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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Biogen Inc.

Biogen Inc.BIIB

NASDAQHealthcareBiotechnology$181.55-1.81%

A biotechnology company focused on therapies for neurological and neurodegenerative diseases, including multiple sclerosis, Alzheimer’s disease, and spinal muscular atrophy. Its revenue base has historically been driven by MS treatments, while newer Alzheimer’s drugs and a late‑stage pipeline are cl...

Market Cap: $26.6B52W Range: $110.04 – $202.41

Congressional Interest in Biogen Inc. (BIIB)

15 members of Congress have disclosed 50 trades in Biogen Inc. (BIIB), a Healthcare company. The buy/sell breakdown shows 24 purchases versus 25 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
15
Buys
24
Sells
25

Who in Congress Is Trading BIIB?

DatePoliticianTypeAmountSecurity
2018-10-05Gary Palmersell$1K – $15KStock
2018-08-06Gary Palmerbuy$1K – $15KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2018-07-24Josh Gottheimerbuy$1K – $15KStock
2018-05-02Thomas MacArthurbuy$1K – $15KStock
2018-05-02Thomas MacArthurbuy$1K – $15KStock
2018-01-18MICHAEL T. MCCAULbuy$1K – $15KStock
2018-01-08Sheldon Whitehousesell$1K – $15KStock
2017-10-05JAMES B. RENACCIexchange$15K – $50KStock
2017-06-23Rohit Khannabuy$1K – $15KStock
2017-04-27Rohit Khannabuy$1K – $15KStock
2017-04-04Gary Palmerbuy$1K – $15KStock
2017-04-03JOHN K. DELANEYbuy$50K – $100KStock
2017-01-31MIKE KELLYbuy$1K – $15KStock
2017-01-30CHERI BUSTOSsell$15K – $50KStock
2017-01-17MIKE KELLYsell$1K – $15KStock
2016-12-23Sheldon Whitehousesell$1K – $15KStock
2016-12-13Sheldon Whitehousesell$15K – $50KStock
2016-12-08Thomas MacArthurbuy$1K – $15KStock
2016-12-08Thomas MacArthurbuy$1K – $15KStock
2016-11-09Kurt Schradersell$1K – $15KStock
2016-11-09Kurt Schradersell$1K – $15KStock
2016-11-09Kurt Schradersell$1K – $15KStock
2016-11-09Kurt Schradersell$1K – $15KStock
2016-10-05MICHAEL T. MCCAULsell$1K – $15KStock
2016-08-10JAMES B. RENACCIsell$15K – $50KStock
2016-08-03JAMES B. RENACCIsell$15K – $50KStock
2016-08-02JAMES B. RENACCIsell$1K – $15KStock
2016-08-01Kurt Schraderbuy$1K – $15KStock
2016-07-27MICHAEL T. MCCAULsell$100K – $250KStock
2016-07-21James M Inhofesell$50K – $100KStock
2016-07-20JAMES B. RENACCIsell$50K – $100KStock
2016-07-05Kurt Schraderbuy$1K – $15KStock
2016-06-14Kurt Schraderbuy$1K – $15KStock
2016-06-12Kurt Schraderbuy$1K – $15KStock
2016-05-31JAMES B. RENACCIbuy$1K – $15KStock
2016-04-19JAMES B. RENACCIsell$15K – $50KStock
2016-04-18JAMES B. RENACCIsell$1K – $15KStock
2016-04-01K. Michael Conawaysell$1K – $15KStock
2016-04-01K. Michael Conawaysell$1K – $15KStock
2016-03-17Tom Pricebuy$1K – $15KStock
2016-02-12JAMES B. RENACCIbuy$1K – $15KStock
2016-02-02Thomas MacArthursell$50K – $100KStock
2016-01-29MICHAEL T. MCCAULsell$1K – $15KStock
2016-01-11JAMES B. RENACCIbuy$100K – $250KStock
2015-12-09JAMES B. RENACCIsell$15K – $50KStock
2015-10-28Harold Dallas Rogersbuy$1K – $15KStock
2015-10-06MICHAEL T. MCCAULsell$50K – $100KStock
2015-10-05JAMES B. RENACCIbuy$1K – $15KStock
2015-09-22Thomas MacArthurbuy$1K – $15KStock
2015-09-22Thomas MacArthurbuy$1K – $15KStock
Gary Palmersell
2018-10-05$1K – $15K
Stock
Gary Palmerbuy
2018-08-06$1K – $15K
Stock
Josh Gottheimerbuy
2018-07-24$1K – $15K
Stock
Thomas MacArthurbuy
2018-05-02$1K – $15K
Stock
Thomas MacArthurbuy
2018-05-02$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2018-01-18$1K – $15K
Stock
Sheldon Whitehousesell
2018-01-08$1K – $15K
Stock
JAMES B. RENACCIexchange
2017-10-05$15K – $50K
Stock
Rohit Khannabuy
2017-06-23$1K – $15K
Stock
Rohit Khannabuy
2017-04-27$1K – $15K
Stock
Gary Palmerbuy
2017-04-04$1K – $15K
Stock
JOHN K. DELANEYbuy
2017-04-03$50K – $100K
Stock
MIKE KELLYbuy
2017-01-31$1K – $15K
Stock
CHERI BUSTOSsell
2017-01-30$15K – $50K
Stock
MIKE KELLYsell
2017-01-17$1K – $15K
Stock
Sheldon Whitehousesell
2016-12-23$1K – $15K
Stock
Sheldon Whitehousesell
2016-12-13$15K – $50K
Stock
Thomas MacArthurbuy
2016-12-08$1K – $15K
Stock
Thomas MacArthurbuy
2016-12-08$1K – $15K
Stock
Kurt Schradersell
2016-11-09$1K – $15K
Stock
Kurt Schradersell
2016-11-09$1K – $15K
Stock
Kurt Schradersell
2016-11-09$1K – $15K
Stock
Kurt Schradersell
2016-11-09$1K – $15K
Stock
MICHAEL T. MCCAULsell
2016-10-05$1K – $15K
Stock
JAMES B. RENACCIsell
2016-08-10$15K – $50K
Stock
JAMES B. RENACCIsell
2016-08-03$15K – $50K
Stock
JAMES B. RENACCIsell
2016-08-02$1K – $15K
Stock
Kurt Schraderbuy
2016-08-01$1K – $15K
Stock
MICHAEL T. MCCAULsell
2016-07-27$100K – $250K
Stock
James M Inhofesell
2016-07-21$50K – $100K
Stock
JAMES B. RENACCIsell
2016-07-20$50K – $100K
Stock
Kurt Schraderbuy
2016-07-05$1K – $15K
Stock
Kurt Schraderbuy
2016-06-14$1K – $15K
Stock
Kurt Schraderbuy
2016-06-12$1K – $15K
Stock
JAMES B. RENACCIbuy
2016-05-31$1K – $15K
Stock
JAMES B. RENACCIsell
2016-04-19$15K – $50K
Stock
JAMES B. RENACCIsell
2016-04-18$1K – $15K
Stock
K. Michael Conawaysell
2016-04-01$1K – $15K
Stock
K. Michael Conawaysell
2016-04-01$1K – $15K
Stock
Tom Pricebuy
2016-03-17$1K – $15K
Stock
JAMES B. RENACCIbuy
2016-02-12$1K – $15K
Stock
Thomas MacArthursell
2016-02-02$50K – $100K
Stock
MICHAEL T. MCCAULsell
2016-01-29$1K – $15K
Stock
JAMES B. RENACCIbuy
2016-01-11$100K – $250K
Stock
JAMES B. RENACCIsell
2015-12-09$15K – $50K
Stock
Harold Dallas Rogersbuy
2015-10-28$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-10-06$50K – $100K
Stock
JAMES B. RENACCIbuy
2015-10-05$1K – $15K
Stock
Thomas MacArthurbuy
2015-09-22$1K – $15K
Stock
Thomas MacArthurbuy
2015-09-22$1K – $15K
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