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 $12.8 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 $12.8 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

Track Institutional and Insider Activities on MKSI

Follow MKS INSTRUMENTS INC and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells MKSI shares.

Notify only if

Insider Trading

Get notified when an Mks Instruments Inc insider buys or sells MKSI shares.

Notify only if

News

Receive news related to MKS INSTRUMENTS INC

Track Activities on MKSI