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.
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, Inc. reported results for the quarter and six months ended June 30, 2026. Quarterly revenue was $925 million, up from $781 million a year earlier, with net income of $55 million versus $6 million. For the first half, revenue reached $1,822 million and net income was $58 million, compared with $1,513 million and a $9 million loss in 2025. Basic and diluted EPS were $0.14 for both the quarter and year to date.
Revenue increased in both segments: Commercial Real Estate generated $481 million and Residential Real Estate $444 million in the quarter. Net cash provided by operating activities rose to $267 million for the first half. The company spent $587 million on stock repurchases, ended June with $1,266 million of cash and cash equivalents and $1,000 million of 2.800% Senior Notes outstanding, and agreed to acquire Zonda for $800 million in cash, subject to customary closing conditions.
CoStar Group posted strong Q2 2026 results, with revenue of $925 million, up 18% from $781 million a year earlier. Net income rose to $55 million and diluted EPS to $0.14, compared with $6 million and $0.01. Adjusted Net Income reached $128 million, Adjusted EPS $0.32, and Adjusted EBITDA climbed to $184 million, more than doubling year-over-year as EBITDA increased 441% to $157 million. This was the company’s 61st consecutive quarter of double-digit revenue growth.
Management described the quarter as a profitability inflection, noting operating costs grew just 2% and the residential segment turned Adjusted EBITDA positive, a $41 million improvement over Q1. New AI products, including Homes.com Ai and Apartments.com Ai, drove higher engagement, with over half a million AI sessions, longer session times, and large increases in 3D tour use and traffic-to-lead conversion.
For 2026, CoStar guides to revenue of $3.715–$3.755 billion, representing about 15% growth at the midpoint, and Adjusted EBITDA of $780–$820 million, increasing the midpoint by $30 million versus prior guidance. Q3 2026 guidance calls for revenue of $935–$945 million, Adjusted EBITDA of $190–$210 million and Adjusted EPS of $0.31–$0.34.
CoStar Group, Inc. appointed Robin Rossmann as Chief Financial Officer, effective July 31, 2026, succeeding Christian Lown, who is resigning to pursue an opportunity outside the company’s industry; his departure is stated not to result from any disagreement over operations, policies or practices.
Rossmann currently leads CoStar’s European business, where over the past two years he eliminated approximately $51 million in costs, about 25% of the European cost structure, while delivering double-digit revenue growth and launching CoStar in France. His compensation includes an annual base salary of £440,000, transitioning to $590,000 upon relocation to Arlington, Virginia, an annual bonus target equal to 100% of base salary, a one-time $2,500,000 equity award split 40% into time-vested RSUs and 60% into performance stock units for 2026–2028, and a cash relocation subsidy of $500,000, plus participation in the Executive Severance Plan.
CoStar Group, Inc. Chief Financial Officer Christian M. Lown reported a tax-withholding disposition of company stock. On this Form 4, 5,597 shares of common stock were delivered at $29.36 per share to satisfy tax obligations tied to equity compensation. Following this transaction, he continues to hold 129,653 shares of CoStar Group common stock directly.
CoStar Group reported that stockholders approved all proposals at the 2026 Annual Meeting, including the new 2026 Employee Stock Purchase Plan authorizing 2,500,000 shares of common stock. The plan replaces the prior 2021 ESPP and became effective upon stockholder approval.
All eight director nominees were elected with strong support, with most receiving more than 93% of votes cast, and Ernst & Young LLP was ratified as independent auditor for the 2026 fiscal year. Stockholders also approved the advisory say-on-pay proposal, following the Board’s outreach to top investors and a redesign of the 2026 executive compensation program to emphasize more rigorous, quantitative goals and clearer alignment with long-term stockholder value.
Glaser Rachel C reported acquisition or exercise transactions in this Form 4 filing.
CoStar Group director Rachel C. Glaser reported receiving a restricted stock award of 8,262 shares of common stock as compensation. The shares were granted at no cash cost on June 23, 2026 and increase her direct holdings to 12,419 shares after the award.
The restricted stock will vest in full on the earlier of the first anniversary of the grant date or the date of CoStar Group's 2027 Annual Meeting of Stockholders. This is a routine equity compensation grant and not an open-market purchase or sale.
CoStar Group director John L. Berisford received a restricted stock award of 8,262 shares of common stock. The grant was made at no cash cost per share and is classified as a compensation-related acquisition. After this award, he directly holds 11,235 CoStar Group shares.
The restricted stock vests in full on the earlier of the first anniversary of the grant date or the date of CoStar Group’s 2027 Annual Meeting of Stockholders, tying the award to both time-based service and the company’s future shareholder meeting.
Hill John W reported acquisition or exercise transactions in this Form 4 filing.
CoStar Group director John W. Hill received a grant of 8,262 shares of common stock as an equity award. The award was granted at no cash cost per share and is structured as restricted stock. Following this grant, Hill directly holds 26,493 shares.
The restricted stock award will vest in full on the earlier of the first anniversary of the grant date or the date of CoStar Group’s 2027 Annual Meeting of Stockholders. This is a compensation-related equity grant, not an open-market stock purchase or sale.
Brunner Angelique G. reported acquisition or exercise transactions in this Form 4 filing.
CoStar Group director Angelique G. Brunner received an equity grant of 8,262 shares of restricted common stock on June 23, 2026. The award carries no purchase price and represents stock-based compensation rather than an open-market transaction. The restricted shares vest in full on the earlier of the first anniversary of the grant date or the company’s 2027 Annual Meeting of Stockholders. Following this grant, Brunner directly holds 18,428 shares of CoStar Group common stock.
Musslewhite Robert W reported acquisition or exercise transactions in this Form 4 filing.
COSTAR GROUP, INC. director Robert W. Musslewhite received an equity grant of 8,262 shares of common stock as a restricted stock award. The award was granted at no cash cost to him and increases his direct holdings to 26,539 shares. According to the terms, the restricted stock vests in full on the earlier of the first anniversary of the grant date or the date of the company’s 2027 Annual Meeting of Stockholders, tying his compensation more closely to the company’s future performance and continued board service.