Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Merck & Company, Inc. Common Stock MRK

Who in Washington is trading it · May 15 – Jul 1

U.S. members of Congress and senior executive-branch officials must disclose their trades in Merck & Company, Inc. Common Stock (MRK) under the STOCK Act and federal ethics rules. Below is every disclosed MRK 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.

75Disclosed trades
38Officials
9/14Buys / Sells
$341K–$1.7MDisclosed $ volume
71/4Congress / Exec
3Flagged overlap

Who has traded MRK

…and 26 more officials.

Recent disclosed MRK trades

OfficialDisclosedTxnAmountFlags
Keith SelfJul 1SELL$1K–$15KLate
Josh GottheimerMar 5BUY$1K–$15K
Gilbert CisnerosJan 9BUY$1K–$15K
Julie JohnsonJan 5SELL$1K–$15K
Gilbert CisnerosDec 12BUY$1K–$15K
Valerie HoyleSep 23SELL$1K–$15K
Gilbert CisnerosSep 12p$1K–$15K
Marjorie Taylor Mrs GreeneAug 29p$1K–$15K
Sheri BiggsAug 11SELL$15K–$50K
Scott Scott FranklinJul 14s$1K–$15K
Julie JohnsonJul 14p$1K–$15K
Scott Scott FranklinJul 3p$1K–$15KLate
Gilbert CisnerosJun 6s$1K–$15K
Rob BresnahanMay 31s$15K–$50K
Bruce WestermanMay 12s$1K–$15K
Rob BresnahanMay 8BUY$15K–$50K
Gilbert CisnerosMay 6p$1K–$15K
Marjorie Taylor Mrs GreeneMay 6p$1K–$15K
Troy D EdgarMay 1SELL$1K–$15KLate
Bruce WestermanApr 16p$1K–$15K
Kelly Louise MorrisonApr 11s (partial)$1K–$15K
Marjorie Taylor Mrs GreeneApr 11p$1K–$15K
Gilbert CisnerosApr 7s (partial)$15K–$50K
Rob BresnahanMar 27SELL$15K–$50K
Jefferson ShreveMar 9p$15K–$50K
Gilbert CisnerosMar 6BUY$15K–$50K
Julie JohnsonFeb 12p$1K–$15K
Gilbert CisnerosFeb 11s$1K–$15K
Byron DonaldsFeb 10s$1K–$15K
Jared MoskowitzFeb 10s$1K–$15K
Josh GottheimerFeb 10s$15K–$50K
Jared MoskowitzDec 9p$1K–$15K
Jonathan JacksonOct 11s$15K–$50K
Jared MoskowitzAug 21p$1K–$15KLate
Jared MoskowitzAug 21p$1K–$15KLate
Josh GottheimerJul 9s (partial)$1K–$15K
Michael C. BurgessMay 2SELL$1K–$15K
Jared MoskowitzJan 22p$1K–$15K
Thomas H TubervilleNov 16SELL$1K–$15K
John P RickettsOct 20SELL$50K–$100K

Showing 40 of 75 disclosed MRK trades — the full history and downloadable data are in The Full Ledger, or query it via the API.