Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Technology

Taiwan Semiconductor Manufacturing Company Ltd. TSM

Who in Washington is trading it · Jun 9 – Jun 17

U.S. members of Congress and senior executive-branch officials must disclose their trades in Taiwan Semiconductor Manufacturing Company Ltd. (TSM) under the STOCK Act and federal ethics rules. Below is every disclosed TSM 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.

63Disclosed trades
21Officials
20/10Buys / Sells
$989K–$3.0MDisclosed $ volume
56/7Congress / Exec
1Flagged overlap

Who has traded TSM

…and 9 more officials.

Recent disclosed TSM trades

OfficialDisclosedTxnAmountFlags
Richard W. AllenJun 17BUY$1K–$15K
Cleo FieldsApr 9BUY$1K–$15K
Gilbert CisnerosMar 6BUY$1K–$15K
Gilbert CisnerosMar 6BUY$100K–$250K
Richard W. AllenMar 5BUY$1K–$15K
Julia LetlowMar 1BUY$1K–$15K
Gilbert CisnerosFeb 11BUY$1K–$15K
Cleo FieldsJan 8BUY$1K–$15K
Gilbert CisnerosDec 12BUY$1K–$15K
Gilbert CisnerosNov 12BUY$1K–$15K
Lisa McClainNov 1SELL$1K–$15K
Lisa McClainNov 1BUY$1K–$15K
Lisa McClainNov 1SELL$1K–$15K
Jared MoskowitzOct 31BUY$1K–$15K
Cleo FieldsOct 23BUY$100K–$250K
Valerie HoyleSep 23SELL$1K–$15K
Valerie HoyleSep 12p$1K–$15KLate
Cleo FieldsSep 3p$100K–$250K
Cleo FieldsSep 3p$250K–$500K
Cleo FieldsSep 3p$15K–$50K
Julia LetlowAug 11BUY$15K–$50K
Sheri BiggsAug 11SELL$1K–$15KConflict
Cleo FieldsAug 6p$100K–$250K
Cleo FieldsJul 1p$100K–$250K
Josh GottheimerMay 14s (partial)$1K–$15K
Bruce WestermanMay 12s$1K–$15K
Bruce WestermanApr 16p$1K–$15K
Julie JohnsonApr 14s$1K–$15K
Josh GottheimerApr 10s (partial)$1K–$15K
Rob BresnahanMar 27SELL$1K–$15K
Josh GottheimerFeb 10s (partial)$1K–$15K
Josh GottheimerNov 6s (partial)$1K–$15K
Josh GottheimerNov 6s (partial)$1K–$15K
Josh GottheimerOct 3s (partial)$1K–$15K
Josh GottheimerAug 15s (partial)$1K–$15K
Josh GottheimerJul 9s (partial)$1K–$15K
Josh GottheimerApr 7s (partial)$1K–$15K
Josh GottheimerMar 7s (partial)$1K–$15K
Josh GottheimerFeb 15p$1K–$15K
Josh GottheimerApr 20p$1K–$15K

Showing 40 of 63 disclosed TSM trades — the full history and downloadable data are in The Full Ledger, or query it via the API.