Jacqueline F Moloney Mks Instruments Inc (MKSI) insider trading activity

Jacqueline F Moloney is Director of MKS INSTRUMENTS INC. Currently has a direct ownership of 11,562 shares of MKSI, which is worth approximately $1.65 Million. The most recent transaction as insider was on Oct 01, 2025, when has been sold 300 shares (Common Stock) at a price of $122.14 per share, resulting in proceeds of $36,642. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 11.6K

0% 3M change

15.83% 12M change

Total Value Held $1.65 Million

Jacqueline F Moloney Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 01 2025	SELL Open market or private sale	$36,642 $122.14 p/Share	300 Reduced 2.53%	11,562 Common Stock
Aug 01 2025	SELL Open market or private sale	$27,630 $92.1 p/Share	300 Reduced 2.47%	11,862 Common Stock
May 12 2025	BUY Grant, award, or other acquisition	-	2,479 Added 16.93%	12,162 Common Stock
Mar 03 2025	SELL Open market or private sale	$27,737 $92.46 p/Share	300 Reduced 3.01%	9,682 Common Stock
Dec 10 2024	SELL Open market or private sale	$34,440 $114.8 p/Share	300 Reduced 2.92%	9,982 Common Stock
Oct 01 2024	SELL Open market or private sale	$27,225 $108.9 p/Share	250 Reduced 2.37%	10,282 Common Stock
Aug 01 2024	SELL Open market or private sale	$30,865 $123.46 p/Share	250 Reduced 2.32%	10,532 Common Stock

May 07 2024	BUY Grant, award, or other acquisition	-	1,621 Added 13.07%	10,782 Common Stock
Mar 01 2024	SELL Open market or private sale	$30,722 $122.89 p/Share	250 Reduced 2.66%	9,161 Common Stock
Feb 16 2024	SELL Open market or private sale	$237,899 $124.1 p/Share	1,917 Reduced 16.92%	9,411 Common Stock
Dec 01 2023	SELL Open market or private sale	$20,557 $82.23 p/Share	250 Reduced 2.16%	11,328 Common Stock
Aug 28 2023	SELL Open market or private sale	$23,812 $95.25 p/Share	250 Reduced 2.11%	11,578 Common Stock
Jun 01 2023	SELL Open market or private sale	$21,861 $97.16 p/Share	225 Reduced 1.87%	11,828 Common Stock
May 16 2023	BUY Grant, award, or other acquisition	-	2,369 Added 16.43%	12,053 Common Stock
Mar 15 2023	SELL Open market or private sale	$19,500 $86.67 p/Share	225 Reduced 2.27%	9,684 Common Stock
Dec 01 2022	SELL Open market or private sale	$18,868 $83.86 p/Share	225 Reduced 2.22%	9,909 Common Stock
Oct 03 2022	SELL Open market or private sale	$18,931 $84.14 p/Share	225 Reduced 2.17%	10,134 Common Stock
May 10 2022	BUY Grant, award, or other acquisition	-	1,745 Added 14.42%	10,359 Common Stock
Nov 05 2021	SELL Bona fide gift	-	324 Reduced 3.62%	8,614 Common Stock
May 11 2021	BUY Grant, award, or other acquisition	-	1,146 Added 11.36%	8,938 Common Stock
Mar 17 2021	SELL Bona fide gift	-	285 Reduced 3.53%	7,791 Common Stock
Nov 23 2020	SELL Bona fide gift	-	368 Reduced 4.36%	8,076 Common Stock

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