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, Inc. President and CEO Andrew C. Florance reported buying additional company stock. He made two open-market purchases of the company’s common stock, totaling 71,430 shares. One trade covered 3,100 shares at $35.82 per share and the other 68,330 shares at $35.17 per share.
CoStar Group’s proxy outlines strong 2025 growth, major capital moves, and governance updates ahead of the 2026 virtual annual meeting. Revenue reached $3.2 billion in 2025, up 19% year over year, while Adjusted EBITDA rose 83% to $442 million and net income was $7 million.
The company highlights momentum at Homes.com, now with 35,000 agent subscribers generating over $100 million in annualized run-rate revenue and 2.1 billion views in 2025. CoStar completed a $500 million share repurchase and the Board approved a new $1.5 billion program.
Stockholders are asked to elect eight directors, ratify Ernst & Young as auditor, approve executive compensation on an advisory basis, and approve a new 2026 Employee Stock Purchase Plan. The proxy details extensive board refreshment, tighter pay‑for‑performance alignment, and enhanced stockholder engagement.
CoStar Group Inc reported that Vanguard Capital Management beneficially owned 31,613,997 shares of Common Stock, representing 7.53% of the class as of 03/31/2026. The filer reports sole voting power for 4,190,094 shares and sole dispositive power for 31,613,997 shares.
CoStar Group Inc reported that Vanguard Capital Management beneficially owned 31,613,997 shares of Common Stock, representing 7.53% of the class as of 03/31/2026. The filer reports sole voting power for 4,190,094 shares and sole dispositive power for 31,613,997 shares.
CoStar Group reported Q1 2026 revenue of $897 million, up from $732 million a year earlier, driven by both Commercial and Residential Real Estate segments. The company generated net income of $3 million, compared with a $15 million loss in Q1 2025, as operating income swung to a $3 million profit.
Operating cash flow strengthened to $152 million from $53 million, though cash, cash equivalents, and restricted cash declined to $1.316 billion after $505 million of stock repurchases. CoStar also carried a $99 million litigation accrual tied to the Matterport-related Brown judgment and maintained $1.0 billion of Senior Notes due 2030.
CoStar Group reported Q1 2026 revenue of $897 million, up from $732 million a year earlier, driven by both Commercial and Residential Real Estate segments. The company generated net income of $3 million, compared with a $15 million loss in Q1 2025, as operating income swung to a $3 million profit.
Operating cash flow strengthened to $152 million from $53 million, though cash, cash equivalents, and restricted cash declined to $1.316 billion after $505 million of stock repurchases. CoStar also carried a $99 million litigation accrual tied to the Matterport-related Brown judgment and maintained $1.0 billion of Senior Notes due 2030.
Vanguard Portfolio Management reported beneficial ownership of 38,292,035 shares of CoStar Group Inc Common Stock, representing 9.12% of the class. The filing shows sole dispositive power for 38,292,035 shares and sole voting power for 57,902 shares. Vanguard states these holdings include securities held for Vanguard funds and managed accounts over which it or its affiliates exercise dispositive power. The filing is signed by Ashley Grim as Head of Global Fund Administration.
Vanguard Portfolio Management reported beneficial ownership of 38,292,035 shares of CoStar Group Inc Common Stock, representing 9.12% of the class. The filing shows sole dispositive power for 38,292,035 shares and sole voting power for 57,902 shares. Vanguard states these holdings include securities held for Vanguard funds and managed accounts over which it or its affiliates exercise dispositive power. The filing is signed by Ashley Grim as Head of Global Fund Administration.
CoStar Group reported strong Q1 2026 results with revenue of $897 million, up 23% from $732 million a year earlier, marking its 60th consecutive quarter of double-digit growth. Net income was $3 million, or $0.01 per diluted share, improving from a net loss of $15 million or $(0.04) per share.
On a non-GAAP basis, Adjusted Net Income rose to $94 million and Adjusted EPS to $0.23, while Adjusted EBITDA doubled to $132 million. Annualized net new bookings were $67 million, up 20% year-over-year.
The company highlighted rapid adoption of its new Homes.com AI application, driving a 119% increase in organic traffic and growing Homes.com members to 35,000, more than 200% higher than a year ago. For 2026, CoStar reaffirmed revenue guidance of $3.78–$3.82 billion (about 17% growth at the midpoint) and raised Adjusted EBITDA guidance to $780–$820 million. It now expects full-year 2026 Adjusted EPS of $1.32–$1.39 and Q2 2026 revenue of $922–$932 million with Adjusted EBITDA of $160–$180 million and Adjusted EPS of $0.27–$0.30.
CoStar Group reported strong Q1 2026 results with revenue of $897 million, up 23% from $732 million a year earlier, marking its 60th consecutive quarter of double-digit growth. Net income was $3 million, or $0.01 per diluted share, improving from a net loss of $15 million or $(0.04) per share.
On a non-GAAP basis, Adjusted Net Income rose to $94 million and Adjusted EPS to $0.23, while Adjusted EBITDA doubled to $132 million. Annualized net new bookings were $67 million, up 20% year-over-year.
The company highlighted rapid adoption of its new Homes.com AI application, driving a 119% increase in organic traffic and growing Homes.com members to 35,000, more than 200% higher than a year ago. For 2026, CoStar reaffirmed revenue guidance of $3.78–$3.82 billion (about 17% growth at the midpoint) and raised Adjusted EBITDA guidance to $780–$820 million. It now expects full-year 2026 Adjusted EPS of $1.32–$1.39 and Q2 2026 revenue of $922–$932 million with Adjusted EBITDA of $160–$180 million and Adjusted EPS of $0.27–$0.30.
CoStar Group director Christine M. McCarthy filed an amended initial ownership report to correct her disclosed holdings. The amendment shows she directly holds 350 shares of Common Stock, par value $0.01 per share. A footnote explains these shares were omitted from her original Form 3 and from one subsequent Form 4.
The Vanguard Group filed Amendment No. 13 to a Schedule 13G/A reporting its beneficial ownership in CoStar Group Inc. The filing states 0% ownership and an as of alignment change: certain Vanguard subsidiaries will report disaggregated holdings following an internal realignment effective January 12, 2026. The filing is signed by the Head of Global Fund Administration on 03/26/2026.
CoStar Group’s General Counsel and Secretary, Gene Boxer, reported a small tax-related share disposition. On this amended Form 4, 482 shares of common stock were withheld at a price of $43.63 per share to cover tax obligations. After this non‑market, tax-withholding transaction, Boxer directly holds 95,463 shares of CoStar Group common stock. A footnote states that the reported amount reflects a correction due to an administrative error, indicating this filing primarily updates prior data rather than reflecting a new trading decision.