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.
Trying to track CoStar Group’s subscriber growth or LoopNet traffic in a 300-page filing? CoStar Group’s disclosures weave together marketplace revenue, data-licensing costs and frequent acquisitions—details investors can’t afford to miss.
Stock Titan’s AI reads every CoStar Group quarterly earnings report 10-Q filing, annual report 10-K and 8-K material events the moment they hit EDGAR. Our platform then pinpoints what matters: churn percentages, goodwill amortisation schedules, and marketplace margin trends. The result—CoStar Group SEC filings explained simply.
Need executive insights? Receive real-time alerts for CoStar Group Form 4 insider transactions. Instantly see when directors exercise options or when the CEO buys shares. All CoStar Group insider trading Form 4 transactions stream to your dashboard, alongside AI commentary that spots patterns across quarters.
- 10-K – CoStar Group annual report 10-K simplified: AI extracts segment revenue, data-collection expenses, and risk factors tied to commercial real-estate cycles.
- 10-Q: Quickly compare quarter-over-quarter marketplace margins in our CoStar Group earnings report filing analysis.
- 8-K: Material event summaries—product launches, acquisitions—CoStar Group 8-K material events explained in plain English.
- DEF 14A: Dive into CoStar Group proxy statement executive compensation without parsing legal jargon.
Whether you’re understanding CoStar Group SEC documents with AI for due diligence or monitoring CoStar Group executive stock transactions Form 4 before a deal, Stock Titan saves hours and delivers clarity. Every filing, every footnote, all in one place and updated in real time.
Angelique G. Brunner, a director of CoStar Group, Inc. (CSGP), acquired 3,143 shares of the company’s common stock on 09/09/2025 at no reported cash price, bringing her total beneficial ownership to 10,166 shares held directly. The Form 4 discloses this non-derivative purchase and indicates the filing was executed by an attorney-in-fact on behalf of the reporting person.
The filing shows a single, straightforward purchase of common stock by an insider rather than a sale or derivative transaction; no option grants, conversions, or other derivative activity are reported.
Saint Frederick G., identified as President, Marketplaces of CoStar Group, Inc. (CSGP), reported a sale of 25,000 shares of CoStar common stock on 08/28/2025 at an average price of $90.33 per share (sale prices ranged $90.30–$90.38). Following the transaction the reporting person beneficially owned 293,103 shares, held directly. The Form 4 was signed by attorney-in-fact Gene Boxer on 09/02/2025. The filing shows routine insider disposition with the required Section 16 disclosure and includes an explanatory remark on the average sale price.
CoStar Group Inc (CSGP) Form 144 summary: This Form 144 notifies a proposed sale of 25,000 shares of CoStar common stock through Morgan Stanley Smith Barney, scheduled approximately 08/28/2025, with an aggregate market value listed as $2,258,225.00 and total outstanding shares of 423,650,362.
The filing identifies the seller as Frederick Saint and discloses prior sales by the same person of 25,000 shares on 07/28/2025 for $2,330,827.51 and 25,000 shares on 06/11/2025 for $2,027,382.51. Acquisition details show the shares being sold were originally received as restricted stock on multiple dates in 2021 and 2022.
Saint Frederick G., an officer serving as President, Marketplaces at CoStar Group, Inc. (CSGP), reported a non-derivative transaction in the issuer's common stock dated 08/01/2025. The report shows a disposition of 1,436 shares at a price of $95.19, leaving beneficial ownership of 318,103 shares held directly. No derivative positions are listed.
FAQ
What is the current stock price of Costar Group (CSGP)?
What is the market cap of Costar Group (CSGP)?
