Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Quest Diagnostics Incorporated DGX

Who in Washington is trading it · Oct 21 – Dec 10

U.S. members of Congress and senior executive-branch officials must disclose their trades in Quest Diagnostics Incorporated (DGX) under the STOCK Act and federal ethics rules. Below is every disclosed DGX 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.

19Disclosed trades
10Officials
4/6Buys / Sells
$96K–$440KDisclosed $ volume
15/4Congress / Exec
3Flagged overlap

Who has traded DGX

Recent disclosed DGX trades

OfficialDisclosedTxnAmountFlags
Julie JohnsonDec 10SELL$1K–$15K
Julia LetlowAug 11BUY$1K–$15K
Julia LetlowAug 11SELL$1K–$15K
Carol Devine MillerApr 11s$1K–$15KConflict
Gilbert CisnerosFeb 11s (partial)$1K–$15K
Earl BlumenauerMay 4s$1K–$15K
Thomas H TubervilleFeb 14SELL$15K–$50K
Tommy BeaudreauAug 4BUY$1K–$15K
Tommy BeaudreauAug 4SELL$1K–$15K
Carol Devine MillerDec 13p$1K–$15KConflict
Kathy ManningSep 14s$1K–$15K
Carol Devine MillerSep 2p$15K–$50KConflict Late
Earl BlumenauerApr 1p$1K–$15K
Earl BlumenauerApr 1s$1K–$15K
Thomas H TubervilleJul 23BUY$1K–$15KLate
Sara JacobsMay 28s$50K–$100KLate
Mitchell M ZaisFeb 16BUY$1K–$15K
Mitchell M ZaisOct 21SELL$1K–$15KLate
Thomas H TubervilleSELL$1K–$15K