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MKSI Exercise Disclosure
Lee John Tseng-chung · SEC Form 4 · Filed Nov 3, 2026
Exercise
Reported value range
Not reported
Lee John Tseng-chung President & CEO
MKSI
MKS Inc
MKSI
Transaction date
Oct 30, 2026
Public filing date
Nov 3, 2026
Filing lag
Filed 4 days later
MKSI daily price context
Close on/before transaction
$202.04
Oct 30, 2026
First close after public filing
$194.95
Nov 4, 2026
Return after filing · so far
+15.93%
Through Nov 11, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 1478.86 shares
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001049502-26-000122
Filing cohort
Transactions in this filing
Showing 5 of 5
Trades
5
Issuers
1
Estimated value
$435.89K
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Mks Inc MKSI Current | Exercise | Oct 30, 2026 | Not reported |
| Mks Inc MKSI | Disposition | Oct 30, 2026 | $435.89K |
| Mks Inc MKSI | Exercise | Oct 30, 2026 | Not reported |
| Mks Inc MKSI | Exercise | Oct 30, 2026 | Not reported |
| Mks Inc MKSI | Exercise | Oct 30, 2026 | Not reported |