Insider Shareholders with Direct Ownership of Mks Instruments Inc (MKSI)
This section provides a comprehensive overview of the insiders with direct ownership of Mks Instruments Inc (MKSI). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
MKS INSTRUMENTS INC Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
John Tseng Chung Lee
President & CEO |
234,883 | 110,340 | 147,269 $21 Million | 16 |
Oct 31, 2025
Reduced 1.34%
|
|
Kathleen Flaherty Burke
EVP, GC & Secretary |
56,488 | 40,974 | 51,074 $7.29 Million | 18 |
Oct 31, 2025
Reduced 1.5%
|
|
James Alan Schreiner
EVP & COO |
38,270 | 17,762 | 22,534 $3.22 Million | 21 |
Oct 22, 2025
Reduced 3.06%
|
|
Elizabeth Mora
Director |
9,360 | 5,900 | 18,963 $2.71 Million | 26 |
Dec 02, 2025
Reduced 1.56%
|
|
Eric Robert Taranto
EVP & GM, VSD |
20,929 | 7,962 | 17,466 $2.49 Million | 19 |
Feb 18, 2025
Reduced 9.15%
|
|
Mark Milton Gitin
EVP & GM, PSD |
20,702 | 9,448 | 16,133 $2.3 Million | 17 |
Feb 15, 2024
Reduced 13.66%
|
|
David Philip Henry
EVP, Global Str Mktg & GM, MSD |
29,468 | 15,585 | 15,571 $2.22 Million | 20 |
Sep 18, 2025
Reduced 24.31%
|
|
Raj Batra
Director |
9,360 | 0 | 15,445 $2.2 Million | 5 |
May 12, 2025
Added 13.83%
|
|
Jacqueline F Moloney
Director |
9,360 | 6,244 | 11,562 $1.65 Million | 22 |
Oct 01, 2025
Reduced 2.53%
|
|
Joseph B Donahue
Director |
9,360 | 0 | 11,350 $1.62 Million | 5 |
May 12, 2025
Added 17.93%
|
|
Michelle M Warner
Director |
6,881 | 0 | 10,851 $1.55 Million | 4 |
May 07, 2024
Added 13.0%
|
|
Peter Cannone Iii
Director |
9,610 | 0 | 9,612 $1.37 Million | 6 |
May 12, 2025
Added 20.5%
|
|
Gerard G Colella
Director |
9,360 | 0 | 8,216 $1.17 Million | 5 |
May 12, 2025
Added 23.18%
|
|
Ramakumar Mayampurath
EVP & CFO |
8,295 | 2,628 | 5,667 $808,907 | 2 |
Nov 17, 2025
Reduced 31.68%
|
|
Wissam G Jabre
Director |
4,487 | 0 | 4,487 $640,474 | 2 |
May 12, 2025
Added 35.59%
|
|
John Edward Williams
EVP & GM, PSD |
6,345 | 3,881 | 3,640 $519,573 | 9 |
Aug 15, 2025
Reduced 7.8%
|
|
Geoffrey Wild
Director |
1,813 | 0 | 1,813 $258,787 | 1 |
Aug 17, 2022
Added 50.0%
|
|
Michelle M Mc Carthy
VP & Chief Accounting Officer |
2,074 | 608 | 1,466 $209,256 | 2 |
Apr 15, 2025
Reduced 29.32%
|
|
Seth H Bagshaw
EVP, CFO & Treasurer |
83,293 | 103,199 | 0 $0 | 23 |
Feb 22, 2024
Reduced 100.0%
|