MKS Inc.
Last updated September 27, 2026
Organization details
- Legal name
- MKS Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- MKSI
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001049502
Board of directors
-
Elizabeth Mora · DirectorSince 2023
-
Gerard G. Colella · DirectorSince 2023
-
Jacqueline F. Moloney · DirectorSince 2023
-
John Tseng-Chung Lee · Director · President & CEOSince 2023
-
Joseph B. Donahue · DirectorSince 2023
-
Michelle M. Warner · DirectorSince 2023
-
Peter Cannone III · DirectorSince 2023
-
Raj Batra · DirectorSince 2023
Chief executives
John Tseng-Chung Lee
· President & CEO
Dates unknown
Board connections
3 of this board's directors also sit on 5 other boards.
- via John Tseng-Chung Lee
- via Gerard G. Colella
- via Elizabeth Mora
- via Elizabeth Mora
- via Elizabeth Mora
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 3, 2024 | Elizabeth Mora Director | Open-market sale | −275 | $115.97 | $31,892 |
| Aug 19, 2024 | Schreiner James Alan Officer (EVP & COO, MSD) | Option exercise | +3,961 | — | — |
| Aug 19, 2024 | Schreiner James Alan Officer (EVP & COO, MSD) | Shares withheld for tax | −1,873 | $119.09 | $223,056 |
| Aug 16, 2024 | Williams John Edward Officer (EVP & GM, PSD) | Open-market sale | −1,800 | $118.71 | $213,678 |
| Aug 15, 2024 | Williams John Edward Officer (EVP & GM, PSD) | Option exercise | +946 | — | — |
| Aug 15, 2024 | Williams John Edward Officer (EVP & GM, PSD) | Shares withheld for tax | −307 | $113.91 | $34,970 |
| Aug 1, 2024 | Jacqueline F. Moloney Director | Open-market sale | −250 | $123.46 | $30,865 |
| Jun 3, 2024 | Elizabeth Mora Director | Open-market sale | −275 | $129.41 | $35,588 |
| May 7, 2024 | Michelle M. Warner Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Jacqueline F. Moloney Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Elizabeth Mora Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Joseph B. Donahue Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Peter Cannone III Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Raj Batra Director | Grant or award | +1,622 | — | — |
| May 7, 2024 | Gerard G. Colella Director | Grant or award | +1,622 | — | — |
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