Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Biogen Inc. BIIB

Who in Washington is trading it · Jan 27 – Jul 8

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

20Disclosed trades
11Officials
4/5Buys / Sells
$1.1M–$5.4MDisclosed $ volume
18/2Congress / Exec

Who has traded BIIB

Recent disclosed BIIB trades

OfficialDisclosedTxnAmountFlags
Maria Elvira SalazarJul 8SELL$15K–$50K
Gilbert CisnerosJul 3BUY$1K–$15K
Gilbert CisnerosFeb 11BUY$1K–$15K
Rob BresnahanJun 9p$1K–$15K
Rob BresnahanMay 8SELL$1K–$15K
Rob BresnahanMar 27BUY$1K–$15K
Shri ThanedarFeb 9s$15K–$50K
Kathy ManningSep 14s$1K–$15K
Josh GottheimerApr 17s$1K–$15K
Josh GottheimerFeb 18p$1K–$15K
Kathy ManningFeb 11s$1K–$15K
Josh GottheimerJan 10s (partial)$1K–$15K
Josh GottheimerNov 15p$1K–$15K
Michael T. McCaulOct 20BUY$1.0M–$5M
Josh GottheimerOct 13s$1K–$15K
Josh GottheimerJul 15p$1K–$15K
Christopher L. JacobsFeb 17s$1K–$15K
Sethuraman PanchanathanFeb 3SELL$1K–$15K
Ellen McCausland LordMay 8SELL$1K–$15K
Jared PolisJan 27SELL$15K–$50K