Biogen Inc. (BIIB): 2 insider purchases in the last two years; 21 trades disclosed by members of Congress.
| Filed | Insider | Shares | Price | Value | Type |
|---|---|---|---|---|---|
| Feb 17, 2026 | Murphy Nicole Officer | 3 | $195.04 | $585 | no history |
| May 5, 2025 | Dorsa Caroline Director | 1,235 | $122.72 | $151.6K | no history |
Open-market purchases from SEC Form 4. "Opportunistic" = this insider trades every year but not on a fixed schedule (Cohen, Malloy & Pomorski); "routine" buys carry little information.
Free account. Know when insiders, famous funds or Congress trade it.
| Filed | Member | Type | Amount |
|---|---|---|---|
| Oct 7, 2026 | Maria Elvira Salazar | partial sale | $1,001 - $15,000 |
| Sep 1, 2026 | Kevin Hern | sale | $1,001 - $15,000 |
| Jul 7, 2026 | Maria Elvira Salazar | sale | $15,001 - $50,000 |
| Jul 2, 2026 | Gilbert Cisneros | purchase | $1,001 - $15,000 |
| Jun 8, 2026 | Maria Elvira Salazar | purchase | $50,001 - $100,000 |
| Jun 8, 2026 | Maria Elvira Salazar | purchase | $1,001 - $15,000 |
| Jun 8, 2026 | Maria Elvira Salazar | purchase | $1,001 - $15,000 |
| Feb 13, 2026 | Gilbert Cisneros | purchase | $1,001 - $15,000 |
| Jun 9, 2025 | Rob Bresnahan | purchase | $1,001 - $15,000 |
| May 8, 2025 | Rob Bresnahan | sale | $1,001 - $15,000 |
| Mar 27, 2025 | Rob Bresnahan | purchase | $1,001 - $15,000 |
| Apr 17, 2023 | Daniel Goldman | partial sale | $1,001 - $15,000 |
| Feb 9, 2023 | Shri Thanedar | sale | $15,001 - $50,000 |
| Sep 14, 2022 | Kathy Manning | sale | $1,001 - $15,000 |
| Aug 10, 2022 | Kathy Manning | purchase | $1,001 - $15,000 |
| Apr 17, 2022 | Josh Gottheimer | sale | $1,001 - $15,000 |
| Feb 11, 2022 | Kathy Manning | sale | $1,001 - $15,000 g |
| Mar 16, 2021 | Mr. Peter Meijer | sale | $15,001 - d |
| Oct 14, 2020 | Gilbert Cisneros | purchase | $1,001 - $15,000 c |
| Apr 27, 2020 | Donna Shalala | sale | $1,001 - $15,000 g |
| Apr 15, 2019 | Nicholas Van Taylor | sale | $1,001 - $15,000 g |