MKS INC (MKSI) insider trading

By person

32 insiders · 198 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

Carlyle Group Inc. entity

10% owner

—

$172.25M (1)

−$172.25M

6,482,732

9.59%

$1.63B

−23.6%

Carlyle Partners VI Cayman Holdings, L.P. entity

10% owner

—

$172.25M (1)

−$172.25M

6,482,732

9.59%

$1.63B

−23.6%

Gerald G Colella

Director

$117.51K (1)

$23.30M (26)

−$23.18M

29,016

0.0429%

$7.28M

−22.0%

John Tseng-Chung Lee

President & CEO

—

$16.65M (10)

−$16.65M

134,776

0.1993%

$33.82M

+4,955%

Seth H Bagshaw

EVP, CFO & Treasurer

—

$15.03M (22)

−$15.03M

<0.0001%

$197.76

−100.0%

Kathleen Flaherty Burke

EVP, GC & Secretary

—

$5.69M (6)

−$5.69M

49,439

0.0731%

$12.41M

+21.6%

David Philip Henry

EVP, Global Str Mktg & GM, MSD

$170.86K (1)

$4.15M (6)

−$3.98M

10,422

0.0154%

$2.62M

+463.2%

Gregory R Beecher

Director

—

$3.51M (3)

−$3.51M

1,981

0.0029%

$497.06K

−95.2%

James Alan Schreiner

EVP & COO

—

$2.80M (8)

−$2.80M

19,201

0.0284%

$4.82M

+1,535%

Ramakumar Mayampurath

EVP & CFO

—

$2.78M (1) scheduled

−$2.78M

<0.0001%

$285.84

—

Eric Robert Taranto

EVP & Gm, Vsd

—

$2.61M (4)

−$2.61M

12,596

0.0186%

$3.16M

+166.2%

John R Abrams

Sr. VP, Global Sales

—

$1.97M (4)

−$1.97M

6,864

0.0102%

$1.72M

+17.0%

Jacqueline F Moloney

Director

—

$1.79M (23)

−$1.79M

8,775

0.0130%

$2.20M

+129.0%

Elizabeth Mora

Director

—

$1.66M (42)

−$1.66M

18,845

0.0279%

$4.73M

+24.3%

Brian Charles Quirk

Sr. VP, Global Operations

—

$1.16M (8)

−$1.16M

17,641

0.0261%

$4.43M

+53.2%

Michelle M McCarthy

SVP & Chief Accounting Officer

—

$1.13M (3) scheduled

−$1.13M

<0.0001%

$388.74

—

Robert J Phillippy

Director

—

$1.09M (1)

−$1.09M

12,632

0.0187%

$3.17M

−38.8%

John Edward Williams

EVP & Gm, Psd

—

$869.18K (3)

−$869.18K

4,098

0.0061%

$1.03M

+249.0%

Peter Cannone III

Director

$30.01K (1)

$732.16K (2)

−$702.15K

7,794

0.0115%

$1.96M

—

Joseph B Donahue

Director

—

$688.70K (1)

−$688.70K

10,033

0.0148%

$2.52M

—

Richard S Chute

Director

—

$589.13K (3)

−$589.13K

6,616

0.0098%

$1.66M

−31.2%

Peter Hanley

Director

—

$551.25K (11)

−$551.25K

1,501

0.0022%

$376.75K

−60.8%

Dennis L Werth

Sr. VP, Business Units

—

$484.17K (3) scheduled

−$484.17K

9,239

0.0137%

$2.32M

—

Robert R Anderson

Director

—

$309.42K (2)

−$309.42K

29,424

0.0435%

$7.38M

−24.4%

Mark Milton Gitin

EVP & Gm, Psd

—

$236.51K (1)

−$236.51K

16,134

0.0239%

$4.05M

+230.7%

John R Bertucci

Director

—

67,275

0.0995%

$16.88M

−76.7%

Raj Batra

Director

—

16,227

0.0240%

$4.07M

—

Michelle M Warner

Director

—

10,852

0.0160%

$2.72M

—

Rick D Hess

Director

—

5,468

0.0081%

$1.37M

—

Wissam G Jabre

Director

—

5,270

0.0078%

$1.32M

—

Janice K Henry

Director

—

1,989

0.0029%

$499.08K

—

Geoffrey Wild

Director

—

1,813

0.0027%

$455.05K

—

MKS INC

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