InsiderClue
Stocks · Technology · Industrial Instruments For Measurement, Display, and Control

MKS INC

MKSI Clue Score38
United States Fiscal year ends December CIK 0001049502 Results filed 4 Nov 2026
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What the insiders did Net selling

Individual transactions

18
Insider
Date
Role
Action
Shares
Price
Amount
Elizabeth Mora
1 Sep 2026
Director
Sold on a plan
300
$250.96
$75.29K
John Tseng-Chung Lee
14 Aug 2026
President & CEO
Sold on a plan
10,000
$302.01
$3.02M
John Edward Williams
3 Aug 2026
EVP & Gm, Psd
Sold on a plan
457
$288.31
$131.76K
James Alan Schreiner
10 Jun 2026
EVP & COO
Sold on a plan
781
$317.42
$247.91K
Michelle M McCarthy
5 Jun 2026
SVP & Chief Accounting Officer
Sold on a plan
2,434
$315.23
$767.27K
Elizabeth Mora
1 Jun 2026
Director
Sold on a plan
300
$318.02
$95.41K
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
2,800
$338.58
$948.02K
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
213
$337.05
$71.79K
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
1,626
$336.54
$547.22K
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
1,811
$335.46
$607.51K
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
4,876
$332.04
$1.62M
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
8,210
$331.45
$2.72M
Gerald G Colella
27 May 2026
Director
Sold on a plan indirect
464
$330.38
$153.30K
David Philip Henry
26 May 2026
EVP, Global Str Mktg & GM, MSD
Sold on a plan
2,500
$330.50
$826.25K
John Tseng-Chung Lee
22 May 2026
President & CEO
Sold on a plan
10,000
$315.48
$3.15M
Ramakumar Mayampurath
22 May 2026
EVP & CFO
Sold on a plan
8,810
$315.48
$2.78M
Elizabeth Mora
2 Mar 2026
Director
Sold on a plan
300
$239.44
$71.83K
Elizabeth Mora
2 Dec 2025
Director
Sold on a plan
300
$158.81
$47.64K
Show all 45 transactions →

What was left out

Form 4 filings counted 58
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 18
Sales straight out of an exercise 0
Sales at will 27
Transactions with no price 0
Shares from compensation/vesting 197,169
History held since 3 Oct 2006