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 reported a tax-related share disposition. On February 15, 2026, he disposed of 4,151 shares of CoStar Group common stock in a tax-withholding transaction valued at $44.99 per share. After this withholding-related disposition, he directly owned 479,448 shares of common stock.
CoStar Group President and CEO Andrew C. Florance reported a tax-related share disposition. On a Form 4, he disclosed the withholding of 17,482 shares of common stock at $44.99 per share to cover tax obligations, using the prior Nasdaq closing price. After this transaction, he directly holds 1,655,350.03 CoStar common shares.
CoStar Group Senior VP Lisa Ruggles reported a tax-related share disposition. On February 15, 2026, she disposed of 3,576 shares of CoStar Group common stock at $44.99 per share through a tax-withholding transaction, rather than an open-market sale. After this transaction, she directly owned 207,625 shares of CoStar Group common stock. A footnote notes that the Nasdaq closing price of the company’s stock on the prior business day, February 13, 2026, was $44.99, which aligns with the transaction price.
CoStar Group, Inc. reported that President, Marketplaces Frederick G. Saint disposed of company shares to cover tax obligations tied to equity compensation. The Form 4 shows a tax-withholding disposition of 2,424 shares of common stock at a reference price of $44.99 per share. After this withholding event, Saint directly owned 290,679 shares of CoStar Group common stock.
CoStar Group, Inc. amended its Executive Severance Plan to remove a “change in control” provision tied to the composition of its Board of Directors. All other terms of the plan remain in place. The Board acted at management’s request, citing a desire to avoid cost and distraction from Delaware litigation linked to threatened proxy contests involving Third Point LLC and D. E. Shaw & Co., L.P.
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.