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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)

6 members of Congress have disclosed 16 trades in Biogen Inc. (BIIB), a Healthcare company. The buy/sell breakdown shows 7 purchases versus 9 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
16
Unique Politicians
6
Buys
7
Sells
9

Who in Congress Is Trading BIIB?

DatePoliticianTypeAmountSecurity
2014-03-27Susan M Collinssell$1K – $15KStock
2014-03-25MICHAEL T. MCCAULbuy$15K – $50KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2014-02-27Rubén Hinojosasell$1K – $15KStock
2014-02-27Rubén Hinojosasell$1K – $15KStock
2014-02-27Rubén Hinojosasell$1K – $15KStock
2014-02-27JAMES B. RENACCIbuy$1K – $15KStock
2014-02-18JAMES B. RENACCIbuy$1K – $15KStock
2014-02-05MICHAEL T. MCCAULsell$50K – $100KStock
2014-01-24Rubén Hinojosabuy$1K – $15KStock
2014-01-24Rubén Hinojosabuy$1K – $15KStock
2014-01-24Rubén Hinojosabuy$1K – $15KStock
2014-01-24Rubén Hinojosabuy$1K – $15KStock
2014-01-23David P. Roesell$1K – $15KStock
2014-01-13K. Michael Conawaysell$1K – $15KStock
2013-12-31Rubén Hinojosasell$1K – $15KStock
2013-12-20Rubén Hinojosasell$1K – $15KStock
Susan M Collinssell
2014-03-27$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2014-03-25$15K – $50K
Stock
Rubén Hinojosasell
2014-02-27$1K – $15K
Stock
Rubén Hinojosasell
2014-02-27$1K – $15K
Stock
Rubén Hinojosasell
2014-02-27$1K – $15K
Stock
JAMES B. RENACCIbuy
2014-02-27$1K – $15K
Stock
JAMES B. RENACCIbuy
2014-02-18$1K – $15K
Stock
MICHAEL T. MCCAULsell
2014-02-05$50K – $100K
Stock
Rubén Hinojosabuy
2014-01-24$1K – $15K
Stock
Rubén Hinojosabuy
2014-01-24$1K – $15K
Stock
Rubén Hinojosabuy
2014-01-24$1K – $15K
Stock
Rubén Hinojosabuy
2014-01-24$1K – $15K
Stock
David P. Roesell
2014-01-23$1K – $15K
Stock
K. Michael Conawaysell
2014-01-13$1K – $15K
Stock
Rubén Hinojosasell
2013-12-31$1K – $15K
Stock
Rubén Hinojosasell
2013-12-20$1K – $15K
Stock
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