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
Holding Value $2.61M 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
$335.15
Holding Value $2.94M 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
$335.15
Burke Kathleen Flaherty Evp, GC & Secretary
Holding Value $16.6M 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
$335.15
Jabre Wissam G Director
Holding Value $1.77M 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
$335.15
Taranto Eric Robert EVP & Gm, VSD
Holding Value $4.22M 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
$335.15
Mora Elizabeth Director
Holding Value $6.52M 19,445 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
$335.15
Donahue Joseph B Director
Holding Value $4.07M 12,132 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
$335.15
Colella Gerald G Director
Holding Value $3.02M 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
$335.15
Batra Raj Director
Holding Value $5.44M 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
$335.15
Williams John Edward EVP & Gm, PSD
Holding Value $1.53M 4,554 shares
Last Trade
Apr 17, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$223k 825 shares
$269.89
$335.15
Mc Carthy Michelle M SVP & Chief Accounting Officer
Holding Value $3.06M 9,124 shares
Last Trade
Apr 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$298k 1,107 shares
$269.00
$335.15
Holding Value $7.84M 23,401 shares
Last Trade
Feb 24, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.05M 4,100 shares
$255.00
$335.15
Lee John Tseng Chung President & CEO
Holding Value $53.1M 158,574 shares
Last Trade
Feb 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.29M 12,812 shares
$256.93
$335.15
Henry David Philip Evp, Global Str Mktg & Gm, MSD
Holding Value $6.31M 18,841 shares
Last Trade
Feb 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$523k 2,000 shares
$261.56
$335.15
Holding Value $2.95M 8,811 shares
Last Trade
Feb 17, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$656k 2,515 shares
$260.74
$335.15
Colella Gerard G Director
Holding Value $2.75M 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
$335.15
Lee John Tseng Chung President & CEO
Holding Value $49.3M 147,117 shares
Last Trade
Feb 18, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$2.83M 27,332 shares
$103.67
$335.15
Holding Value $3.64M 10,851 shares
Last Trade
May 07, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$200k 1,621 shares
$123.32
$335.15
Bagshaw Seth H Evp, CFO & Treasurer
Holding Value $4.23M 12,612 shares
Last Trade
Feb 22, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$4.05M 32,865 shares
$123.28
$335.15
Gitin Mark Milton EVP & Gm, PSD
Holding Value $6.02M 17,953 shares
Last Trade
Feb 15, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$360k 2,906 shares
$123.85
$335.15

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