LEE JOHN TSENG-CHUNG (President & COO) sold 6.5% of their position (10K shares) of MKS INC on the open market
Open‑market sale worth $3.15M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/26/2026ACC: 0001049502-26-000088
Officer· President & COO
Since Jan 2019
-10K
Net shares
Net seller
$3.15M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
10K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−10K
Price / share
$315.48
Trade value
$3.15M
% of position
6.5%
5/22/2026
154.70K→144.70K
Total
Net shares
−10K
Net value
-$3.15M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/22/2026 | S · Sale | −10K | $315.48 | $3.15M | 6.5% | 154.70K | 144.70K |
| Total | −10K | -$3.15M | ||||||
Derivative Transactions0
No derivative transactions reported