evolution of cyber-attacks and other efforts to breach or disrupt our systems or those of our employees, agents, clients, and third-party service providers, has led and will likely continue to lead to increased costs to us with respect to identifying, protecting, detecting, responding, recovering, mitigating, insuring against and remediating these risks, as well as any related attempted or actual fraud.

Moreover, we are required to comply with growing regulations at the local, state and federal level in the United States, and in other countries where we have operations, that regulate cybersecurity, privacy and related matters, some of which impose steep fines and penalties for noncompliance. Any further expansion domestically or internationally will necessarily subject us to additional, and possibly more stringent, regulations and penalty structures.

While we, our employees, our agents, and clients have experienced and expect to continue to experience these types of threats and incidents, none of them to date has been material to our business. Although we employ measures to identify, protect, detect, address and mitigate these threats (including access controls, data encryption, penetration testing, vulnerability assessments, and maintenance of backup and protective systems), and conduct diligence on the security measures employed by key third-party service providers, cybersecurity incidents, depending on their nature and scope, could potentially result in harm to confidentiality, integrity, and availability of critical systems, data and confidential or proprietary information (our own or that of third parties, including personal information and financial information) and the disruption of business operations.

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The potential consequences of a material cybersecurity incident include regulatory violations of applicable U.S. and international privacy and other laws, reputational damage, loss of market value, litigation with third parties (which could result in our exposure to material civil or criminal liability), diminution in the value of the products and services we provide to our agents and clients, and increased cybersecurity protection and remediation costs (that may include liability for stolen assets or information), any of which in turn could have a material adverse effect on our competitiveness and business, financial condition and results of operations. We cannot be certain that our insurance coverage will be adequate for data security liabilities actually incurred, will cover any indemnification claims against us relating to any incident, will continue to be available to us on economically reasonable terms, or at all, or that any insurer will not deny coverage as to any future claim. The successful assertion of one or more large claims against us that exceed available insurance coverage, or the occurrence of changes in our insurance policies, including premium increases or the imposition of large deductible or co-insurance requirements, could adversely affect our reputation, business, financial condition and results of operations.

We could be subject to losses if banks do not honor our escrow and trust deposits.

We act as escrow agents for certain Compass clients. As an escrow agent, we receive money from clients to hold until certain conditions are satisfied. Upon the satisfaction of those conditions (in most cases as confirmed by such clients, lenders, their respective agents or other third parties), we release the money to the appropriate party. We deposit this money with various depository banks and while these deposits are not assets of our business (and therefore excluded from our consolidated balance sheet), we remain contingently liable for the disposition of these deposits. These escrow and trust deposits totaled $24.7 million and $46.1 million as of December 31, 2019 and 2020, respectively. A significant amount of these deposits held by depository banks may be in excess of the federal deposit insurance limit. If any of our depository banks were to become unable to honor any portion of our deposits, clients could seek to hold us responsible for such amounts and, if the clients prevailed in their claims, we could be subject to significant losses.

A significant adoption by consumers of alternatives to full-service agents could have an adverse effect on our business, financial condition and results of operations.

A significant change in consumer sales that eliminates or minimizes the role of the agent in the real estate transaction process could have an adverse effect on our business, financial condition and results of operations. These options may include direct-buyer companies (also called iBuyers) that purchase directly from the seller at below-market rates in exchange for speed and convenience and then resell them shortly thereafter at market prices, and discounters who reduce the role of the agent in order to offer sellers a low commission or a flat fee while giving rebates to buyers. Consumer preferences regarding buying or selling houses and financing their home purchase will determine if these models reduce or replace the long-standing preference for full-service agents.

We plan to expand into international markets, which will expose us to significant risks.

A component of our future growth strategy involves the further expansion of our operations and establishment of an agent base internationally. We are continuing to adapt and develop strategies to address international markets, but there is no guarantee that such efforts will have the desired effect. For example, we may need to establish relationships with new partners or acquire businesses in order to expand into certain countries, and if we fail to identify, establish, and maintain such relationships or successfully identify and acquire businesses, we may be unable to execute on our expansion plans. Although we maintain engineering and related operations in India, none of our agents are located outside of the United States and we currently do not engage in any non-U.S. real property transactions, except for de-minimis transactions through partnerships with local non-U.S. brokerages. We expect that our international activities will grow in the future as we pursue opportunities in international markets, which may require significant dedication of management attention and will require significant upfront investment.

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Our current and future international business and operations involve a variety of risks, including the need to adapt and localize our platform for specific countries; unexpected changes in trade relations, regulations, or laws; new, evolving, and more stringent regulations relating to privacy and data security and the unauthorized use of, or access to, commercial and personal information, particularly in Europe and Canada; difficulties in managing a business in new markets with diverse cultures, languages, customs, legal systems, alternative dispute systems, and regulatory systems; increased travel, real estate, infrastructure, and legal compliance costs associated with international operations; and regulations, adverse tax burdens, and foreign exchange controls that could make it difficult to repatriate earnings and cash.

If we invest substantial time and resources to establish international operations and are unable to do so successfully or in a timely manner, our business, financial condition, and results of operations may be adversely impacted.

Our management team will be required to evaluate the effectiveness of our internal control over financial reporting. If we are unable to maintain effective internal control over financial reporting, investors may lose confidence in the accuracy of our financial reports.

As a public company, we will be required to maintain internal control over financial reporting and to report any material weaknesses in such internal control. Section 404 of the Sarbanes-Oxley Act requires that we evaluate and determine the effectiveness of our internal control over financial reporting. Our independent registered public accounting firm will be required to deliver an attestation report on the effectiveness of our disclosure controls and internal control over financial reporting. An adverse report may be issued in the event our independent registered public accounting firm is not satisfied with the level at which our controls are documented, designed or operating.

When evaluating our internal control over financial reporting, we may identify material weaknesses that we may not be able to remediate in time to meet the applicable deadline imposed upon us for compliance with the requirements of Section 404. If we identify any material weaknesses in our internal control over financial reporting or are unable to comply with the requirements of Section 404 in a timely manner or assert that our internal control over financial reporting is ineffective, or if our independent registered public accounting firm is unable to express an opinion as to the effectiveness of our internal control over financial reporting, we could fail to meet our reporting obligations or be required to restate our financial statements for prior periods.

In addition, our internal control over financial reporting will not prevent or detect all errors and fraud. Because of the inherent limitations in all control systems, no evaluation can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud will be detected.

If there are material weaknesses or failures in our ability to meet any of the requirements related to the maintenance and reporting of our internal control, investors may lose confidence in the accuracy and completeness of our financial reports and that could cause the price of our Class A common stock to decline. In addition, we could become subject to investigations by the applicable stock exchange, the SEC or other regulatory authorities, which could require additional management attention and which could adversely affect our business.

We have identified material weaknesses in our internal controls over financial reporting and if our remediation of such material weaknesses is not effective, or if we fail to develop and maintain an effective system of disclosure controls and internal controls over financial reporting, our ability to produce timely and accurate financial statements or comply with applicable laws and regulations could be impaired.

Recently, in connection with the preparation of our consolidated financial statements as of December 31, 2018, 2019 and 2020 and for the years then ended, we identified material weaknesses in our internal controls over financial reporting. A material weakness is a deficiency, or combination of deficiencies, in internal controls over

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financial reporting, such that there is a reasonable possibility that a material misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis. We did not design or maintain an effective control environment as we lacked sufficient oversight of activities related to our internal control over financial reporting due to a lack of an appropriate level of experience and training commensurate with public company requirements. This material weakness resulted in our identification of the following additional material weaknesses:

These IT deficiencies, when aggregated, could impact effective segregation of duties as well as the effectiveness of IT-dependent controls that could result in misstatements potentially impacting all financial statement accounts and disclosures that would not be prevented or detected. Accordingly, our management has determined these deficiencies in the aggregate constitute a material weakness.

None of the control deficiencies described above resulted in a material misstatement to the our annual consolidated financial statements. However, each of the material weaknesses described above could result in a misstatement of one or more account balances or disclosures that would result in a material misstatement to the annual or interim consolidated financial statements that would not be prevented or detected, and, accordingly, we determined that these control deficiencies constitute material weaknesses.

To address our material weaknesses, we have added personnel and engaged an external advisor to assist with evaluating and documenting the design and operating effectiveness of our internal controls over financial reporting and assisting with the remediation of deficiencies, including implementing new controls and processes. We intend to continue to take steps to remediate the material weaknesses described above through hiring additional personnel with public company experience, and further evolving our accounting and business processes related to internal controls over financial reporting. We will not be able to fully remediate these material weaknesses until these steps have been completed and have been operating effectively for a sufficient period of time.

Furthermore, we cannot assure you that the measures we have taken to date, and actions we may take in the future, will be sufficient to remediate the control deficiencies that led to our material weaknesses in our internal controls over financial reporting or that they will prevent or avoid potential future material weaknesses. Our current controls and any new controls that we develop may become inadequate because of changes in conditions in our business. Further, weaknesses in our disclosure controls and internal controls over financial reporting may be discovered in the future. Any failure to develop or maintain effective controls or any difficulties encountered in their implementation or improvement could harm our operating results or cause us to fail to meet our reporting obligations and may result in a restatement of our annual or interim financial statements.

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Neither our management nor our independent registered public accounting firm has performed an evaluation of our internal controls over financial reporting in accordance with the SEC rules because no such evaluation has been required. Our independent registered public accounting firm is not required to formally attest to the effectiveness of our internal controls over financial reporting until the filing of our second Annual Report on Form 10-K following this offering. At such time, our independent registered public accounting firm may issue a report that is adverse in the event it is not satisfied with the level at which our internal controls over financial reporting is documented, designed, or operating. Any failure to implement and maintain effective internal controls over financial reporting also could adversely affect the results of periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the effectiveness of our internal controls over financial reporting that we will eventually be required to include in our periodic reports that are filed with the SEC. Ineffective disclosure controls and procedures and internal controls over financial reporting could also cause investors to lose confidence in our reported financial and other information, which would likely have a negative effect on the trading price of our Class A common stock. In addition, if we are unable to continue to meet these requirements, we may not be able to remain listed on the New York Stock Exchange.

Covenants in our current and future debt agreements may restrict our borrowing capacity or operating activities and adversely affect our financial condition.

Our Revolving Credit and Security Agreement with Barclays Bank PLC, or Concierge Facility, contains, and any future agreement relating to additional indebtedness which we may enter into may contain, various performance covenants. The Concierge Facility, which is secured by, and can be used to borrow against, eligible receivables and cash related to a part of our Compass Concierge program, contains affirmative covenants, such as financial statement reporting requirements, as well as customary covenants that restrict the ability of certain of our subsidiaries to, among other things, incur additional indebtedness, sell certain receivables, declare dividends or make certain distributions, and undergo a merger or consolidation or certain other transactions. In certain cases, we may be required to repay all of the relevant debt immediately; the occurrence of such an event may have an adverse impact on our financial condition and results of operations.

Our ability to use our net operating losses, or NOLs, and other tax attributes may be limited.

As of December 31, 2020, we had approximately $882.5 million of federal and $870.7 million of state NOLs available to offset future taxable income. Certain of our federal NOLs and our state NOLs will begin to expire in 2032. The realization of these net operating losses depends on our future taxable income and there is a risk that these carryforwards could expire unused, which could materially affect our operating results. In addition, under Sections 382 and 383 of the U.S. Internal Revenue Code of 1986, as amended, or the Code, a corporation that undergoes an “ownership change,” generally defined as a greater than 50% change by value in its equity ownership over a three-year period is subject to limitations on its ability to utilize its pre-change NOLs and other tax attributes such as research tax credits to offset future taxable income. We have not performed an analysis to determine whether our past issuances of stock and other changes in our stock ownership may have resulted in one or more ownership changes. If it is determined that we have in the past experienced an ownership change, or if we undergo one or more ownership changes as a result of this offering or future transactions in our stock, then our ability to utilize NOLs and other pre-change tax attributes could be limited by Sections 382 and 383 of the Code. Future changes in our stock ownership, many of which are outside of our control, could result in an ownership change under Sections 382 or 383 of the Code. Furthermore, our ability to utilize NOLs of companies that we may acquire in the future may be subject to limitations. For these reasons, we may not be able to utilize a material portion of the NOLs, even if we were to achieve profitability.

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We rely on assumptions, estimates, and business data to calculate our key performance indicators and other business metrics, and real or perceived inaccuracies in these metrics may harm our reputation and negatively affect our business.

Certain of our performance metrics are calculated using third party applications or internal company data that have not been independently verified. While these numbers are based on what we believe to be reasonable calculations for the applicable period of measurement, there are inherent challenges in measuring such information. In addition, our measure of certain metrics may differ from estimates published by third parties or from similarly-titled metrics of our competitors due to differences in methodology and as a result our results may not be comparable to our competitors.

The estimates of market opportunity and forecasts of market growth included in this prospectus may prove to be inaccurate, and even if the market in which we compete achieves the forecasted growth, our business could fail to grow at similar rates, if at all.

Market opportunity estimates and growth forecasts included in this prospectus are subject to significant uncertainty and are based on assumptions and estimates that may not prove to be accurate. The variables that go into the calculation of our market opportunity are subject to change over time, and there is no guarantee that our market opportunity estimates will reflect actual revenue that we will generate from our platform in the future. Any expansion in our markets depends on a number of factors, including the cost, performance, and perceived value associated with our platform and the products and services of our competitors. Even if the markets in which we compete achieve the forecasted growth, our business could fail to grow at similar rates, if at all.

Changes in accounting standards, subjective assumptions and estimates used by management related to complex accounting matters could have an adverse effect on our business, financial condition and results of operations.

Generally accepted accounting principles in the United States of America, or U.S. GAAP, and related accounting pronouncements, implementation guidance and interpretations with regard to a wide range of matters, such as revenue recognition, lease accounting, stock-based compensation, asset impairments, valuation reserves, income taxes and the fair value and associated useful lives of acquired long-lived assets, intangible assets and goodwill, are highly complex and involve many subjective assumptions, estimates and judgments made by management. Changes in these rules or their interpretations or changes in underlying assumptions, estimates or judgments made by management could significantly change our reported results and adversely impact our business, financial condition and results of operations.

Our platform is highly complex and our software may contain undetected errors.

Our platform is highly complex and the software and code underlying our platform is interconnected and may contain undetected errors, bugs, or vulnerabilities, some of which may only be discovered after the code or software has been released. We release or update software code regularly and this practice may result in the more frequent introduction of errors, bugs, or vulnerabilities into the software underlying our platform, which can impact the agent and client experience on our platform. Additionally, due to the interoperative nature of the software and the systems underlying our platform, modifications to certain parts of our code, including changes to our mobile app, website, systems or third party application programming interfaces on which our platform rely, could have an unintended impact on other sections of our software or system, which may result in errors, bugs, or vulnerabilities to our platform. Any errors, bugs, or vulnerabilities discovered in our code after release could result in damage to our reputation, loss of our agents or clients, loss of revenue or liability for damages, any of which could adversely affect our growth prospects and our business, financial condition and results of operations.

Furthermore, our development and testing processes may not detect errors, bugs, or vulnerabilities in our technology offerings prior to their implementation as they may not be identified or detected at the time of

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implementation. Any inefficiencies, errors, bugs, system misconfiguration, technical problems or vulnerabilities arising in our technology offerings after their release could reduce the quality of our products, system performance, or interfere with our agents’ access to and use of our technology and offerings.

Our management team has limited experience in operating a public company.

Our management team has limited experience managing a publicly traded company, interacting with public company investors, and complying with the increasingly complex laws pertaining to public companies. Our management team may not successfully or efficiently manage our transition to being a public company subject to significant regulatory oversight and reporting obligations under the federal securities laws and the continuous scrutiny of securities analysts and investors. These new obligations and constituents will require significant attention from our senior management and could divert their attention away from the day-to-day management of our business, which could adversely affect our business, financial condition, and results of operations.

Our company culture has contributed to our success, and if we cannot maintain this culture as we grow, our business could be harmed.

We believe that our company culture, which promotes innovation and entrepreneurship, has been critical to our success. We are guided by our principles including dreaming big, moving fast, learning from reality and being solutions-driven. However, as we grow, we may face challenges that may affect our ability to sustain our culture, including:

In addition, we have at times undertaken workforce reductions to better align our operations with our strategic priorities, to manage our cost structure or in connection with acquisitions. For example, in response to the early effects of the COVID-19 pandemic on the industry, including our business, we took certain cost-cutting measures, including remote work, reductions-in-force and certain salary reductions. Although the salary reductions have been reversed and we have made our employees whole through additional equity awards, there can be no assurance that these actions will not adversely affect employee morale, our culture and our ability to attract and retain employees. If we are not able to maintain our culture, our business, financial condition and results of operations could be adversely affected.

Our ability to recruit agents depends on the strength of our reputation, and adverse media coverage could harm our business.

We believe that we have developed a strong reputation for helping agents succeed on the basis of our rapid growth in recent years, the technological sophistication of our platform, and our ability to offer a wide range of high-quality services. General awareness and the perceived quality and differentiation of our platform are

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important aspects of our efforts to attract and retain agents. In addition, our actions and growth are frequently reported on in national and regional trade publications and other media, and media coverage of our business can be critical, and may not be fair or accurate. Our reputation may be harmed due to adverse media coverage related to our actions, the actions of our agents, or other unforeseeable events, which may cause our ability to attract and retain agents may suffer. If we are unable to maintain or enhance agent awareness of our business, or if our reputation is damaged in a given market or nationally, our business, financial condition and results of operations could be harmed.

Some of our potential losses may not be covered by insurance. We may not be able to obtain or maintain adequate insurance coverage.

We maintain insurance to cover costs and losses from certain risk exposures in the ordinary course of our operations, but our insurance does not cover all of the costs and losses from all events. We are responsible for certain retentions and deductibles that vary by policy, and we may suffer losses that exceed our insurance coverage limits by a material amount. We may also incur costs or suffer losses arising from events against which we have no insurance coverage. In addition, large-scale market trends or the occurrence of adverse events in our business may raise our cost of procuring insurance or limit the amount or type of insurance we are able to secure. We may not be able to maintain our current coverage, or obtain new coverage in the future; on commercially reasonable terms or at all. Incurring uninsured or underinsured costs or losses could harm our business.

We process, store and use personal information and other data, which subjects us to governmental regulation and other legal obligations related to privacy, and violation of these privacy obligations could result in a claim for damages, regulatory action, loss of business, or unfavorable publicity.

We receive, store and process personal information and other employee, agent and agents’ client information. There are numerous federal and state laws, as well as regulations and industry guidelines, regarding privacy and the storing, use, processing, and disclosure and protection of personal information, which are continually evolving, subject to differing interpretations, and may be inconsistent between state and federal governments and across countries or conflict with other rules. Additionally, laws, regulations, and standards covering marketing and advertising activities conducted by telephone, email, mobile devices, and the internet, may be applicable to our business, such as the Telephone Consumer Protection Act, or the TCPA (as implemented by the Telemarketing Sales Rule), the CAN-SPAM Act, and similar state consumer protection laws. We seek to comply with industry standards and are subject to the terms of our own privacy policies and privacy-related obligations to third parties. We strive to comply with all applicable laws, policies, legal obligations and industry codes of conduct relating to privacy and data security protection to the extent possible. However, it is possible that these obligations may be interpreted and applied in a manner that is inconsistent from one jurisdiction to another and may conflict with other rules or regulations, making enforcement, and thus compliance requirements, ambiguous, uncertain, and potentially inconsistent. Any failure or perceived failure by us to comply with our privacy policies, privacy-related obligations to agents, clients or other third parties, or our privacy-related legal obligations, or any compromise of security that results in the unauthorized access to or unintended release of personally identifiable information or other agent or client data, may result in governmental enforcement actions, litigation, or public statements against us by consumer advocacy groups or others. Any of these events could cause us to incur significant costs in investigating and defending such claims and, if found liable, pay significant damages. Further, these proceedings and any subsequent adverse outcomes may cause our agents and clients to lose trust in us, which could have a materially adverse effect on our reputation and business.

Any significant change to applicable laws, regulations or industry practices regarding the use or disclosure of personal information, or regarding the manner in which the express or implied consent of agents and clients for the use and disclosure of personal information is obtained, could require us to modify our products and features, possibly in a material manner and subject to increased compliance costs, which may limit our ability to develop new products and features that make use of the personal information that clients voluntarily share. For example, California recently enacted legislation, the California Consumer Privacy Act, or CCPA, that became operative on

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January 1, 2020 and became enforceable by the California Attorney General on July 1, 2020, along with related regulations which came into force on August 14, 2020. The CCPA gives California residents expanded rights related to their personal information, including the right to access and delete their personal information, and receive detailed information about how their personal information is used and shared and increases the privacy and security obligations of businesses handling personal data. The CCPA is enforceable by the California Attorney General and there is also a private right of action relating to certain data security incidents. The CCPA provides for civil penalties for violations, which could result in statutory penalties of up to $2,500 per violation, or up to $7,500 per violation if the violation is intentional. We cannot yet fully predict the impact of the CCPA or subsequent guidance on our business or operations, but it may require us to further modify our data processing practices and policies and to incur substantial costs and expenses in an effort to comply. Decreased availability and increased costs of information could adversely affect our ability to meet our agents’ requirements and could have an adverse effect on our business, results of operations, and financial condition.

Additionally, a recent California ballot initiative, the California Privacy Rights Act, or CPRA, imposes additional data protection obligations on companies doing business in California, including additional consumer rights processes and opt-outs for certain uses of sensitive data and sharing of personal data starting in January 2023. As voted into law by California residents in November 2020, the CPRA could have an adverse effect on our business, results of operations, and financial condition. The effects of the CCPA and CPRA are potentially significant and may require us to modify our data collection or processing practices and policies and to incur substantial costs and expenses in an effort to comply and increase our potential exposure to regulatory enforcement and/or litigation. Any of the foregoing could materially adversely affect our business, results of operations and financial condition.

Our agents operate as independent contractors and are responsible for their own data privacy compliance. However, we provide training and our platform provides tools and security controls to assist our agents with their data privacy compliance to the extent they store relevant data on our platform. However, if an agent on our platform were to be subject to a claim for breach of data privacy laws, we could be found liable for their claims due to our relationship, which can require us to take more costly data security and compliance measures or to develop more complex systems.

Our fraud detection processes and information security systems may not successfully detect all fraudulent activity by third parties aimed at our employees or agents, which could adversely affect our reputation and business results.

Third-party cybersecurity threat actors have attempted in the past, and may attempt in the future, to conduct fraudulent activity by engaging with Compass agents or clients, including in our title insurance and escrow business. We make a large number of wire transfers in connection with loan and real estate closings and process sensitive personal data in connection with these transactions. Although we have sophisticated fraud detection processes and have taken other measures to continuously improve controls to identify fraudulent activity on our mobile app, website and internal systems, we may not be able to detect and prevent all such activity. Persistent or pervasive fraudulent activity may cause agents or clients to lose trust in us and decrease or terminate their usage of our platform, which could materially harm our operations, business, results, and financial condition.

We utilize a number of third-party service providers to deliver web and mobile content and any disruption or delays in service from these third-party providers could adversely impact the delivery of our platform.

We primarily rely on Amazon Web Services in the U.S. to host our cloud computing and storage needs. We do not own, control, or operate our cloud computing physical infrastructure or their data center providers. Our systems and operations are vulnerable to damage or interruption from fire, flood, power loss, telecommunications failure, terrorist attacks, acts of war, electronic and physical break-ins, system vulnerabilities, earthquakes and similar events at the sites of such providers. The occurrence of any of the foregoing events could result in

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damage to systems and hardware or could cause them to fail completely, and our insurance may not cover such events or may be insufficient to compensate us for losses that may occur.

A failure of these systems at one or multiple sites could result in reduced capabilities or a total failure of our systems, which could cause our mobile app or website to be inaccessible, impairing our agents ability to use our platform. Problems faced by our third-party cloud service providers with their telecommunications network providers with which they contract or with the systems by which they allocate capacity among their customers, including us, could adversely affect the experience of our agents. Our third-party cloud service providers could decide to close their facilities without adequate notice resulting in loss of service and negative effects in our systems. Any financial difficulties, such as bankruptcy reorganization, faced by our third-party web-hosting providers or any of the service providers with whom they contract may have negative effects on our business, the nature and extent of which are difficult to predict. If our third-party web-hosting providers are unable to keep up with our growing needs for capacity, Compass’ agents, clients and business could be harmed. In addition, if distribution channels for our mobile app experience disruptions, such disruptions could adversely affect the ability of agents and potential clients to access or update our mobile app, which could harm our business.

We do not carry business interruption insurance sufficient to compensate us for the potentially significant losses, including the potential harm to the future growth of our business, which may result from interruptions in our service as a result of system failures. Any errors, defects, disruptions or other performance problems with our services could harm our business, results of operations, and financial condition.

Third parties with whom we do business may be unable to honor their obligations to us or their actions may put us at risk.

We rely on third parties for various aspects of our business, including technology collaborations, advertising partners and development services agreements. Although we require these parties to sign our data security addendum, their actions may put our business, reputation and brand at risk. In many cases, third parties may be given access to sensitive and proprietary information or personal data in order to provide services and support to our teams or agents, and they may misappropriate and engage in unauthorized use of our information, technology or agents’ or clients’ data. In addition, the failure of these third parties to provide adequate services and technologies, or the failure of the third parties to adequately maintain or update their services and technologies, could result in a disruption to our business operations. Further, disruptions in the mobile application industry, financial markets, economic downturns, poor business decisions, or reputational harm may adversely affect our partners and may increase their propensity to engage in fraud or otherwise illegal activity which could harm our business reputation, and they may not be able to continue honoring their obligations to us, or we may cease our arrangements with them. Alternative arrangements and services may not be available to us on commercially reasonable terms or at all and we may experience business interruptions upon a transition to an alternative partner or vendor. If we lose one or more business relationships, or experience a degradation of services, our business could be harmed and our financial results could be adversely affected.

Investors’ expectations of our performance relating to environmental, social and governance factors may impose additional costs and expose us to new risks.

There is an increasing focus from certain investors, employees and other stakeholders concerning corporate responsibility, specifically related to environmental, social and governance factors. Some investors may use these factors to guide their investment strategies and, in some cases, may choose not to invest in us if they believe our policies relating to corporate responsibility are inadequate. Third-party providers of corporate responsibility ratings and reports on companies have increased to meet growing investor demand for measurement of corporate responsibility performance. The criteria by which companies’ corporate responsibility practices are assessed may change, which could result in greater expectations of us and cause us to undertake costly initiatives to satisfy such new criteria. If we elect not to or are unable to satisfy such new criteria, investors may conclude that our policies with respect to corporate responsibility are inadequate. We may face reputational damage in the event that our corporate responsibility procedures or standards do not meet the standards set by various constituencies.

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Furthermore, if our competitors’ corporate responsibility performance is perceived to be greater than ours, potential or current investors may elect to invest with our competitors instead. In addition, in the event that we communicate certain initiatives and goals regarding environmental, social and governance matters, we could fail, or be perceived to fail, in our achievement of such initiatives or goals, or we could be criticized for the scope of such initiatives or goals. If we fail to satisfy the expectations of investors, employees and other stakeholders or our initiatives are not executed as planned, our reputation and financial results could be materially and adversely affected.

Catastrophic events may disrupt our business.

Natural disasters or other catastrophic events may cause damage or disruption to our operations, real estate commerce, and the global economy, and thus could harm our business. For example, the COVID-19 pandemic and the reactions of governments, markets, and the general public to the COVID-19 pandemic, has resulted in and may continue to have a number of consequences for our business and results of operations, the ultimate magnitude of which is difficult to predict. Additionally, properties located in the markets in which we operate, including New York, Northern California, Southern California and South Florida, are more susceptible to certain natural hazards (such as fires, hurricanes, earthquakes, floods, or hail) than properties in other parts of the country.

In the event of a major fire, hurricane, earthquake, windstorm, tornado, flood or catastrophic event such as pandemic, flood, power loss, telecommunications failure, cyber-attack, war, or terrorist attack, we may be unable to continue our operations and may endure reputational harm, delays in developing our platform and solutions, breaches of data security and loss of critical data, all of which could harm our business, results of operations and financial condition. Closures of local recording offices or other governmental offices in charge of real property records, including tax or lien-related records, would adversely affect our ability to conduct operations in the affected geographies. Any of these delays will likely result in extended hold times, increased costs, and value impairment. Also, the insurance we maintain would likely not be adequate to cover our losses resulting from disasters or other business interruptions.

As we grow our business, the need for business continuity planning and disaster recovery plans will increase in significance. If we are unable to develop adequate plans to ensure that our business functions continue to operate during and after a disaster, and successfully execute on those plans in the event of a disaster or emergency, our business and reputation would be harmed.

Risks Related to Our Legal and Regulatory Environment

We are periodically subject to claims, lawsuits, government investigations and other proceedings that may adversely affect our business, financial condition and results of operations.

We may be subject to claims, lawsuits, arbitration proceedings, government investigations and other legal and regulatory proceedings in the ordinary course of business, including those involving labor and employment, anti-discrimination, commercial disputes, competition, professional liability and consumer complaints, intellectual property disputes, compliance with regulatory requirements, securities laws and other matters, and we may become subject to additional types of claims, lawsuits, government investigations and legal or regulatory proceedings as our business grows and as we deploy new offerings, including proceedings related to our acquisitions, securities issuances or business practices.

The results of any such claims, lawsuits, arbitration proceedings, government investigations or other legal or regulatory proceedings cannot be predicted with certainty. Any claims against us or investigations involving us, whether meritorious or not, could be time-consuming, result in significant defense and compliance costs, be harmful to our reputation, require significant management attention and divert significant resources. Determining reserves for our pending litigation is a complex and fact-intensive process that requires significant subjective

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judgment and speculation. It is possible that a resolution of one or more such proceedings could result in substantial damages, settlement costs, fines and penalties that could adversely affect our business, financial condition and results of operations. These proceedings could also result in harm to our reputation and brand, sanctions, consent decrees, injunctions or other orders requiring a change in our business practices. Any of these consequences could adversely affect our business, financial condition and results of operations. Furthermore, under certain circumstances, we have contractual and other legal obligations to indemnify and to incur legal expenses on behalf of our business and commercial partners and current and former directors, officers and employees.

As an example of a current litigation matter, we are party to a lawsuit involving plaintiff Avi Dorfman, who seeks compensation for certain services and other contributions allegedly provided in our formation; if Mr. Dorfman prevails, we may be forced to issue equity securities to him, which could cause dilution to our current investors and to purchasers in this offering. See the section titled “Business—Legal Proceedings” for additional information.

In addition, since 2016 we have included mandatory arbitration provisions in our agreements with each of our agents, and since 2018 we have added mandatory arbitration provisions in our agreements with our employees. The provisions are intended to cover all disputes between us and our employees and agents, if permitted by law. These provisions are intended to streamline the litigation process for all parties involved, as arbitration can in some cases be faster and less costly than litigating disputes in state or federal court. However, arbitration may become more costly for us or the volume of arbitration may increase and become burdensome, and the use of arbitration provisions may subject us to certain risks to our reputation and brand, as these provisions have been the subject of increasing public scrutiny. In addition, these mandatory arbitration provisions are intended to cover claims related to our agent equity program, if permitted by law, though it is currently unclear whether these such provisions are enforceable with respect to claims arising under the U.S. federal securities laws. In order to minimize these risks to our reputation and brand, we may limit our use of arbitration provisions or be required to do so in a legal or regulatory proceeding, either of which could increase our litigation costs and exposure.

Further, with the potential for conflicting rules regarding the scope and enforceability of arbitration on a state-by-state basis, as well as between state and federal law, there is a risk that some or all of our arbitration provisions could be subject to challenge or may need to be revised to exempt certain categories of protection. If our arbitration agreements were found to be unenforceable, in whole or in part, or specific claims are required to be exempted from arbitration, we could experience an increase in our costs to litigate disputes and the time involved in resolving such disputes, and we could face increased exposure to potentially costly lawsuits, each of which could adversely affect our business, financial condition and results of operations.

Our agents are independent contractors, and if federal or state law mandates that they be classified as employees, our business, financial condition, and results of operations would be adversely impacted.

We recruit agents as independent contractors and are subject to federal regulations and applicable state laws and guidelines regarding independent contractor classifications. These regulations, laws and guidelines are subject to judicial and agency interpretation. Moreover, such regulations, laws, guidelines and interpretations continue to evolve. California changed its classification laws effective January 1, 2020 (with a specific carveout for real estate agents) and the United States Congress and certain states have introduced proposed changes to existing classification law; additionally, the Biden administration may make additional changes to applicable laws. If our business is found to have misclassified employees as independent contractors, we could face penalties and have additional exposure under laws regarding employee classification, federal and state tax, workers’ compensation, unemployment benefits, compensation, overtime, minimum wage, and meal and rest periods. Further, if legal standards for classification of our agents as independent contractors change or appear to be changing, it may be necessary to modify the compensation structure for our agents, including by paying additional compensation or reimbursing expenses. We face claims from time to time alleging misclassification of status and it could be determined that the independent contractor classification is inapplicable to any of our agents. We could also incur

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substantial costs, penalties and damages due to any such future challenges by current or former professionals to our classification or compensation practices, including with respect to their status as exempt or non-exempt employees. Any of these outcomes could result in substantial costs to us, could significantly impair our financial condition and our ability to conduct our business as currently contemplated, and could damage our reputation and impair our ability to attract agents.

We are subject to a variety of federal and state laws, many of which are unsettled and still developing, and certain of our businesses are highly regulated. Any failure to comply with such regulations or any changes in such regulations could adversely affect our business.

Our real estate brokerage business, our title and escrow business and the businesses of our agents must comply with RESPA and a variety of similar state regulations. RESPA and comparable state statutes prohibit providing or receiving payments, or other things of value, for the referral of business to escrow service providers in connection with the closing of real estate transactions involving federally-backed mortgages. Such laws may to some extent impose limitations on arrangements involving our real estate brokerage, escrow services, and title agency. RESPA and related regulations do, however, contain a number of provisions that allow for payments or fee splits between providers if certain requirements are met, including fee splits between title underwriters and agents, brokers and agents, and market-based fees for the provision of goods or services and marketing arrangements. In addition, RESPA allows for referrals to affiliated entities, when specific requirements have been met. We rely on these provisions in conducting our business activities and believe our arrangements comply with RESPA. However, RESPA compliance may become a greater challenge under certain administrations for most industry participants offering escrow services, including brokerages, because of expansive interpretations of RESPA or similar state statutes by certain courts and regulators. Permissible activities under state statutes similar to RESPA may be interpreted more narrowly and enforcement proceedings of those statutes by state regulatory authorities may also be aggressively pursued. RESPA also has been invoked by plaintiffs in private litigation for various purposes and some state authorities have also asserted enforcement rights. In addition, title and escrow services are highly regulated. Our title agency services business also is subject to regulation by insurance and other regulatory authorities in each state in which we provide title insurance. State regulations may impede or impose burdensome conditions on our ability to take actions that we may want to take to enhance our results of operations.

We are also, to a lesser extent, subject to various other rules and regulations such as “controlled business” statutes, which impose limitations on affiliations between providers of title and escrow services on the one hand, and real estate brokers, mortgage lenders and other real estate service providers on the other hand, or similar laws or regulations that would limit or restrict transactions among affiliates in a manner that would limit or restrict collaboration among our businesses.

For certain licenses, we are required to designate individual licensed brokers of record, qualified individuals and control persons. Certain licensed entities also are subject to routine examination and monitoring by state licensing authorities. We cannot assure you that we, or our licensed personnel, are and will remain at all times, in full compliance with state and federal real estate, title insurance and escrow, and consumer protection laws and regulations, and we may be subject to litigation, government investigations and enforcement actions, fines or other penalties in the event of any non-compliance. As a result of findings from examinations, we also may be required to take a number of corrective actions, including modifying business practices and making refunds of fees or money earned. In addition, adverse findings in one state may be relied on by another state to conduct investigations and impose remedies. If we apply for new licenses, we will become subject to additional licensing requirements, which we may not be in compliance with at all times. If in the future a state agency were to determine that we are required to obtain additional licenses in that state in order to operate our business, or if we lose or do not renew an existing license or are otherwise found to be in violation of a law or regulation, we may be subject to fines or legal penalties, lawsuits, enforcement actions, void contracts or our business operations in that state may be suspended or prohibited. Our business reputation with consumers and third parties also could be damaged. Compliance with, and monitoring of, these laws and regulations is complicated and costly and may inhibit our ability to innovate or grow.

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Our failure to comply with any of the foregoing laws and regulations may subject us to fines, penalties, injunctions and/or potential criminal violations. Any changes to these laws or regulations or any new laws or regulations may make it more difficult for us to operate our business and may have a material adverse effect on our operations.

We are subject to anti-corruption, anti-bribery, anti-money laundering, and similar laws, and non-compliance with such laws can subject us to criminal or civil liability and harm our business, financial condition, and results of operations.

We are subject to the U.S. Foreign Corrupt Practices Act of 1977, as amended, or the FCPA, U.S. domestic bribery laws, and other anti-corruption and anti-money laundering laws in the countries in which we conduct business. Anti-corruption and anti-bribery laws have been enforced aggressively in recent years and are interpreted broadly to generally prohibit companies, their employees, and their third-party intermediaries from authorizing, offering, or providing, directly or indirectly, improper payments or benefits to recipients in the public or private sector. If we engage in international sales and business with partners and third-party intermediaries to market our products, we may be required to obtain additional permits, licenses, and other regulatory approvals. In addition, we or our third-party intermediaries may have direct or indirect interactions with officials and employees of government agencies or state-owned or affiliated entities. If we engage in international sales and business with the public sector, we can be held liable for the corrupt or other illegal activities of these third-party intermediaries, our employees, agents, representatives, contractors, and partners, even if we do not explicitly authorize such activities.

While we have policies and procedures to address compliance with such laws, there is a risk that our employees and agents will take actions in violation of our policies and applicable law, for which we may be ultimately held responsible. If we further expand internationally, our risks under these laws may increase. Any such noncompliance with anti-corruption, anti-bribery, or anti-money laundering laws could subject us to whistleblower complaints, investigations, sanctions, settlements, prosecution, enforcement actions, fines, damages, other civil or criminal penalties or injunctions, and adversely affect our business, financial condition, and results of operations.

We may be subject to governmental export and import controls that could impair our ability to compete in international markets or subject us to liability if we violate the controls.

If we expand our brokerage business to international markets, our platform may become subject to U.S. export controls, including the U.S. Export Administration Regulations. Obtaining the necessary export license or other authorization for a particular sale may be time-consuming and may result in the delay or loss of sales opportunities. Furthermore, our activities are subject to U.S. economic sanctions laws and regulations administered by the U.S. Treasury Department’s Office of Foreign Assets Control that prohibit the sale or supply of most products and services to embargoed jurisdictions or sanctioned parties. Violations of U.S. sanctions or export control regulations can result in significant fines or penalties and possible incarceration for responsible agents, employees and managers.

Also, various countries, in addition to the United States, regulate the import and export of certain encryption and other technology, including import and export licensing requirements, and have enacted laws that could limit our ability to operate our platform in those countries. Changes in our platform or future changes in export and import regulations may impede the introduction of our platform in international markets, prevent our agents with international clients from using our platform globally or, in some cases, prevent the export or import of our platform to certain countries, governments, or persons altogether, and may adversely affect our business, financial condition, and results of operations.

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Internet law is evolving, and unfavorable changes to, or failure by us to comply with, these laws and regulations could adversely affect our business, financial condition and results of operations.

We are subject to regulations and laws specifically governing the Internet. The scope and interpretation of the laws that are or may be applicable to our business are often uncertain, subject to change and may be conflicting. If we incur costs or liability as a result of unfavorable changes to these regulations or laws or our failure to comply therewith, the business, financial condition and results of operations of our business could be adversely affected. Any costs incurred to prevent or mitigate this potential liability could also harm our business, financial condition and results of operations.

Adverse decisions in litigation against companies unrelated to us could impact our business practices and those of our agents in a manner that adversely impacts our financial condition and results of operations.

Litigation, claims and regulatory proceedings against other participants in the residential real estate or technology industry may impact us when the rulings in those cases cover practices common to the broader industry. Examples may include claims associated with RESPA compliance, broker fiduciary duties, and sales agent classification. Similarly, we may be impacted by litigation and other claims against companies in other industries. To the extent plaintiffs are successful in these types of litigation matters, and we or our agents cannot distinguish our or their practices (or our industry’s practices), we and our agents could face significant liability and could be required to modify certain business practices or relationships, either of which could materially and adversely impact our business, financial condition and results of operations.

Risks Related to Our Intellectual Property

Our intellectual property rights are valuable, and any inability to protect them could reduce the value of our products, services and brand.

Our trade secrets, trademarks, copyrights and other intellectual property rights are important assets, and litigation to defend intellectual property can be expensive and lengthy. Various factors outside of our control also pose a threat to our intellectual property rights, as well as to our products, services and technologies. For example, we may fail to obtain effective intellectual property protection, or effective intellectual property protection may not be available in every country in which our products and services are available. Also, the efforts we have taken to protect our intellectual property rights may not be sufficient or effective, and any of our intellectual property rights may be challenged, which could result in them being narrowed in scope or declared invalid or unenforceable. Despite our efforts to protect our proprietary rights, there can be no assurance our intellectual property rights will be sufficient to protect against others offering products or services that are substantially similar to ours and compete with our business or that unauthorized parties may attempt to copy aspects of our technology and use information that we consider proprietary.

In addition to registered intellectual property rights such as trademark registrations, we rely on non-registered proprietary information and technology, such as trade secrets, confidential information, know-how and technical information. In order to protect our proprietary information and technology, we rely in part on agreements with our employees, investors, independent contractors and other third parties that place restrictions on the use and disclosure of this intellectual property. These agreements may be breached, or this intellectual property, including trade secrets, may otherwise be disclosed or become known to our competitors, which could cause us to lose any competitive advantage resulting from this intellectual property. To the extent that our employees, independent contractors or other third parties with whom we do business use intellectual property owned by others in their work for us, disputes may arise as to the rights in related or resulting know-how and inventions. The loss of trade secret protection could make it easier for third parties to compete with our products and services by copying functionality. In addition, any changes in, or unexpected interpretations of, intellectual property laws may compromise our ability to enforce our trade secret and intellectual property rights. Costly and time-consuming litigation could be necessary to enforce and determine the scope of our proprietary rights, and failure to obtain or maintain protection of our trade secrets or other proprietary information could harm our business, financial condition, results of operations and competitive position.

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We may pursue registration of trademarks and domain names in the United States and in certain jurisdictions outside of the United States. Effective protection of trademarks and domain names is expensive and difficult to maintain, both in terms of application and registration costs as well as the costs of defending and enforcing those rights. We may be required to protect our rights in an increasing number of countries, a process that is expensive and may not be successful or which we may not pursue in every country in which our products and services are distributed or made available. Foreign countries have different laws and regulations regarding protection of intellectual property, and the protection available in other jurisdictions may not be as effective as that provided in the United States.

We may be unable to obtain trademark protection for our technologies and brands, and our existing trademark registrations and applications, and any trademarks that may be used in the future, may not provide us with competitive advantages or distinguish our products and services from those of our competitors. In addition, our trademarks may be contested, circumvented, or found to be unenforceable, weak or invalid, and we may not be able to prevent third parties from infringing or otherwise violating them. To counter infringement or unauthorized use of our trademarks, we may deem it necessary to file infringement claims, which can be expensive and time consuming. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of litigation. An adverse outcome in such litigation or proceedings may expose us to a loss of our competitive position, expose us to significant liabilities, or require us to seek licenses that may not be available on commercially acceptable terms, if at all.

Litigation or proceedings before the U.S. Patent and Trademark Office or other governmental authorities and administrative bodies in the United States and abroad may be necessary in the future to enforce our intellectual property rights and to determine the validity and scope of the proprietary rights of others. Efforts to enforce or protect proprietary rights may be ineffective and could result in substantial costs and diversion of resources, which could harm our business and results of operations.

Our products and services may infringe the intellectual property rights of others, which may cause us to incur unexpected costs or prevent us from providing our products and services.

We cannot guarantee that our internally developed or acquired systems, technologies and content do not and will not infringe the intellectual property rights of others. In addition, we use content, software and other intellectual property rights from third parties and may be subject to claims of infringement or misappropriation if we have failed to obtain appropriate intellectual property licenses from such parties, or such parties do not possess the necessary intellectual property rights to the products or services they license to our business. We have in the past and may in the future be subject to claims that we have infringed the copyrights, trademarks, or other intellectual property rights of a third party. Any intellectual property-related infringement or misappropriation claims, whether or not meritorious, could result in costly litigation and divert management resources and attention. Should we be found liable for infringement or misappropriation, we may be required to enter into licensing agreements, if available on acceptable terms or at all, pay substantial damages, limit or curtail our offerings and technologies or take other action, which could harm our business and results of operations. Moreover, we may need to redesign some of our systems and technologies to avoid future infringement liability. Any of the foregoing could prevent us from competing effectively and could expose our business to significant liabilities.

We rely on licenses to use the intellectual property rights of third parties which are incorporated into our products and services. Failure to renew or expand existing licenses may require us to modify, limit or discontinue certain offerings, which could materially affect our business, financial condition and results of operations.

We rely on products, technologies and intellectual property that we license from third parties for use in our services. We cannot assure that these third-party licenses, or support for such licensed products and technologies, will continue to be available to us on commercially reasonable terms, if at all. In the event that we cannot renew

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and/or expand existing licenses, we may be required to discontinue or limit our use of the products and technologies that include or incorporate the licensed intellectual property.

We cannot be certain that our licensors are not infringing the intellectual property rights of others or that our suppliers and licensors have sufficient rights to the technology in all jurisdictions in which we may operate. Some of our license agreements may be terminated by our licensors for convenience. If we are unable to obtain or maintain rights to any of this technology because of intellectual property infringement claims brought by third parties against our suppliers and licensors or against us, or if we are unable to continue to obtain the technology or enter into new agreements on commercially reasonable terms, our ability to develop our services containing that technology could be severely limited and our business could be disrupted or otherwise harmed. Additionally, if we are unable to obtain necessary technology from third parties, we may be forced to acquire or develop alternate technology, which may require significant time and effort and may be of lower quality or performance standards. This would limit and delay our ability to provide new or competitive offerings and increase our costs. If alternate technology cannot be obtained or developed, we may not be able to offer certain functionality as part of our offerings, which could adversely affect our business, financial condition and results of operations.

Some of our products and services contain open source software, which may pose particular risks to our proprietary software, products, and services in a manner that could have a negative effect on our business.

We use open source software in our products and services and anticipate using open source software in the future. Some open source software licenses require those who distribute open source software as part of their own software product to publicly disclose all or part of the source code to such software product or to make available any derivative works of the open source code on unfavorable terms or at no cost, and we may be subject to such terms. The terms of certain open source licenses to which our business is subject have not been interpreted by U.S. or foreign courts, and there is a risk that open source software licenses could be construed in a manner that imposes unanticipated conditions or restrictions on our ability to provide or distribute our products or services. Additionally, we could face claims from third parties alleging ownership of, or demanding release of, the open source software or derivative works that we developed using such software, which could include our proprietary source code, or otherwise seeking to enforce the terms of the applicable open source license. These claims could result in litigation and could require us to make our software source code freely available, purchase a costly license or cease offering the implicated products or services unless and until it can re-engineer such source code in a manner that avoids infringement. This re-engineering process could require us to expend significant additional research and development resources, and we may not be able to complete the re-engineering process successfully. In addition to risks related to license requirements, use of certain open source software can lead to greater risks than use of third-party commercial software, as open source licensors generally do not provide warranties or controls on the origin of software. Any of these risks could be difficult to eliminate or manage, and, if not addressed, could have a negative effect on our business, financial condition and results of operations.

Risks Related to this Offering, the Securities Markets and Ownership of Our Class A common stock

The multi-class structure of our common stock will have the effect of concentrating voting power with Robert Reffkin, our founder, Chairman and Chief Executive Officer, which will limit your ability to influence the outcome of matters submitted to our stockholders for approval, including the election of our board of directors, the adoption of amendments to our certificate of incorporation and bylaws, and the approval of any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transactions.

Our Class A common stock, which is the stock we are offering by means of this prospectus, has one vote per share, our Class B common stock has no voting rights, except as otherwise required by law, and our Class C common stock has 20 votes per share. As of the date of this prospectus, Robert Reffkin, our founder, Chairman and Chief Executive Officer, will hold all of the issued and outstanding shares of Class C common stock.

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Accordingly, upon the closing of this offering, our founder will hold approximately     % of the voting power of our outstanding capital stock in the aggregate, which voting power may increase over time as our founder vests in equity awards, including certain performance-based equity awards, outstanding at the time of completion of this offering, pursuant to his right to require us to exchange any shares of Class A common stock for shares of Class C common stock.

If all such equity awards held by our founder had been vested and settled as of the date of the completion of this offering, our founder would hold approximately     % of the voting power of our outstanding capital stock. As a result, our founder will be able to determine or significantly influence any action requiring the approval of our stockholders, including the election of our board of directors, the adoption of amendments to our certificate of incorporation and bylaws, and the approval of any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction. Our founder may have interests that differ from yours and may vote in a way with which you disagree and which may be adverse to your interests. This concentrated control may have the effect of delaying, preventing, or deterring a change in control of our company, could deprive our stockholders of an opportunity to receive a premium for their capital stock as part of a sale of our company, and might ultimately affect the market price of our Class A common stock.

Future transfers by the holders of Class C common stock will generally result in those shares automatically converting into shares of Class A common stock, subject to limited exceptions, such as certain transfers effected for estate planning or other transfers by our founder. In addition, each share of Class C common stock will convert automatically into one share of Class A common stock upon the earlier of (i) the date fixed by our board of directors that is no less than 61 days and no more than 180 days following the first date following the completion of this offering on which the number of shares of our Class C common stock held by our founder, his permitted entities and permitted transferees is less than 50% of the number of shares of Class C common stock held by our founder, permitted transferees and permitted entities as of the date of this prospectus; (ii) the date fixed by our board of directors that is no less than 61 days and no more than 180 days following the first date following the completion of this offering that both (A) our founder is no longer providing services to us as an officer, employee or consultant and (B) our founder is no longer a member of our board of directors as a result of a voluntary resignation by our founder or as a result of a written request or agreement by our founder not to be renominated as a member of our board of directors at a meeting of our stockholders; (iii) the date fixed by our board of directors that is no less than 61 days and no more than 180 days following the date on which our founder is terminated for cause (as defined in our restated certificate of incorporation); (iv) the date that is 12 months after the death or disability (as defined in our restated certificate of incorporation) of our founder; (v) two days prior to the date specified in writing upon which our shares of capital stock will be included on the S&P 500 index following written notice and confirmation from Standard & Poor’s of such specified date and; (vi) the date specified by the affirmative vote of the holders of our Class C common stock not representing less than two-thirds (2/3) of the voting power of the outstanding shares of our Class C common stock, voting separately as a single class; or (vii) seven years from the date of this prospectus. For information about our multi-class structure, see the section titled “Description of Capital Stock.”

In addition, because our Class A common stock has one vote per share and our Class B common stock carries no voting rights (except as otherwise required by law), if we issue Class C common stock in the future upon the vesting and settlement of equity awards held by our founder, the holders of Class C common stock may be able to elect all of our directors and to determine the outcome of most matters submitted to a vote of our stockholders for a longer period of time than would be the case if we issued Class A common stock or Class B common stock rather than Class C common stock in such transactions. Finally, after the completion of this offering, we anticipate that our board of directors may vote to effect the automatic conversion of all outstanding shares of Class B common stock into an equivalent number of shares of Class A common stock. Any such action may further reduce the voting power held by purchasers in this offering, as such shares of previously non-voting stock receive voting rights. See the section titled “Description of Capital Stock—Anti-Takeover Provisions” for additional information.

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We cannot predict the effect our multi-class structure may have on the market price of our Class A common stock.

We cannot predict whether our multi-class structure will result in a lower or more volatile market price of our Class A common stock, in adverse publicity, or other adverse consequences. For example, certain index providers have announced restrictions on including companies with multi-class share structures in certain of their indices. In July 2017, FTSE Russell announced that it plans to require new constituents of its indices to have greater than 5% of the company’s voting rights in the hands of public stockholders, and S&P Dow Jones announced that it will no longer admit companies with multi-class share structures to certain of its indices. Affected indices include the Russell 2000 and the S&P 500, S&P MidCap 400, and S&P SmallCap 600, which together make up the S&P Composite 1500. Also in 2017, MSCI, a leading stock index provider, opened public consultations on their treatment of no-vote and multi-class structures and temporarily barred new multi-class listings from certain of its indices and in October 2018, MSCI announced its decision to include equity securities “with unequal voting structures” in its indices and to launch a new index that specifically includes voting rights in its eligibility criteria. However, pursuant to our restated certificate of incorporation, each share of our Class C common stock will convert into one share of our Class A common stock two days prior to the date specified in writing upon which our shares of capital stock will be included on the S&P 500 index following written notice and confirmation from Standard & Poor’s of such specified date and inclusion. Under such announced policies, the multi-class structure of our common stock would make us ineligible for inclusion in certain indices and may discourage such indices from selecting us for inclusion, notwithstanding this automatic termination provision. As a result, mutual funds, exchange-traded funds, and other investment vehicles that attempt to track those indices would not invest in our Class A common stock. It is unclear what effect, if any, these policies will have on the valuations of publicly-traded companies excluded from such indices, but it is possible that they may depress valuations, as compared to similar companies that are included. Given the sustained flow of investment funds into passive strategies that seek to track certain indices, exclusion from certain stock indices would likely preclude investment by many of these funds and could make our Class A common stock less attractive to other investors. As a result, the market price of our Class A common stock could be adversely affected.

There has been no prior public trading market for our Class A common stock, and an active trading market for our Class A common stock might not develop.

Before this offering, there has been no public market for shares of our Class A common stock. We cannot assure you that an active trading market for our shares will develop or, that any market will be sustained. We cannot predict the prices at which our Class A common stock will trade. The initial public offering price of our Class A common stock will be determined by negotiations between us and the underwriters, and may not bear any relationship to the price at which our Class A common stock will trade after the completion of this offering or to any other established criteria of the value of our business.

In addition, the market price of our Class A common stock following this offering is likely to be highly volatile and could be subject to wide fluctuations in response to various factors, some of which are beyond our control. Accordingly, we cannot assure you of the liquidity of any trading market, your ability to sell your shares of our Class A common stock when desired or the prices that you may obtain for your shares of our Class A common stock.

The trading price of the shares of our Class A common stock is likely to be volatile, and purchasers of our Class A common stock could incur substantial losses.

Technology and real estate stocks historically have experienced high levels of volatility. The trading price of our Class A common stock following this offering may fluctuate substantially. Following the completion of this offering, the market price of our Class A common stock may be higher or lower than the price you pay in the offering, depending on many factors, some of which are beyond our control and may not be related to our operating performance. These fluctuations could cause you to incur substantial losses, including all of your

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investment in our Class A common stock. Factors that could cause fluctuations in the trading price of our Class A common stock include the following:

In addition, if the market for technology or real estate stocks, or the stock market, in general, experiences a loss of investor confidence, the trading price of our Class A common stock could decline for reasons unrelated to our business, financial condition or results of operations. The trading price of our Class A common stock might also decline in reaction to events that affect other companies in the real estate or technology industries even if these events do not directly affect us. In the past, following periods of volatility in the market price of a company’s securities, securities class action litigation has often been brought against that company.

If securities or industry analysts do not publish research or publish unfavorable research about our business, our stock price and trading volume could decline.

The trading market for our Class A common stock will, to some extent, depend on the research and reports that securities or industry analysts publish about us or our business. We do not have any control over these analysts. If one or more of the analysts who cover us should downgrade our shares, change their opinion of our business prospects or publish inaccurate or unfavorable research about our business, our share price may decline. If one or more of these analysts who cover us ceases coverage of our company or fails to regularly publish reports on us, we could lose visibility in the financial markets, which could cause our share price or trading volume to decline.

We may need to raise additional capital to continue to grow our business and we may not be able to raise additional capital on terms acceptable to us, or at all.

Growing and operating our business, including through the development of new and enhanced products and adjacent services and expansion into new markets, may require significant cash outlays, liquidity reserves and

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capital expenditures. If cash on hand, cash generated from operations and cash equivalents and investment balances are not sufficient to meet our cash and liquidity needs, we may need to seek additional capital and we may not be able to raise the necessary cash on terms acceptable to us, or at all. Financing arrangements we pursue or assume may require us to grant certain rights, take certain actions, or agree to certain restrictions, that could negatively impact our business. If additional capital is not available to us on terms acceptable to us or at all, we may need to modify our business plans, which would harm our ability to grow our operations.

If you purchase shares of our Class A common stock in this offering, your investment will experience immediate dilution.

We expect the initial public offering price of our Class A common stock to be substantially higher than the pro forma net tangible book value per share of our Class A common stock following this offering based on the total value of our tangible assets less our total liabilities. Therefore, if you purchase shares of our Class A common stock in this offering, you will pay a price per share that substantially exceeds our pro forma net tangible book value per share after this offering. Based on the initial public offering price of $                per share, you will experience immediate dilution of $                per share, representing the difference between our pro forma as adjusted net tangible book value per share as of                , after giving effect to the issuance of                shares of our Class A common stock in this offering. To the extent current or future outstanding equity awards are settled in shares of our capital stock, you will incur further dilution. Furthermore, if outstanding options are exercised, you could experience further dilution. For a further description of the dilution that you will experience immediately after this offering, see the section titled “Dilution.”

Sales of substantial amounts of our Class A common stock in the public markets, or the perception that they might occur, could cause the market price of our Class A common stock to decline.

Sales of a substantial number of shares of our Class A common stock into the public market, particularly sales by our directors, executive officers, and principal stockholders, or the perception that these sales might occur, could cause the market price of our Class A common stock to decline and may make it more difficult for you to sell your common stock at a time and price that you deem appropriate.

All of the shares of Class A common stock sold in this offering will be freely tradable without restrictions or further registration under the Securities Act of 1933, as amended, or the Securities Act, except for any shares held by our affiliates as defined in Rule 144 under the Securities Act (including any shares that may be purchased by any of our affiliates in this offering). The remaining shares of our common stock are subject to the lock-up agreement or market stand-off agreements described below.

Our lock-up period has two potential release dates, the first following our first earnings release or periodic report (either our quarterly report on Form 10-Q or annual report on Form 10-K), subject to certain conditions described below, and the second following 180 days after the date of this prospectus.

The terms of the lock-up agreements will expire on as to 10% of shares held by institutional holders currently holding shares of our preferred stock, and as to 5% of each other stockholder’s shares of common stock subject to the lock-up agreement if certain conditions are met, and we refer to the date on which this early release occurs as the Early Lock-Up Expiration Date. If such conditions are met, these shares will become available for sale after the close of trading on the second full trading day following the date on which all of the below conditions are satisfied:

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All remaining shares of common stock subject to the lock-up agreement and not released on the Early Lock-Up Expiration Date will be released upon the date that is 180 days from the date of this prospectus. When the lock-up period expires, we and our securityholders subject to a lock-up agreement or market stand-off agreement will be able to sell our shares in the public market. In addition, the underwriters may, in their sole discretion, release all or some portion of the shares subject to lock-up agreements prior to the expiration of the lock-up period. See the sections titled “Shares Eligible for Future Sale” and “Underwriting” for more information. Sales of a substantial number of such shares upon expiration of the lock-up and market stand-off agreements, or the perception that such sales may occur, or early release of these agreements, could cause our market price to fall or make it more difficult for you to sell your Class A common stock at a time and price that you deem appropriate.

In addition, as of December 31, 2020, we had options and RSUs outstanding that, if fully exercised, would result in the issuance of 9,434,889 shares of Class A common stock and 103,442 shares of Class B common stock. We also granted options to purchase 188,866 shares of our Class A common stock and RSUs settleable for 993,971 shares of our Class A common stock subsequent to December 31, 2020. All of the shares of Class A common stock issuable upon the exercise or settlement of stock options, RSUs, and the shares reserved for future issuance under our equity incentive plans, will be registered for public resale under the Securities Act. Accordingly, these shares will be able to be freely sold in the public market upon issuance subject to existing lock-up or market standoff agreements and applicable vesting requirements.

Provisions in our charter documents and under Delaware law could make an acquisition of us, which may be beneficial to our stockholders, more difficult and may limit attempts by our stockholders to replace or remove our current management.

Provisions in our restated certificate of incorporation and amended and restated bylaws may have the effect of delaying or preventing a merger, acquisition or other change in control of our company that the stockholders may consider favorable. In addition, because our board of directors is responsible for appointing the members of our management team, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace members of our board of directors. Among other things, our restated certificate of incorporation and amended and restated bylaws include provisions that:

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Moreover, Section 203 of the Delaware General Corporation Law, or DGCL, may discourage, delay, or prevent a change in control of our company. Section 203 imposes certain restrictions on mergers, business combinations, and other transactions between us and holders of 15% or more of our common stock.

Our restated certificate of incorporation and amended and restated bylaws contain exclusive forum provisions for certain claims, which may limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers, or employees.

Our restated certificate of incorporation provides that the Court of Chancery of the State of Delaware, to the fullest extent permitted by law, will be the exclusive forum for any derivative action or proceeding brought on our behalf, any action asserting a breach of fiduciary duty, any action asserting a claim against us arising pursuant to the DGCL, our restated certificate of incorporation, or our restated bylaws, or any action asserting a claim against us that is governed by the internal affairs doctrine.

Moreover, Section 22 of the Securities Act creates concurrent jurisdiction for federal and state courts over all claims brought to enforce any duty or liability created by the Securities Act or the rules and regulations thereunder. Our restated certificate of incorporation provides that the federal district courts of the United States will, to the fullest extent permitted by law, be the exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act, or Federal Forum Provision. Our decision to adopt a Federal Forum Provision followed a decision by the Supreme Court of the State of Delaware holding that such provisions are facially valid under Delaware law. While there can be no assurance that federal or state courts will follow the holding of the Delaware Supreme Court or determine that the Federal Forum Provision should be enforced in a particular case, application of the Federal Forum Provision means that suits brought by our stockholders to enforce any duty or liability created by the Securities Act must be brought in federal court and cannot be brought in state court.

Section 27 of the Exchange Act creates exclusive federal jurisdiction over all claims brought to enforce any duty or liability created by the Exchange Act or the rules and regulations thereunder. In addition, neither the exclusive forum provision nor the Federal Forum Provision applies to suits brought to enforce any duty or liability created by the Exchange Act. Accordingly, actions by our stockholders to enforce any duty or liability created by the Exchange Act or the rules and regulations thereunder must be brought in federal court.

Our stockholders will not be deemed to have waived our compliance with the federal securities laws and the regulations promulgated thereunder.

Any person or entity purchasing or otherwise acquiring or holding any interest in any of our securities shall be deemed to have notice of and consented to our exclusive forum provisions, including the Federal Forum Provision. These provisions may limit a stockholders’ ability to bring a claim in a judicial forum of their choosing for disputes with us or our directors, officers, or employees, which may discourage lawsuits against us and our directors, officers, and employees. Alternatively, if a court were to find the choice of forum provision contained in our restated certificate of incorporation or restated bylaws to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions, which could harm our business, financial condition, and results of operations.

We will have broad discretion in the use of proceeds from this offering and may invest or spend the proceeds in ways with which you do not agree and in ways that may not yield a return.

We intend to use the net proceeds that we receive in this offering for working capital and other general corporate purposes, which may include technology and product development, sales and marketing, general and administrative matters and capital expenditures. We may also use a portion of the net proceeds for the acquisition

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of, or investment in, technologies, solutions or businesses that complement our business, although we have no present commitments or agreements to enter into any acquisitions or investments. Consequently, our management will have broad discretion over the specific use of these net proceeds and may do so in a way with which our investors disagree. The failure by our management to apply and invest these funds effectively may not yield a favorable return to our investors and may adversely affect our business, financial condition and results of operations. Pending their use, we may invest the net proceeds from this offering in a manner that does not produce income or that loses value. If we do not use the net proceeds that we receive in this offering effectively, our business, financial condition and results of operations could be adversely affected.

Because we do not anticipate paying any cash dividends on our Class A common stock in the foreseeable future, capital appreciation, if any, will be your sole source of gains.

We have never declared or paid any dividends on our common stock. We currently intend to retain any earnings to finance the operation and expansion of our business, and we do not anticipate paying any cash dividends in the foreseeable future. Any determination to pay dividends in the future will be at the discretion of our board of directors. In addition, the terms of our future debt agreements, if any, may prevent us from paying dividends. As a result, you may only receive a return on your investment in our Class A common stock if the market price of our Class A common stock increases.

We will incur increased costs as a result of operating as a public company, and our management is required to devote substantial time to compliance with our public company responsibilities and corporate governance practices.

We will incur increased costs as a result of operating as a public company, and our management will devote substantial time to new compliance initiatives. If we complete this offering and become a public company, we will incur significant legal, accounting and other expenses that we did not incur as a private company. As a public company, we will be subject to the reporting requirements of the Exchange Act, the Sarbanes-Oxley Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, as well as rules adopted, and to be adopted, by the SEC and the New York Stock Exchange. Our management and other personnel will need to devote a substantial amount of time to these compliance initiatives and may not effectively or efficiently manage our transition into a public company. Moreover, we expect these rules and regulations to substantially increase our legal and financial compliance costs and to make some activities more time-consuming and costly. For example, we expect these rules and regulations to make it more difficult and more expensive for us to obtain director and officer liability insurance and we may be forced to accept reduced policy limits or incur substantially higher costs to maintain the same or similar coverage. We cannot predict or estimate the amount or timing of additional costs we may incur to respond to these requirements. The impact of these requirements could also make it more difficult for us to attract and retain qualified persons to serve on our board of directors, our board committees or as executive officers.

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