Mks Instruments Inc

Ownership Transactions Reported by 21 Insiders

Symbol
MKSI on Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
Location
2 Tech Drive, Suite 201, Andover, MA

Insiders trading volume in the past year

Mks Instruments Inc executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Carlyle Group Inc. 10%+ Owner $713M May 8, 2023
Carlyle Partners VI Cayman Holdings, L.P. 10%+ Owner $713M May 8, 2023
John Tseng-Chung Lee President & CEO, Director $24.7M Feb 18, 2025
Geoffrey Wild Director $11.8M Aug 17, 2022
Kathleen Flaherty Burke EVP, GC & Secretary $7.12M Feb 18, 2025
Gerard G. Colella Director $4.99M -$836K -14.3% May 12, 2025
James Alan Schreiner Evp & Coo $4.37M -$202K -4.42% Sep 18, 2025
David Philip Henry EVP, Global Str Mktg & GM, MSD $3.4M -$860K -20.2% Sep 18, 2025
Mark Milton Gitin Evp & Gm, Psd $3.33M Feb 15, 2024
Seth H. Bagshaw EVP, CFO & Treasurer $3.14M Feb 22, 2024
Eric Robert Taranto Evp & Gm, Vsd $2.77M Feb 18, 2025
Ramakumar Mayampurath EVP, CFO & Treasurer $2.56M Feb 18, 2025
Elizabeth Mora Director $1.92M -$111K -5.46% Sep 2, 2025
Michelle M. Warner Director $1.44M May 7, 2024
Jacqueline F. Moloney Director $1.41M -$126K -8.22% Oct 1, 2025
Raj Batra Director $1.13M May 12, 2025
Michelle M. McCarthy VP & Chief Accounting Officer $981K Apr 15, 2025
John Edward Williams Evp & Gm, Psd $949K Aug 15, 2025
Joseph B. Donahue Director $831K May 12, 2025
Peter Cannone III Director $704K May 12, 2025
Wissam Jabre Director $329K May 12, 2025

Recent Insider Transactions by Companies or Individuals for Mks Instruments Inc

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.