WILLIAMS JOHN EDWARD

PrivateCIK: 1710173
Location

ANDOVER, MA

WILLIAMS JOHN EDWARD (EVP & GM, PSD) sold 10.0% of their position (457.00 shares) of MKS INC on the open market

Open‑market sale worth $131.8K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWILLIAMS JOHN EDWARDCIK 1710173
IssuerMKS INCCIK 1049502
Officer· EVP & GM, PSD
Since Feb 2026
-457.00
Net shares
Net seller
$131.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
457.00 disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

457.00

Price / share

$288.31

Trade value

$131.76K

% of position

10.0%
8/3/2026
4.55K4.10K
Total

Net shares

457.00

Net value

-$131.76K

Derivative Transactions0
No derivative transactions reported