Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Waters Corporation Common Stock WAT

Who in Washington is trading it · Jul 23 – May 13

U.S. members of Congress and senior executive-branch officials must disclose their trades in Waters Corporation Common Stock (WAT) under the STOCK Act and federal ethics rules. Below is every disclosed WAT 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.

18Disclosed trades
8Officials
7/3Buys / Sells
$18K–$270KDisclosed $ volume
18/0Congress / Exec
2Flagged overlap

Who has traded WAT

Recent disclosed WAT trades

OfficialDisclosedTxnAmountFlags
Rohit KhannaMay 13BUY$1K–$15K
Gilbert CisnerosApr 6BUY$1K–$15K
Kevin HernMar 1exchange$1K–$15KConflict
Debbie DingellFeb 17exchange$1K–$15KConflict
Julia LetlowJan 1BUY$1K–$15K
Gilbert CisnerosOct 8BUY$1K–$15K
Gilbert CisnerosSep 12p$1K–$15K
Gilbert CisnerosSep 12p$1K–$15K
Gilbert CisnerosSep 12p$1K–$15K
Julia LetlowAug 11BUY$1K–$15K
Julia LetlowAug 11SELL$1K–$15K
Rob BresnahanJun 9p$1K–$15K
Rob BresnahanMay 8SELL$1K–$15K
Rob BresnahanMar 27BUY$1K–$15K
Thomas H TubervilleJun 14SELL$1K–$15K
Lois FrankelOct 10s$1K–$15K
Lois FrankelAug 18s (partial)$1K–$15K
Thomas H TubervilleJul 23BUY$1K–$15KLate