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Lee John Tseng-Chung

MKSI · President & CEO

Companies Traded

1

Total Buys

0

$0

Total Sells

4

$7.70M

Net Position

-$7.70M

Net Seller

Company Activity

Company Role Buys Sells Holdings Last Activity
MKSI MKS INC
President & CEO
0
$0
4
$7.70M
171,386.108
$43.88M
Feb 20, 2026

Recent Transactions

MKSI SELL

MKS INC

Shares

13,310

Price

$256

Total Value

$3.41M

Date

Feb 20, 2026

MKSI SELL

MKS INC

Shares

12,812

Price

$257

Total Value

$3.29M

Date

Feb 20, 2026

MKSI SELL

MKS INC

Shares

1,988

Price

$258

Total Value

$513K

Date

Feb 20, 2026

MKSI SELL

MKS INC

Shares

1,890

Price

$260

Total Value

$491K

Date

Feb 20, 2026

Trading Timeline

First Transaction

Feb 20, 2026

Latest Transaction

Feb 20, 2026