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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

Insider Activity

◆ Cluster Buy · 4 insiders

In the 90 days to Mar 6, 2026: 4 insiders bought $3.5M.

DateInsiderActionSharesPriceValue
Mar 6, 2026Sams Louise SDirectorBuy1,000$48.36$48K
Mar 2, 2026Saint Frederick G.President, MarketplacesBuy20,000$45.33$907K
Mar 2, 2026Glaser Rachel CDirectorBuy1,000$44.94$45K
Feb 27, 2026Florance Andrew CPresident and CEOBuy55,720$44.52$2.5M
Nov 13, 2025Hill John WDirectorSell2,250$68.68$155K
Nov 13, 2025Cann Cynthia CammettChief Accounting OfficerSell1,841$68.79$127K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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