Lee John Tseng-Chung - Insider Non-Derivative Transactions at MKS INSTRUMENTS INC (MKSI) - (SEC)

Updated on December 12, 2024.

According to recent SEC insider information filed on Feb 15, 2024, Lee John Tseng-Chung's relationship to MKS INSTRUMENTS INC (MKSI) is Director,Officer (President & CEO), and currently has 142,672.01 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MKSI insiders.

Data Source: SEC.
Lee John Tseng-Chung - Insider Non-Derivative Transactions of MKSI Common Stock
Lee John Tseng-Chung - Insider Non-Derivative Transactions at MKSI
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Date Transaction No. of Shares Price Per Share Shares Owned After Transactions
Feb 16, 2024 M -- (Common Stock) 9235.4 0 87373.16
Feb 16, 2024 M -- (Common Stock) 3777.85 0 91151.01
Feb 16, 2024 M -- (Common Stock) 14041 0 105192.01
Feb 16, 2024 M -- (Common Stock) 6734 0 111926.01
Feb 16, 2024 F -- (Common Stock) 30231 122.15 112441.01
Feb 16, 2024 M -- (Common Stock) 23093 0 135019.01
Feb 16, 2024 M -- (Common Stock) 7653 0 142672.01
Dec 2, 2023 F -- (Common Stock) 3275 84.19 78138.61
Dec 2, 2023 M -- (Common Stock) 390 0 78528.61
Dec 2, 2023 M -- (Common Stock) 1186 0 79714.61
Dec 2, 2023 M -- (Common Stock) 160 0 79874.61
Dec 2, 2023 M -- (Common Stock) 569 0 80443.61
Dec 2, 2023 M -- (Common Stock) 970 0 81413.61
Feb 16, 2023 M -- (Common Stock) 7535.72 0 59229.85
Feb 16, 2023 M -- (Common Stock) 4281.59 0 63511.44
Feb 16, 2023 M -- (Common Stock) 9624 0 73135.44
Feb 16, 2023 M -- (Common Stock) 3937 0 77072.44
Feb 16, 2023 F -- (Common Stock) 20862 100.29 77862.44
Feb 16, 2023 M -- (Common Stock) 14634 0 91706.44
Feb 16, 2023 M -- (Common Stock) 7018 0 98724.44