Claire Herkes Gartner Inc (IT) insider trading activity

Claire Herkes is EVP, Conferences of GARTNER INC. Currently has a direct ownership of 4,074 shares of IT, which is worth approximately $941,216. The most recent transaction as insider was on Dec 03, 2025, when has been sold 367 shares (Common Stock) at a price of $231.56 per share, resulting in proceeds of $84,982. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 4.07K

0% 3M change

172.69% 12M change

Total Value Held $941,216

Claire Herkes Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 03 2025	SELL Open market or private sale	$84,982 $231.56 p/Share	367 Reduced 8.26%	4,074 Common Stock
Nov 28 2025	SELL Payment of exercise price or tax liability	$73,545 $232.74 p/Share	316 Reduced 6.64%	4,441 Common Stock
Nov 28 2025	SELL Sale (or disposition) back to the issuer	$551,361 $232.74 p/Share	2,369 Reduced 33.24%	4,757 Common Stock
Nov 28 2025	BUY Exercise of conversion of derivative security	$551,313 $180.64 p/Share	3,052 Added 29.99%	7,126 Common Stock
May 16 2025	SELL Open market or private sale	$84,067 $447.17 p/Share	188 Reduced 4.41%	4,074 Common Stock
Feb 10 2025	SELL Payment of exercise price or tax liability	$474,925 $528.87 p/Share	898 Reduced 17.4%	4,262 Common Stock
Feb 10 2025	BUY Exercise of conversion of derivative security	-	1,937 Added 27.29%	5,160 Common Stock

Feb 09 2025	SELL Payment of exercise price or tax liability	$375,795 $529.29 p/Share	710 Reduced 18.05%	3,223 Common Stock
Feb 09 2025	BUY Exercise of conversion of derivative security	-	1,868 Added 33.99%	3,627 Common Stock
Feb 08 2025	SELL Payment of exercise price or tax liability	$147,671 $529.29 p/Share	279 Reduced 11.9%	2,065 Common Stock
Feb 08 2025	BUY Exercise of conversion of derivative security	-	850 Added 26.61%	2,344 Common Stock
Nov 27 2024	SELL Open market or private sale	$214,229 $521.24 p/Share	411 Reduced 21.57%	1,494 Common Stock
Sep 13 2024	SELL Open market or private sale	$241,872 $506.01 p/Share	478 Reduced 20.06%	1,905 Common Stock
Aug 27 2024	SELL Open market or private sale	$323,757 $483.22 p/Share	670 Reduced 21.95%	2,383 Common Stock
Jul 16 2024	SELL Payment of exercise price or tax liability	$83,268 $455.02 p/Share	183 Reduced 5.66%	3,053 Common Stock
Jul 15 2024	BUY Exercise of conversion of derivative security	-	394 Added 10.85%	3,236 Common Stock
Mar 14 2024	SELL Open market or private sale	$694,609 $475.76 p/Share	1,460 Reduced 33.94%	2,842 Common Stock
Feb 10 2024	SELL Payment of exercise price or tax liability	$368,498 $463.52 p/Share	795 Reduced 15.6%	4,302 Common Stock
Feb 10 2024	BUY Exercise of conversion of derivative security	-	1,937 Added 27.54%	5,097 Common Stock
Feb 09 2024	SELL Payment of exercise price or tax liability	$334,197 $463.52 p/Share	721 Reduced 18.58%	3,160 Common Stock
Feb 09 2024	BUY Exercise of conversion of derivative security	-	1,869 Added 35.03%	3,467 Common Stock
Feb 05 2024	SELL Payment of exercise price or tax liability	$78,924 $469.79 p/Share	168 Reduced 7.71%	2,012 Common Stock
Feb 05 2024	BUY Exercise of conversion of derivative security	-	486 Added 18.23%	2,180 Common Stock
Dec 15 2023	SELL Open market or private sale	$94,836 $449.46 p/Share	211 Reduced 11.08%	1,694 Common Stock
Nov 28 2023	SELL Open market or private sale	$66,472 $431.64 p/Share	154 Reduced 7.48%	1,905 Common Stock

Claire Herkes

EVP, Conferences

Stamford, CT

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