Insider Transactions Reported by 21 Insiders of MKS INC

Symbol
MKSI on Nasdaq
Location
Andover, MA

Insiders trading volume in the past year

MKS 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 08 May 2023
Carlyle Partners VI Cayman Holdings, L.P. 10%+ Owner $713M 08 May 2023
John Tseng-Chung Lee President & CEO, Director $30.6M 31 Oct 2025
GEOFFREY WILD Director $11.8M 17 Aug 2022
Kathleen Flaherty Burke EVP, GC & Secretary $9.18M 31 Oct 2025
GERALD G. COLELLA Director $4.99M -$836K -14.3% 12 May 2025
James Alan Schreiner Evp & Coo $4.61M -$301K -6.12% 22 Oct 2025
David Philip Henry EVP, Global Str Mktg & GM, MSD $3.4M -$860K -20.2% 18 Sep 2025
Ramakumar Mayampurath Evp & Cfo $3.37M 17 Nov 2025
Mark Milton Gitin Evp & Gm, Psd $3.33M 15 Feb 2024
SETH H. BAGSHAW EVP, CFO & Treasurer $3.14M 22 Feb 2024
Elizabeth Mora Director $3.01M -$128K -4.06% 02 Dec 2025
Eric Robert Taranto Evp & Gm, Vsd $2.77M 18 Feb 2025
Michelle M. Warner Director $1.44M 07 May 2024
Jacqueline F. Moloney Director $1.41M -$92K -6.12% 01 Oct 2025
Raj Batra Director $1.13M 12 May 2025
Michelle M. McCarthy VP & Chief Accounting Officer $981K 15 Apr 2025
John Edward Williams Evp & Gm, Psd $949K 15 Aug 2025
Joseph B. Donahue Director $831K 12 May 2025
PETER CANNONE III Director $704K 12 May 2025
WISSAM JABRE Director $329K 12 May 2025

Recent Insider Transactions by Companies or Individuals for MKS 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.