LEE JOHN TSENG-CHUNG (President & COO) sold 6.9% of their position (10K shares) of MKS INC on the open market
Open‑market sale worth $3.02M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/17/2026ACC: 0001049502-26-000113
Officer· President & COO
Since Jan 2019
-10K
Net shares
Net seller
$3.02M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
10K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−10K
Price / share
$302.01
Trade value
$3.02M
% of position
6.9%
8/14/2026
144.78K→134.78K
Total
Net shares
−10K
Net value
-$3.02M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/14/2026 | S · Sale | −10K | $302.01 | $3.02M | 6.9% | 144.78K | 134.78K |
| Total | −10K | -$3.02M | ||||||
Derivative Transactions0
No derivative transactions reported