Who in Congress trades BIIB?
Biogen Inc.
6 members of Congress have disclosed 20 BIIB transactions between March 27, 2014 – June 5, 2026. Under the STOCK Act these must be filed within 45 days of the trade.
20
transactions
6
members
12 / 8
buys / sells
$174K–$610K
disclosed value
Who trades it most
10 trades6 buy4 sell
Maria Elvira SalazarR-FLHouse
4 trades3 buy1 sell
James M. InhofeR-OK
2 trades1 buy1 sell
Susan M. CollinsR-ME
2 trades0 buy2 sell
Alan ArmstrongR-OK
1 trade1 buy0 sell
Gilbert CisnerosD-CAHouse
1 trade1 buy0 sell
BIIB trades by year
214
715
316
118
119
626
Every disclosed BIIB trade
Newest first, through July 21, 2026. Each row links to the original filing. 1 of these were filed after the 45-day deadline.
| Member | Type | Amount | Traded | Filing |
|---|---|---|---|---|
| Alan ArmstrongR | BuyLate | $1,001 - $15,000 | March 27, 2026 | View |
| Maria Elvira SalazarR | Sell | $15,001 - $50,000 | June 2, 2026 | View |
| Gilbert CisnerosD | Buy | $1,001 - $15,000 | June 5, 2026 | View |
| Maria Elvira SalazarR | Buy | $1,001 - $15,000 | May 12, 2026 | View |
| Maria Elvira SalazarR | Buy | $50,001 - $100,000 | May 11, 2026 | View |
| Maria Elvira SalazarR | Buy | $1,001 - $15,000 | May 11, 2026 | View |
| Sheldon WhitehouseD | Sell | $1,001 - $15,000 | March 22, 2019 | View |
| Sheldon WhitehouseD | Sell | $1,001 - $15,000 | January 8, 2018 | View |
| Sheldon WhitehouseD | Sell | $1,001 - $15,000 | December 23, 2016 | View |
| Sheldon WhitehouseD | Sell | $15,001 - $50,000 | December 13, 2016 | View |
| James M. InhofeR | Sell | $50,001 - $100,000 | July 21, 2016 | View |
| Sheldon WhitehouseD | Buy | $1,001 - $15,000 | August 28, 2015 | View |
| Sheldon WhitehouseD | Buy | $1,001 - $15,000 | August 10, 2015 | View |
| Sheldon WhitehouseD | Buy | $1,001 - $15,000 | August 4, 2015 | View |
| Sheldon WhitehouseD | Buy | $1,001 - $15,000 | July 10, 2015 | View |
| James M. InhofeR | Buy | $15,001 - $50,000 | July 9, 2015 | View |
| Sheldon WhitehouseD | Buy | $15,001 - $50,000 | May 7, 2015 | View |
| Sheldon WhitehouseD | Buy | $1,001 - $15,000 | April 7, 2015 | View |
| Susan M. CollinsR | Sell | $1,001 - $15,000 | July 23, 2014 | View |
| Susan M. CollinsR | Sell | $1,001 - $15,000 | March 27, 2014 | View |
Public STOCK Act disclosures (U.S. Senate eFD and House Clerk), shown for transparency and education — not investment advice, and not a statement of what any member currently owns. Back to the full Congress trades tracker.