BIIB insider trades & Congress trades
public insider filings and Congress disclosures, in one place.
Members of Congress have disclosed 16 trades in BIIB (7 purchases, 9 sales), the latest transaction dated September 24, 2026. Congress filings can arrive up to 45 days after the trade.
Congress trades
Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.
| Traded | Member | Party | Type | Amount | Disclosed | Filing |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | Maria Elvira Salazar | house | Sell | $1,001 - $15,000 | Oct 7, 2026 | Source |
| Aug 18, 2026 | Kevin Hern | house | Sell | $1,001 - $15,000 | Sep 1, 2026 | – |
| Mar 22, 2019 | Sheldon Whitehouse | Senate | Sell | $1,001 - $15,000 | – | Source |
| Jan 8, 2018 | Sheldon Whitehouse | Senate | Sell | $1,001 - $15,000 | – | Source |
| Dec 23, 2016 | Sheldon Whitehouse | Senate | Sell | $1,001 - $15,000 | – | Source |
| Dec 13, 2016 | Sheldon Whitehouse | Senate | Sell | $15,001 - $50,000 | – | Source |
| Jul 21, 2016 | James M Inhofe | Senate | Sell | $50,001 - $100,000 | – | Source |
| Aug 28, 2015 | Sheldon Whitehouse | Senate | Buy | $1,001 - $15,000 | – | Source |
| Aug 10, 2015 | Sheldon Whitehouse | Senate | Buy | $1,001 - $15,000 | – | Source |
| Aug 4, 2015 | Sheldon Whitehouse | Senate | Buy | $1,001 - $15,000 | – | Source |
| Jul 10, 2015 | Sheldon Whitehouse | Senate | Buy | $1,001 - $15,000 | – | Source |
| Jul 9, 2015 | James M Inhofe | Senate | Buy | $15,001 - $50,000 | – | Source |
| May 7, 2015 | Sheldon Whitehouse | Senate | Buy | $15,001 - $50,000 | – | Source |
| Apr 7, 2015 | Sheldon Whitehouse | Senate | Buy | $1,001 - $15,000 | – | Source |
| Jul 23, 2014 | Susan M Collins | Senate | Sell | $1,001 - $15,000 | – | Source |
| Mar 27, 2014 | Susan M Collins | Senate | Sell | $1,001 - $15,000 | – | Source |
Data as of November 12, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
See all the latest insider trades. New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
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