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. reported changes to executive arrangements and shared high-level strategic updates. The company amended CEO Andrew Florance’s employment agreement, effective January 1, 2026, to remove a long-standing tax gross-up provision tied to Sections 280G and 4999 of the Internal Revenue Code. CoStar also adopted an Executive Severance Plan that offers specified severance pay, subsidized COBRA coverage, bonus treatment, and equity vesting acceleration for selected executives at Vice President level or above following certain involuntary terminations, with enhanced treatment during a change in control protection period and subject to a release of claims. In a furnished press release, CoStar provided its full year 2026 financial outlook and targets and announced a new $1.5 billion share repurchase program along with a new executive compensation program reflecting stockholder feedback.
CoStar Group, Inc. director reports stock sale in Form 4 filing. A company director filed a Form 4 disclosing the sale of 2,250 shares of CoStar Group common stock on 11/13/2025 at a price of $68.68 per share. After this transaction, the director beneficially owns 18,231 shares of CoStar Group common stock in direct ownership form. This is a routine insider trading disclosure required under U.S. securities laws.
CoStar Group, Inc. reported an insider stock sale by its Chief Accounting Officer. On 11/13/2025, the officer sold 1,841 shares of CoStar Group common stock at an average price of $68.79 per share. The filing notes this average is based on sales prices ranging from $68.78 to $68.85. After this transaction, the officer directly beneficially owned 23,211 shares of CoStar Group common stock.
CoStar Group (CSGP) reported Q3 results. Revenue rose to $833.6 million from $692.6 million, reflecting continued subscription strength. Higher operating costs and amortization drove an operating loss of $51.1 million and a net loss of $30.9 million, or $0.07 per share, compared with a $53.0 million profit a year ago.
For the first nine months, revenue reached $2,347.1 million versus $2,026.8 million, with a year‑to‑date net loss of $39.5 million. Cash and cash equivalents were $1,935.3 million at September 30, 2025, down from $4,681.0 million at year‑end, as the company completed acquisitions including Matterport in February and Domain in August. Goodwill increased to $4,915.4 million and intangible assets to $1,844.4 million. The quarter included a $98.8 million litigation accrual and $99.5 million of restricted cash for a litigation bond. Stock‑based compensation expense was $70.8 million in the quarter. Shares outstanding were 423,822,791 as of October 27, 2025.
CoStar Group (CSGP) announced its financial and operating results for the quarter ended September 30, 2025, and furnished the related press release as Exhibit 99.1. The company stated this information is furnished, not filed, under the securities laws.
CoStar also noted it plans to use its investor website (investors.costargroup.com) as a channel for material company information, including investor presentations.
Christine M. McCarthy, a director of CoStar Group, Inc. (CSGP), reported a purchase of 2,973 shares of the company's common stock on 09/09/2025 at a reported price of $0, resulting in direct beneficial ownership of 2,973 shares following the transaction. The Form 4 was signed by an attorney-in-fact on 09/11/2025. The filing documents an insider acquisition by a board member but does not disclose reason or additional holdings.
Insider purchase disclosed: Director Louise S. Sams acquired 3,291 shares of CoStar Group, Inc. (CSGP) on 09/09/2025 at no reported cash price and now beneficially owns 19,409 shares. The Form 4 was signed by an attorney-in-fact on 09/11/2025. The filing indicates the transaction was by the reporting person as a director and was filed individually.
CoStar Group, Inc. (CSGP) director John L. Berisford reported acquiring 2,973 shares of CoStar common stock on 09/09/2025. The transaction is coded "A" and shows a price of $0 per share, with 2,973 shares reported as beneficially owned following the transaction. The Form 4 was filed as a single reporting person filing and includes an electronic signature executed by Gene Boxer, Attorney-in-Fact, dated 09/11/2025. The reporting address is listed as C/O CoStar Group, Inc., 1201 Wilson Blvd., Arlington, VA 22209. No derivative securities or additional transactions are reported on this Form 4.
John W. Hill, a director of CoStar Group, Inc. (CSGP), reported acquiring 3,177 shares of the company's common stock on 09/09/2025. The reported transaction shows a price of $0 and brings his beneficial ownership to 20,481 shares following the transaction. The Form 4 was signed by Gene Boxer, Attorney-in-Fact, on 09/11/2025. The filing identifies Hill as a director and is a single-reporting-person Form 4. No derivative securities or other transactions are disclosed in this filing.
Robert W. Musslewhite, a director of CoStar Group, Inc. (CSGP), acquired 3,121 shares of CoStar common stock on 09/09/2025. The Form 4 reports the transaction as an acquisition (transaction code A) at a reported price of $0, and shows total beneficial ownership following the transaction of 18,277 shares. The filing indicates the report was submitted by one reporting person and is signed by an attorney-in-fact on 09/11/2025.
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