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 $7.45M 19,145 shares
Last Trade
Jun 01, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$95.4k 300 shares
$318.02
$389.17
Henry David Philip Evp, Global Str Mktg & Gm, MSD
Holding Value $4.06M 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
$389.17
Donlan Renee Martel Evp, GC & CCO
Holding Value $3.69M 9,471 shares
Last Trade
Jun 01, 2026 Sale
$295k 929 shares
$317.62
$389.17
Colella Gerald G Director
Holding Value $15.4M 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
$389.17
Donahue Joseph B Director
Holding Value $3.9M 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
$389.17
Holding Value $389 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
$389.17
Lee John Tseng Chung President & CEO
Holding Value $56.3M 144,696 shares
Last Trade
May 22, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.15M 10,000 shares
$315.48
$389.17
Holding Value $3.03M 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
$389.17
Holding Value $3.41M 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
$389.17
Jabre Wissam G Director
Holding Value $2.05M 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
$389.17
Burke Kathleen Flaherty Evp, GC & Secretary
Holding Value $19.2M 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
$389.17
Batra Raj Director
Holding Value $6.32M 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
$389.17
Taranto Eric Robert EVP & Gm, VSD
Holding Value $4.9M 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
$389.17
Colella Gerald G Director
Holding Value $3.5M 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
$389.17
Williams John Edward EVP & Gm, PSD
Holding Value $2.65M 6,812 shares
Last Trade
Apr 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$485k 1,740 shares
$278.59
$389.17
Mc Carthy Michelle M SVP & Chief Accounting Officer
Holding Value $948k 2,435 shares
Last Trade
Apr 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$377k 1,375 shares
$274.15
$389.17
Holding Value $9.11M 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
$389.17
Lee John Tseng Chung President & CEO
Holding Value $60.2M 154,696 shares
Last Trade
Feb 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$491k 1,890 shares
$259.70
$389.17
Colella Gerard G Director
Holding Value $3.2M 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
$389.17
Holding Value $4.22M 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
$389.17

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