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Lee John Tseng-Chung
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Include option trades
EDGAR CIK
0001414656
MKS INC - MKSI
Manufacturing
Specialty Instruments
Industrial Instruments For Measurement, Display, And Control
CEO
Director
President & CEO
Direct Buys
0
$0
0
Shares
Direct Sells
2
($10.86) M
-40,000
Shares
Indirect Buys
0
$0
0
Shares
Indirect Sells
0
$0
0
Shares
Monthly Values
Show Transactions
Transaction
Filed
Type
Shares @ Price
Value
Balance ( Change % )
Ownership
05/22/2026
10b5-1
05/26/2026
Sell
-10,000 @ $315.48
($3,154,800)
144,696
(-6.46%)
Direct
02/20/2026
02/23/2026
Sell
-30,000 @ $256.77
($7,703,242)
154,696
(-16.24%)
Direct