Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Thermo Fisher Scientific Inc TMO

Who in Washington is trading it · Nov 14 – May 18

U.S. members of Congress and senior executive-branch officials must disclose their trades in Thermo Fisher Scientific Inc (TMO) under the STOCK Act and federal ethics rules. Below is every disclosed TMO 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.

62Disclosed trades
31Officials
13/20Buys / Sells
$391K–$1.6MDisclosed $ volume
59/3Congress / Exec
10Flagged overlap

Who has traded TMO

…and 19 more officials.

Recent disclosed TMO trades

OfficialDisclosedTxnAmountFlags
Dwight EvansMay 18SELL$1K–$15KConflict
Rohit KhannaMay 13BUY$15K–$50K
Arjun ModyFeb 27SELL$1K–$15K
Lisa McClainNov 1SELL$1K–$15K
Lisa McClainNov 1SELL$1K–$15K
Lisa McClainNov 1BUY$1K–$15K
Valerie HoyleSep 23SELL$1K–$15K
Kelly Louise MorrisonSep 11SELL$15K–$50K
Kelly Louise MorrisonSep 11SELL$1K–$15K
Angus S King, Jr.Aug 18SELL$1K–$15K
Julia LetlowAug 11BUY$1K–$15K
Julia LetlowAug 11SELL$1K–$15K
Julia LetlowAug 11BUY$1K–$15K
Richard W. AllenJun 18s$15K–$50KConflict
Thomas H. Kean Jr.Jun 17p$1K–$15KConflict
Markwayne MullinJun 11BUY$15K–$50K
Rob BresnahanMay 31p$15K–$50K
Dan NewhouseMay 16s$1K–$15K
Richard W. AllenMay 15s$15K–$50KConflict
Bruce WestermanMay 12s$1K–$15K
Markwayne MullinMay 12SELL$50K–$100K
Rob BresnahanApr 28s$15K–$50K
Bruce WestermanApr 16p$1K–$15K
Pete HegsethApr 11SELL$1K–$15K
Greg LandsmanApr 8s$1K–$15KConflict
Rob BresnahanMar 27SELL$1K–$15K
Josh GottheimerOct 3p$1K–$15K
John R CurtisDec 15s$1K–$15K
Josh GottheimerDec 8s$1K–$15K
Markwayne MullinNov 1BUY$15K–$50K
Markwayne MullinOct 12BUY$15K–$50K
Lois FrankelOct 10s$1K–$15K
Daniel S SullivanSep 18SELL$1K–$15K
Lois FrankelJul 28s (partial)$1K–$15K
Zoe LofgrenJun 6s$1K–$15K
Dan NewhouseMay 26p$1K–$15KLate
Dan NewhouseMay 26p$1K–$15KLate
Thomas H TubervilleMay 11SELL$1K–$15K
John R CurtisMar 13s (partial)$1K–$15K
Josh GottheimerFeb 17SELL$1K–$15K

Showing 40 of 62 disclosed TMO trades — the full history and downloadable data are in The Full Ledger, or query it via the API.