John W Hill Costar Group, Inc. (CSGP) insider trading activity

John W Hill is Director of COSTAR GROUP, INC.. Currently has a direct ownership of 20,481 shares of CSGP, which is worth approximately $1.62 Million. The most recent transaction as insider was on Sep 09, 2025, when has been sold 3,177 shares (Common Stock, par value $0.01 per share) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 20.5K

18.36% 3M change

23.79% 12M change

Total Value Held $1.62 Million

John W Hill Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 09 2025	BUY Grant, award, or other acquisition	-	3,177 Added 13.43%	20,481 Common Stock, par valu...
Dec 10 2024	SELL Bona fide gift	-	195 Reduced 1.11%	17,304 Common Stock, par valu...
Dec 10 2024	SELL Open market or private sale	$209,938 $76.76 p/Share	2,735 Reduced 13.52%	17,499 Common Stock, par valu...
Jul 30 2024	SELL Open market or private sale	$103,562 $78.16 p/Share	1,325 Reduced 7.41%	16,545 Common Stock, par valu...
Jul 17 2024	BUY Grant, award, or other acquisition	-	3,689 Added 15.42%	20,234 Common Stock, par valu...
Nov 28 2023	SELL Open market or private sale	$253,891 $84.07 p/Share	3,020 Reduced 14.46%	17,870 Common Stock, par valu...
Oct 30 2023	BUY Grant, award, or other acquisition	-	3,956 Added 15.92%	20,890 Common Stock, par valu...
Jun 26 2023	SELL Open market or private sale	$129,854 $86.57 p/Share	1,500 Reduced 8.14%	16,934 Common Stock, par valu...
Mar 31 2023	SELL Open market or private sale	$157,550 $68.5 p/Share	2,300 Reduced 11.09%	18,434 Common Stock, par valu...
Nov 03 2022	SELL Open market or private sale	$288,058 $78.92 p/Share	3,650 Reduced 14.97%	20,734 Common Stock, par valu...
Sep 14 2022	BUY Grant, award, or other acquisition	-	3,786 Added 13.44%	24,384 Common Stock, par valu...
Aug 10 2022	SELL Open market or private sale	$104,286 $74.49 p/Share	1,400 Reduced 6.36%	20,598 Common Stock, par valu...
May 24 2022	SELL Open market or private sale	$99,872 $57.07 p/Share	1,750 Reduced 7.37%	21,998 Common Stock, par valu...
Oct 29 2021	SELL Open market or private sale	$803,168 $86.97 p/Share	9,235 Reduced 27.85%	23,923 Common Stock, par valu...
Sep 15 2021	BUY Grant, award, or other acquisition	$280,015 $88.95 p/Share	3,148 Added 8.67%	33,158 Common Stock, par valu...
Aug 09 2021	SELL Open market or private sale	$528,343 $85.77 p/Share	6,160 Reduced 16.94%	30,200 Common Stock, par valu...
Mar 26 2021	SELL Bona fide gift	-	190 Reduced 0.63%	30,010 Common Stock, par valu...

JWH

John W Hill

Director

Washington, DC

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