Welcome to our dedicated page for Costar Group SEC filings (Ticker: CSGP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The CoStar Group, Inc. (NASDAQ: CSGP) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. CoStar Group is a public company that describes itself as a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology, and its filings offer detail on financial performance, governance, acquisitions, and capital allocation.
Among the documents available are Form 8-K current reports, which CoStar Group uses to announce material events. The provided examples include 8-K filings reporting quarterly financial and operating results, the completion of the acquisition of Domain Holdings Australia Limited, and stockholder actions at the annual meeting such as the approval of the CoStar Group, Inc. 2025 Stock Incentive Plan and advisory votes on executive compensation. These filings also describe the company’s intent to use its corporate website as a channel for distributing material information.
In addition to 8-Ks, investors typically review CoStar Group’s annual reports on Form 10-K, quarterly reports on Form 10-Q, and proxy statements for insight into its subscription-based business model, brand portfolio, risk factors, and governance practices. Forms related to equity compensation plans and stockholder votes, such as the 2025 Stock Incentive Plan, are also reflected in the company’s filings.
Stock Titan’s platform pairs these CoStar Group filings with AI-powered tools that summarize key points and help explain technical sections, such as non-GAAP reconciliations, definitions of metrics like Adjusted EBITDA, and descriptions of compensation or incentive plans. Users can quickly see what each filing covers and then drill into the full SEC document for more detail, supporting research into CSGP’s financial condition, corporate actions, and regulatory history.
CoStar Group Chief Human Resources Officer Michael J. Desmarais reported routine equity compensation activity. He received a grant of 17,926 restricted stock units, each representing one future share of CoStar Group common stock. The restricted stock units vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.
To cover tax obligations, 6,353 shares of common stock were disposed of at a price of $44.63 per share through a tax-withholding transaction rather than an open-market sale. Following these transactions, Desmarais directly held 72,922 shares of CoStar Group common stock.
CoStar Group Chief Accounting Officer Cynthia Cammett reported routine equity compensation activity. She received a grant of 6,834 restricted stock units, each representing the right to receive one share of CoStar common stock, with no purchase price.
The restricted stock units vest in four equal installments on March 1, 2027, 2028, 2029, and 2030. In a separate transaction, 1,385 shares of common stock were withheld at a price of $44.63 per share to cover tax obligations, leaving her with 21,968 common shares held directly, including 142 shares acquired under the employee stock purchase plan.
CoStar Group, Inc. executive Lisa Ruggles reported offsetting equity transactions. She received a grant of 28,197 restricted stock units on February 27, 2026, each representing one future share of common stock. These RSUs vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.
To cover tax obligations related to equity compensation, 8,931 shares of common stock were disposed of on March 1, 2026 through a tax-withholding transaction at a reference price of $44.63 per share. After these transactions, she directly held 177,892 shares of common stock and 28,197 RSUs.
CoStar Group Chief Technology Officer Frank Simuro received a grant of 52,869 restricted stock units, each representing one future share of common stock. The units vest in three equal installments on March 1, 2027, 2028 and 2029. To cover tax obligations, 18,702 common shares were disposed of through a tax-withholding transaction at a price of $44.63 per share, leaving him with 425,598 common shares held directly.
COSTAR GROUP, INC. director Rachel C. Glaser reported an open-market purchase of 1,000 shares of common stock at a price of $44.94 per share. After this transaction, she directly owns 4,157 shares. The reported amount includes shares that were previously omitted from an earlier filing.
CoStar Group, Inc. President, Marketplaces, Frederick G. Saint reported mixed share movements involving the company’s common stock. On March 2, 2026, he made an open-market purchase of 20,000 shares at an average price of $45.33 per share, increasing his directly held stake. On March 1, 2026, 11,096 shares were disposed of to cover tax obligations, using a price of $44.63–$44.63 as referenced in the filing. After these transactions, he directly owned 279,851 shares of CoStar Group common stock.
CoStar Group, Inc. President and CEO Andrew C. Florance reported an open-market purchase of 55,720 shares of common stock at an average price of $44.52 per share. Following this transaction, his directly held stake increased to 1,586,866.03 shares.
CoStar Group is a Delaware-based provider of online real estate marketplaces, data, analytics, and 3D digital twin technology serving commercial and residential property markets worldwide. It operates two segments, Commercial Real Estate and Residential Real Estate, after shifting from geography-based reporting in 2025.
The company has built a large proprietary real estate database over more than 35 years and delivers most services via recurring subscriptions, complemented by transaction-based revenue such as auction fees and 3D capture services. Major brands include CoStar, LoopNet, Apartments.com, Homes.com, Land.com, OnTheMarket, Domain, Matterport, STR, BizBuySell, and Visual Lease.
CoStar expanded through recent acquisitions of Visual Lease in 2024, Matterport in February 2025, and Domain in August 2025, and authorized a stock repurchase program of up to $1.5 billion in CoStar Group Shares in December 2025. As of June 30, 2025, non‑affiliate market value of common stock was about $33.9 billion, and 419,793,301 shares were outstanding as of February 20, 2026. The filing outlines extensive risk factors, including competition, AI-related issues, data protection, acquisitions integration, macroeconomic and real estate cycles, indebtedness, regulatory compliance, and execution of its stock repurchase program.
CoStar Group, Inc. reported strong 2025 growth with mixed profitability. Full-year revenue reached $3.25 billion, up 19% from $2.74 billion, while fourth-quarter revenue was $900 million, up 27% year-over-year. Adjusted EBITDA for 2025 rose to $442 million, an 83% increase, and Adjusted Net Income grew 23% to $364 million.
GAAP net income for 2025 was $7 million, or $0.02 per diluted share, reflecting significant acquisition and integration costs from the Matterport and Domain deals. The company completed a $500 million share repurchase in the fourth quarter of 2025 and plans an additional $700 million repurchase in 2026 under its existing program.
For 2026, CoStar is affirming guidance for revenue of $3.78–$3.82 billion (about 17% growth at the midpoint), Adjusted EBITDA of $740–$800 million, and Adjusted EPS of $1.22–$1.33. Management also highlighted continued scale in its Homes.com residential platform and a new Commercial and Residential segment structure.
CoStar Group, Inc. Chief Technology Officer Frank Simuro reported two share dispositions related to equity compensation. He forfeited 30,727 shares of common stock back to the issuer from a February 14, 2023 performance restricted stock grant after the Compensation Committee certified the performance goal. He also disposed of 4,421 shares at $49.07 per share to satisfy tax withholding obligations, based on the February 19, 2026 Nasdaq closing price. After these non-market transactions, he directly owns 444,300 shares of CoStar Group common stock.