TOP TIERMARKET NEWSWIRE
SEC Form 4 history

COSTAR GROUP INC (CSGP) insider trades

COSTAR GROUP INC (CSGP) insider trading activity (SEC Form 4). Over the trailing 90 days, CSGP insiders filed 1 purchases totalling $2.5M and 2 sales totalling $253K — net BUYING of $2.2M. Most recent filing: Aug 10, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

Public view, delayed 4h. Real-time alerting on insider filings is a Pro feature.Open in the live terminal →
Buys (90d)
1
$2.5M
Sells (90d)
2
$253K
Net (90d)
+$2.2M
net buying
Most recent
Aug 10, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Aug 10, 2026Cann Cynthia CammettChief Accounting OfficerS Sale—$30.78$147Kfiling
Aug 10, 2026Hill John WDirS Sale—$30.21$106Kfiling
Aug 5, 2026Florance Andrew CFounder, CEOP Purchase—$29.89$2.5Mfiling