After hours
Sale
Calculated transaction value
$3.02M

Lee John Tseng-chung President & CEO

MKSI
Transaction date Aug 14, 2026
Public filing date Aug 17, 2026
Filing lag Filed 3 days later

MKSI daily price context

Close on/before transaction
$310.73 Aug 14, 2026
Close before public filing
$310.73 Aug 14, 2026
Return since public filing
-18.84% Through Sep 18, 2026

Source details

Reported owner
Not disclosed
Source asset code
Security
Security
Common Stock
Quantity / price
10,000 shares @ $302.01
SEC ownership
Direct
Transaction code
S
Form
4
Filing identifier
0001049502-26-000113
Filing cohort

Transactions in this filing

Showing 1 of 1
Trades
1
Issuers
1
Estimated value
$3.02M
Buys / sales
0 / 1
Transactions reported in the same official filing
Issuer Transaction Traded Value
Mks Inc MKSI Current Sale Aug 14, 2026 $3.02M