BIIB — Biogen Inc. - Common Stock (BIIB)
Every disclosed congressional transaction in this security, both parties, every chamber. Each row links to the filing it came from.
Transactions
35
Members involved
13
Buys
16
Sells
19
Instant Replay
Adjusted closing price with every disclosed transaction (▲ buy / ▼ sell) and the committee activity in this security's sector within 30 days. A highlighted event line means a member who traded this security sat on that committee. Proximity is shown, not causation.
Hover the chart for prices, trades, and committee activity.
Transactions
| Date | Member | Action | Amount (as filed) | Owner | Filing |
|---|---|---|---|---|---|
| 2026-06-05 | Gilbert Ray Cisneros, Jr. D-CA | buy | $1,001 – $15,000 | self | record |
| 2026-06-02 | Maria Elvira Salazar R-FL | sell | $15,001 – $50,000 | self | record |
| 2026-05-12 | Maria Elvira Salazar R-FL | buy | $1,001 – $15,000 | self | record |
| 2026-05-11 | Maria Elvira Salazar R-FL | buy | $50,001 – $100,000 | self | record |
| 2026-05-11 | Maria Elvira Salazar R-FL | buy | $1,001 – $15,000 | self | record |
| 2026-01-30 | Gilbert Ray Cisneros, Jr. D-CA | buy | $1,001 – $15,000 | self | record |
| 2025-05-15 | Robert P. Bresnahan, Jr. R-PA | buy | $1,001 – $15,000 | self | record |
| 2025-04-08 | Robert P. Bresnahan, Jr. R-PA | sell | $1,001 – $15,000 | self | record |
| 2025-02-25 | Robert P. Bresnahan, Jr. R-PA | buy | $1,001 – $15,000 | self | record |
| 2023-03-06 | Daniel S. Goldman D-NY | sell | $1,001 – $15,000 | self | record |
| 2023-01-23 | Shri Thanedar D-MI | sell | $15,001 – $50,000 | self | record |
| 2022-08-03 | Kathy E. Manning D-NC | sell | $1,001 – $15,000 | joint | record |
| 2022-07-20 | Kathy E. Manning D-NC | buy | $1,001 – $15,000 | joint | record |
| 2022-03-17 | Josh Gottheimer D-NJ | sell | $1,001 – $15,000 | joint | record |
| 2022-01-14 | Kathy E. Manning D-NC | sell | $1,001 – $15,000 | spouse | record |
| 2022-01-10 | Josh Gottheimer D-NJ | buy | $1,001 – $15,000 | joint | record |
| 2021-12-09 | Josh Gottheimer D-NJ | sell | $1,001 – $15,000 | joint | record |
| 2021-10-18 | Josh Gottheimer D-NJ | buy | $1,001 – $15,000 | joint | record |
| 2021-09-15 | Josh Gottheimer D-NJ | sell | $1,001 – $15,000 | joint | record |
| 2021-06-08 | Josh Gottheimer D-NJ | buy | $1,001 – $15,000 | joint | record |
| 2021-02-16 | Peter Meijer R-MI | sell | $15,001 – $50,000 | self | record |
| 2021-01-04 | Chris Jacobs R-NY | sell | $1,001 – $15,000 | self | record |
| 2020-12-22 | Gilbert Ray Cisneros, Jr. D-CA | sell | $1,001 – $15,000 | self | record |
| 2020-09-16 | Gilbert Ray Cisneros, Jr. D-CA | buy | $1,001 – $15,000 | self | record |
| 2020-07-07 | Josh Gottheimer D-NJ | buy | $1,001 – $15,000 | joint | record |
| 2020-04-29 | Gilbert Ray Cisneros, Jr. D-CA | buy | $1,001 – $15,000 | self | record |
| 2020-03-18 | Gilbert Ray Cisneros, Jr. D-CA | sell | $1,001 – $15,000 | self | record |
| 2020-02-07 | Gilbert Ray Cisneros, Jr. D-CA | buy | $1,001 – $15,000 | self | record |
| 2019-09-11 | Dean Phillips D-MN | sell | $1,001 – $15,000 | self | record |
| 2019-06-24 | Donna E. Shalala D-FL | sell | $1,001 – $15,000 | self | record |
| 2019-06-20 | Dean Phillips D-MN | buy | $1,001 – $15,000 | self | record |
| 2019-05-13 | Dean Phillips D-MN | sell | $1,001 – $15,000 | self | record |
| 2019-05-09 | Gilbert Ray Cisneros, Jr. D-CA | sell | $1,001 – $15,000 | self | record |
| 2019-03-25 | Van Taylor R-TX | sell | $1,001 – $15,000 | spouse | record |
| 2019-03-22 | Sheldon Whitehouse D-RI | sell | $1,001 – $15,000 | spouse | record |
Prices are market data (split- and dividend-adjusted closes), used only for context — every disclosure fact on this page comes from the filings linked in the table above. See Methodology.