Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Technology

MKS Inc. MKSI

Who in Washington is trading it · Apr 8 – Nov 1

U.S. members of Congress and senior executive-branch officials must disclose their trades in MKS Inc. (MKSI) under the STOCK Act and federal ethics rules. Below is every disclosed MKSI trade we track — who traded it, when it was disclosed, and the disclosed dollar range. Figures are disclosed ranges; disclosure dates lag the trade by 30–45 days.

5Disclosed trades
2Officials
2/3Buys / Sells
$5K–$75KDisclosed $ volume
5/0Congress / Exec

Who has traded MKSI

Recent disclosed MKSI trades

OfficialDisclosedTxnAmountFlags
Lisa McClainNov 1SELL$1K–$15K
Lisa McClainNov 1BUY$1K–$15K
Lisa McClainNov 1SELL$1K–$15K
Thomas H TubervilleMay 11SELL$1K–$15K
Thomas H TubervilleApr 8BUY$1K–$15K