CoStar Group filings document the regulatory record of a Delaware operating company that provides online real estate marketplaces, information, analytics, and 3D digital twin technology. Its 8-K reports commonly furnish quarterly and annual operating results, Regulation FD disclosures, investor presentation channels, and material corporate events tied to its property-market data and marketplace business.
Proxy and governance filings cover annual meeting matters, board composition, executive compensation arrangements, severance plans, and related employment agreements. Recent filings also document completed acquisition activity, capital actions, and formal disclosures connected to CoStar Group’s corporate structure and public-company governance.
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.
CoStar Group President, Marketplaces Frederick G. Saint reported two dispositions of CoStar Group common stock on February 19, 2026. He forfeited 17,583 shares to the company at $0.00 per share upon certification of performance results from a February 14, 2023 performance restricted stock grant. He also disposed of 2,149 shares at $49.07 per share to cover tax obligations, using shares to pay the exercise price or tax liability. After these transactions, he held 270,947 shares of CoStar Group common stock directly. The footnotes note that the closing price of the company’s common stock on Nasdaq on February 19, 2026 was $49.07 per share.
CoStar Group CEO Andrew C. Florance reported two share dispositions in company stock. He forfeited 104,983 shares of common stock back to the issuer from a February 14, 2023 performance-based restricted stock grant after the Compensation Committee certified actual performance. He also disposed of 19,221 shares to cover tax liabilities, valued at $49.07 per share, based on the Nasdaq closing price on February 19, 2026. After these transactions, he directly owned 1,531,146.03 shares of CoStar Group common stock.
COSTAR GROUP, INC. Senior VP of Global Operations Lisa Ruggles reported two disposals of common stock tied to equity compensation on February 19, 2026. She transferred 17,583 shares back to the company in an issuer disposition following certification of performance results from a February 14, 2023 performance stock grant. She also disposed of 3,219 shares at $49.07 per share to cover tax obligations related to her award. After these transactions, she directly owns 186,823 shares of CoStar Group common stock.