John Tseng Chung Lee is President & CEO of MKS INSTRUMENTS INC. Currently has a direct ownership of 112,441 shares of MKSI, which is worth approximately $12.9 Million. The most recent transaction as insider was on Feb 15, 2024, when has been sold 30,231 shares (Common Stock) at a price of $122.15 per share, resulting in proceeds of $3,692,716. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 112K
0% 3M change
44.41% 12M change
Total Value Held $12.9 Million

John Tseng-Chung Lee Transaction History

Date Transaction Value Shares Traded Shares Held Form
Feb 15 2024
SELL
Payment of exercise price or tax liability
$3,692,716 $122.15 p/Share
30,231 Reduced 21.19%
112,441 Common Stock
Feb 15 2024
BUY
Exercise of conversion of derivative security
-
64,533 Added 31.14%
142,672 Common Stock
Dec 01 2023
SELL
Payment of exercise price or tax liability
$275,722 $84.19 p/Share
3,275 Reduced 4.02%
78,138 Common Stock
Dec 01 2023
BUY
Exercise of conversion of derivative security
-
3,275 Added 3.87%
81,413 Common Stock
Feb 15 2023
SELL
Payment of exercise price or tax liability
$2,092,249 $100.29 p/Share
20,862 Reduced 21.13%
77,862 Common Stock
Feb 15 2023
BUY
Exercise of conversion of derivative security
-
47,029 Added 32.27%
98,724 Common Stock
Feb 15 2022
SELL
Payment of exercise price or tax liability
$2,111,139 $152.55 p/Share
13,839 Reduced 21.18%
51,516 Common Stock
Feb 15 2022
BUY
Exercise of conversion of derivative security
-
31,196 Added 32.31%
65,355 Common Stock
Feb 16 2021
SELL
Payment of exercise price or tax liability
$1,688,249 $172.2 p/Share
9,804 Reduced 22.38%
34,001 Common Stock
Feb 16 2021
BUY
Exercise of conversion of derivative security
-
22,093 Added 33.53%
43,805 Common Stock

Also insider at

CGNX
COGNEX CORP Technology
JTL

John Tseng Chung Lee

President & CEO
Natick, MA

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