Lee John Tseng-Chung Insider Trades

Insider Trading History

Track insider trading activity for Lee John Tseng-Chung. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
MKS Instruments
MKS Instruments MKSI
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
Cognex
Cognex CGNX
Director
Holding Value $0 0 shares
Last Trade
Feb 21, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$163k 2,913 shares
$56.03
$63.96
Cognex
Cognex CGNX
Director
Holding Value $1.59M 24,820 shares
Last Trade
Feb 21, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$163k 2,913 shares
$56.03
$63.96
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $60.9M 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
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $66.7M 171,386 shares
Last Trade
Feb 20, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.41M 13,310 shares
$256.05
$389.17
MKS Instruments
MKS Instruments MKSI
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
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $61.7M 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
$389.17
Cognex
Cognex CGNX
Director
Holding Value $1.4M 21,907 shares
Last Trade
Feb 18, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$472k 8,324 shares
$56.72
$63.96
Cognex
Cognex CGNX
Director
Holding Value $0 0 shares
Last Trade
Feb 18, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$472k 8,324 shares
$56.72
$63.96
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $71.9M 184,696 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.
$8.49M 32,548 shares
$260.74
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $48.6M 124,975 shares
Last Trade
Feb 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.01M 7,653 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $51.6M 132,629 shares
Last Trade
Feb 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$5.81M 22,088 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $47.1M 121,116 shares
Last Trade
Feb 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.01M 3,859 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $44.3M 113,908 shares
Last Trade
Feb 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.9M 7,208 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $73.2M 188,163 shares
Last Trade
Feb 17, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.9M 7,208 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $60.2M 154,717 shares
Last Trade
Feb 17, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$4.1M 15,592 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $65.9M 169,443 shares
Last Trade
Feb 17, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$5.81M 22,088 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $68.9M 177,096 shares
Last Trade
Feb 17, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.01M 7,653 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $70.4M 180,955 shares
Last Trade
Feb 17, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.01M 3,859 shares
$262.94
$389.17
MKS Instruments
MKS Instruments MKSI
President & CEO
Holding Value $33M 84,828 shares
Last Trade
Feb 17, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$3.18M 12,091 shares
$262.94
$389.17

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