MKS INC (MKSI) insider trading

By person

15 insiders · 45 transactions

32.5×

John T.C. Lee holds 32.5 times base salary in stock. $33.82M of shares against $1.04M in salary for 2025.

Salary from the company's own proxy. The shares are what John T.C. Lee last reported holding, valued at $250.96, the price Common Stock was last bought or sold at on the open market here, on 1 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

John Tseng-Chung Lee

President & CEO

—

$13.88M (6)

−$13.88M

134,776

0.1993%

$33.82M

+19.3%

Gerald G Colella

Director

—

$11.74M (9) scheduled

−$11.74M

29,016

0.0429%

$7.28M

−60.7%

David Philip Henry

EVP, Global Str Mktg & GM, MSD

—

$3.24M (3)

−$3.24M

10,422

0.0154%

$2.62M

−39.0%

Ramakumar Mayampurath

EVP & CFO

—

$2.78M (1) scheduled

−$2.78M

<0.0001%

$285.84

—

James Alan Schreiner

EVP & COO

—

$2.50M (5)

−$2.50M

19,201

0.0284%

$4.82M

+0.4%

Kathleen Flaherty Burke

EVP, GC & Secretary

—

$2.46M (2)

−$2.46M

49,439

0.0731%

$12.41M

+13.7%

Eric Robert Taranto

EVP & Gm, Vsd

—

$2.28M (3)

−$2.28M

12,596

0.0186%

$3.16M

−7.0%

Michelle M McCarthy

SVP & Chief Accounting Officer

—

$1.13M (3) scheduled

−$1.13M

<0.0001%

$388.74

—

Jacqueline F Moloney

Director

—

$1.04M (4)

−$1.04M

8,775

0.0130%

$2.20M

−14.7%

Peter Cannone III

Director

—

$732.16K (2)

−$732.16K

7,794

0.0115%

$1.96M

+9.3%

Joseph B Donahue

Director

—

$688.70K (1)

−$688.70K

10,033

0.0148%

$2.52M

+13.1%

John Edward Williams

EVP & Gm, Psd

—

$655.50K (2)

−$655.50K

4,098

0.0061%

$1.03M

+31,422%

Elizabeth Mora

Director

—

$290.17K (4) scheduled

−$290.17K

18,845

0.0279%

$4.73M

+5.1%

Raj Batra

Director

—

16,227

0.0240%

$4.07M

+25.2%

Wissam G Jabre

Director

—

5,270

0.0078%

$1.32M

+162.4%

MKS INC

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