MKS Instruments Insider Trades

MKSI

Track insider trading activity from MKS Instruments executives and directors. See which insiders are buying and selling MKSI stock.

Trades Last 12 Months

MKSI Price

All Insider Trades for MKS Instruments

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Mora Elizabeth Director
Holding Value $3.7M 18,845 shares
Last Trade
Sep 01, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$75.3k 300 shares
$250.96
$196.54
Donlan Renee Martel Evp, GC & CCO
Holding Value $939k 4,780 shares
Last Trade
Aug 17, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$306k 954 shares
$320.74
$196.54
Lee John Tseng Chung President & CEO
Holding Value $26.5M 134,776 shares
Last Trade
Aug 14, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.02M 10,000 shares
$302.01
$196.54
Williams John Edward EVP & Gm, PSD
Holding Value $805k 4,097 shares
Last Trade
Aug 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$132k 457 shares
$288.31
$196.54
Holding Value $3.98M 20,230 shares
Last Trade
Jun 12, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.21M 3,500 shares
$345.82
$196.54
Mc Carthy Michelle M SVP & Chief Accounting Officer
Holding Value $197 1 shares
Last Trade
Jun 05, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$767k 2,434 shares
$315.23
$196.54
Henry David Philip Evp, Global Str Mktg & Gm, MSD
Holding Value $2.05M 10,421 shares
Last Trade
Jun 01, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.89M 6,000 shares
$314.43
$196.54
Donahue Joseph B Director
Holding Value $1.97M 10,032 shares
Last Trade
May 27, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$689k 2,100 shares
$327.95
$196.54
Colella Gerald G Director
Holding Value $7.77M 39,553 shares
Last Trade
May 27, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$6.67M 20,000 shares
$333.40
$196.54
Holding Value $197 1 shares
Last Trade
May 22, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.78M 8,810 shares
$315.48
$196.54
Holding Value $1.53M 7,794 shares
Last Trade
May 18, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$410k 1,350 shares
$303.40
$196.54
Holding Value $1.72M 8,775 shares
Last Trade
May 14, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$312k 1,000 shares
$312.20
$196.54
Burke Kathleen Flaherty Evp, GC & Secretary
Holding Value $9.72M 49,439 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.39M 4,355 shares
$319.94
$196.54
Batra Raj Director
Holding Value $3.19M 16,227 shares
Last Trade
May 11, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 781 shares
$319.71
$196.54
Jabre Wissam G Director
Holding Value $1.04M 5,269 shares
Last Trade
May 11, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 781 shares
$319.71
$196.54
Colella Gerald G Director
Holding Value $1.77M 8,998 shares
Last Trade
May 11, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 781 shares
$319.71
$196.54
Taranto Eric Robert EVP & Gm, VSD
Holding Value $2.48M 12,596 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$911k 2,848 shares
$319.93
$196.54
Mc Carthy Michelle M SVP & Chief Accounting Officer
Holding Value $2.2M 11,199 shares
Last Trade
Apr 15, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$450k 1,672 shares
$269.00
$196.54
Lee John Tseng Chung President & CEO
Holding Value $30.8M 156,586 shares
Last Trade
Feb 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$513k 1,988 shares
$257.81
$196.54
Colella Gerard G Director
Holding Value $1.61M 8,216 shares
Last Trade
May 12, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$225k 2,479 shares
$90.75
$196.54

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