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CSGPNasdaq
COSTAR GROUP, INC.
Services-Business Services, NEC · DE · CIK 1057352
The company discloses and discusses non-GAAP financial measures like EBITDA and Adjusted Net Income
red 8-K · 90d🔥 High media attention
$13.41B
Market cap
$29.32
Last close
-3.1%
1D
+0.3%
5D
5.6M
Volume
Price · last 39 sessions-17.1%
May 4L $28.64 · H $35.38Jun 29
267
Total filings
Jun 25, 2026
Last filing
12/31
Fiscal year end
8-KExecutive Change · Shareholder VoteJun 25, 20268-KMaterial Agreement · Reg FD DisclosureMay 29, 20268-KResults of Operations · Reg FD DisclosureApr 28, 20268-KExecutive Change · Reg FD DisclosureMar 16, 20268-KResults of Operations · Reg FD DisclosureFeb 24, 20268-KExecutive ChangeFeb 13, 20268-KExecutive Change · Reg FD DisclosureJan 7, 20268-KResults of Operations · Reg FD DisclosureOct 28, 20258-KReg FD DisclosureAug 27, 20258-KResults of Operations · Reg FD DisclosureJul 22, 20258-KExecutive Change · Shareholder VoteJun 27, 20258-KMaterial Agreement · Reg FD DisclosureMay 9, 20258-KResults of OperationsApr 29, 20258-KExecutive Change · Material AgreementApr 7, 20258-KAcquisition / Disposition · Reg FD DisclosureFeb 28, 20258-KResults of Operations · Reg FD DisclosureFeb 18, 20258-KResults of Operations · Reg FD DisclosureOct 22, 20248-KResults of Operations · Reg FD DisclosureJul 23, 20248-KExecutive Change · Reg FD DisclosureJul 11, 20248-KExecutive Change · Reg FD DisclosureJun 18, 20248-KShareholder VoteJun 7, 20248-KMaterial Agreement · New Debt / ObligationMay 31, 20248-KResults of Operations · Reg FD DisclosureApr 23, 20248-KMaterial Agreement · Reg FD DisclosureApr 22, 20248-KReg FD DisclosureFeb 21, 20248-KExecutive Change · Results of OperationsFeb 20, 20248-KResults of Operations · Reg FD DisclosureOct 24, 20238-KExecutive Change · Reg FD DisclosureAug 1, 20238-KResults of OperationsJul 25, 20238-KShareholder VoteJun 12, 20238-KResults of OperationsApr 25, 20238-KResults of OperationsFeb 21, 20238-KResults of OperationsOct 25, 20228-KCompany UpdateSep 20, 20228-KResults of OperationsJul 26, 20228-KShareholder VoteJun 9, 20228-KBylaw AmendmentMay 9, 20228-KResults of OperationsApr 26, 20228-KResults of OperationsFeb 22, 20228-KResults of OperationsOct 26, 20218-KResults of OperationsJul 27, 20218-KBylaw Amendment · Shareholder VoteJun 7, 20218-KResults of OperationsApr 27, 20218-KCompany UpdateMar 5, 20218-KResults of OperationsFeb 23, 20218-KCompany UpdateFeb 16, 20218-KAgreement TerminatedJan 4, 20218-KResults of OperationsOct 27, 20208-KExecutive ChangeOct 1, 20208-KResults of OperationsJul 28, 20208-KMaterial Agreement · New Debt / ObligationJul 1, 20208-KCompany UpdateJun 24, 20208-KShareholder VoteJun 5, 20208-KCompany UpdateMay 28, 20208-KMaterial AgreementMay 14, 20208-KCompany UpdateApr 30, 20208-KResults of OperationsApr 28, 20208-KNew Debt / ObligationMar 26, 20208-KResults of OperationsFeb 25, 20208-KMaterial AgreementFeb 13, 20208-KExecutive ChangeDec 18, 20198-KResults of Operations · Company UpdateOct 22, 20198-KMaterial AgreementOct 2, 20198-KReg FD DisclosureOct 1, 20198-KResults of OperationsJul 23, 20198-KShareholder VoteJun 6, 20198-KResults of OperationsApr 23, 20198-KResults of OperationsFeb 26, 20198-KResults of OperationsOct 23, 20188-KExecutive Change · Results of OperationsJul 24, 20188-KShareholder VoteJun 6, 20188-KResults of OperationsApr 23, 20188-KResults of Operations · Equity IssuanceFeb 21, 20188-KReg FD DisclosureJan 17, 20188-KCompany UpdateNov 28, 20178-KMaterial Agreement · Results of OperationsOct 25, 20178-KCompany UpdateOct 3, 20178-KMaterial Agreement · Reg FD DisclosureSep 13, 20178-KResults of OperationsJul 26, 20178-KShareholder VoteJun 7, 2017
Insider Activity
◆ Cluster Buy · 4 insidersIn the 90 days to Mar 6, 2026: 4 insiders bought $3.5M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 6, 2026 | Sams Louise SDirector | Buy | 1,000 | $48.36 | $48K |
| Mar 2, 2026 | Saint Frederick G.President, Marketplaces | Buy | 20,000 | $45.33 | $907K |
| Mar 2, 2026 | Glaser Rachel CDirector | Buy | 1,000 | $44.94 | $45K |
| Feb 27, 2026 | Florance Andrew CPresident and CEO | Buy | 55,720 | $44.52 | $2.5M |
| Nov 13, 2025 | Hill John WDirector | Sell | 2,250 | $68.68 | $155K |
| Nov 13, 2025 | Cann Cynthia CammettChief Accounting Officer | Sell | 1,841 | $68.79 | $127K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
In the News
🔥 High media attentionCoverage (30d): 9 reputable articles.
MarketWatchCoStar Group Inc. stock falls Monday, underperforms market18h agoMarketWatchCoStar Group Inc. stock falls Thursday, underperforms market4d agoMarketWatchCoStar Group Inc. stock falls Wednesday, underperforms market12d agoBarron'sGoogle’s Home Listings Will Now Be Widely Available. What It Means for Zillow, Rocket, CoStar Stocks.18d agoMarketWatchCoStar Group Inc. stock rises Tuesday, outperforms market20d ago
Reputable outlets only (Reuters, WSJ, CNBC, Barron's, and peers). More on Google News ↗
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