Biogen Inc.
BIIB- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000875045
In the last 90 days, Biogen Inc. insiders filed 0 open-market purchases and 1 sale; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $33.2B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Biogen Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $239.7K in total
- Insiders trading
- 1
- Net value
- −$239.7K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Biogen Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Parini Michael | Chief Legal Officer | – | Sep 3, 2026 | 1 |
| Minor Lloyd | Director | 2,689 | Aug 5, 2026 | 2 |
| Sherwin Stephen A | Director | 15,193 | Jun 11, 2026 | 1 |
| Hawkins William A | Director | 10,365 | Jun 11, 2026 | 1 |
| Rowinsky Eric K | Director | 25,844 | Jun 11, 2026 | 1 |
| Freire Maria C | Director | 8,820 | Jun 11, 2026 | 1 |
| Mantas Jesus B | Director | 11,263 | Jun 11, 2026 | 1 |
| Patolawala Monish D | Director | 5,215 | Jun 11, 2026 | 1 |
| Langer Susan | Director | 6,634 | Jun 11, 2026 | 1 |
| Pangalos Menelas N | Director | 3,875 | Jun 11, 2026 | 1 |
| Keeney Adam | Head of Corporate Development | 6,365 | May 5, 2026 | 3 |
| Godbout Sean | Chief Accounting Officer | 1,342 | Apr 3, 2026 | 4 |
| Alexander Susan H | EVP Chief Legal Officer | 41,807 | Feb 17, 2026 | 2 |
| Gregory Ginger | EVP, Human Resources | 22,359 | Feb 17, 2026 | 2 |
| Kramer Robin | Chief Financial Officer | 11,472 | Feb 17, 2026 | 2 |
| Singhal Priya | Head of Development | 8,043 | Feb 17, 2026 | 3 |
| Viehbacher Christopher | President and CEO | 29,924 | Feb 17, 2026 | 3 |
| Izzar Rachid | Head of Global Product Strat. | 11,011 | Feb 17, 2026 | 2 |
| Murphy Nicole | Head of Pharm Ops and Tech | 19,611 | Feb 17, 2026 | 2 |
| Grogan Jane | Head of Research | 4,058 | Feb 17, 2026 | 3 |
| Dorsa Caroline | Director | 31,002 | Jun 18, 2025 | 0 |
| McDonnell Michael R | EVP, Chief Financial Officer | 24,341 | Feb 12, 2025 | 0 |
| Papadopoulos Stelios | Director | 10,095 | Jun 17, 2022 | 0 |
| Jones William D | Director | 2,145 | Jun 17, 2022 | 0 |
| Denner Alexander J | Director | 15,099 | Jun 17, 2022 | 0 |
| Mulligan Richard | Director | 15,099 | Jun 17, 2022 | 0 |
| Vounatsos Michel | Chief Executive Officer | 67,261 | Feb 23, 2022 | 0 |
| Guindo Chirfi | Head of Glob Prod Strat & Com | 7,364 | Feb 23, 2022 | 0 |
| Galdes Alphonse | EVP Pharmaceutical Oper & Tech | 5,064 | Jan 21, 2022 | 0 |
| Leaming Nancy | Director | 13,763 | Jul 2, 2021 | 0 |
| Posner Brian S | Director | 8,175 | Jul 2, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 5, 2026 (view filing)4:03 PM ET | Aug 3-4 | 2 days | Minor LloydDirector | SSale | −1.19K | $202.15 | −$239.7K | −30.6%2.69K after | 2 lots10b5-1 |
| Feb 17, 2026 (view filing) | Feb 12 | 5 days | Murphy NicoleHead of Pharm Ops and Tech | PPurchase | +3 | $195.04 | +$585.12 | 0.0%19.6K after | |
| Feb 10, 2026 (view filing) | Feb 9 | 1 day | Singhal PriyaHead of Development | SSale | −2.66K | $199.83 | −$531.5K | −24.9%8.04K after | 10b5-1 |
| Feb 3, 2026 (view filing) | Feb 2 | 1 day | Singhal PriyaHead of Development | SSale | −748 | $179.30 | −$134.1K | −10.7%6.27K after | 10b5-1 |
| Sep 2, 2025 (view filing) | Sep 2 | Same day | Singhal PriyaHead of Development | SSale | −517 | $133.55 | −$69.0K | −8.2%5.77K after | 10b5-1 |
| Jul 16, 2025 (view filing) | Jul 8 | 8 daysLate | Izzar RachidHead of Global Product Strat. | SSale | −2.22K | $135.00 | −$300.1K | −26.0%6.33K after | 10b5-1 |
| May 20, 2025 (view filing) | May 19 | 1 day | Singhal PriyaHead of Development | SSale | −3.81K | $126.25 | −$480.5K | −41.2%5.43K after | 10b5-1 |
| May 5, 2025 (view filing) | May 2 | 3 days | Dorsa CarolineDirector | PPurchase | +1.24K | $122.72 | +$151.6K | +4.6%27.8K after | |
| Mar 10, 2025 (view filing) | Mar 7 | 3 days | Sherwin Stephen ADirector | SSale | −8.76K | $150.02 | −$1.31M | −43.6%11.3K after | 10b5-1 |
| Dec 9, 2024 (view filing) | Dec 9 | Same day | Singhal PriyaHead of Development | SSale | −110 | $157.21 | −$17.3K | −2.0%5.43K after | 10b5-1 |
| Sep 5, 2024 (view filing) | Sep 3 | 2 days | Singhal PriyaHead of Development | SSale | −431 | $204.22 | −$88.0K | −7.5%5.32K after | 10b5-1 |
| Apr 3, 2024 (view filing) | Apr 2 | 1 day | Singhal PriyaHead of Development | SSale | −93 | $213.09 | −$19.8K | −1.9%4.89K after | 10b5-1 |
| Feb 26, 2024 (view filing) | Feb 22 | 4 days | Singhal PriyaHead of Development | SSale | −262 | $221.23 | −$58.0K | −5.1%4.89K after | 10b5-1 |
| Feb 21, 2024 (view filing) | Feb 16 | 5 days | Singhal PriyaHead of Development | SSale | −108 | $221.49 | −$23.9K | −2.1%5.15K after | 10b5-1 |
| Feb 20, 2024 (view filing) | Feb 15 | 5 days | Rowinsky Eric KDirector | PPurchase | +455 | $222.54 | +$101.3K | +2.3%20.6K after | |
| Feb 13, 2024 (view filing) | Feb 12 | 1 day | Singhal PriyaHead of Development | SSale | −419 | $239.45 | −$100.3K | −8.5%4.52K after | 10b5-1 |
| Feb 5, 2024 (view filing) | Feb 2 | 3 days | Singhal PriyaHead of Development | SSale | −634 | $245.93 | −$155.9K | −13.4%4.10K after | 10b5-1 |
| Dec 12, 2023 (view filing) | Dec 11 | 1 day | Singhal PriyaHead of Development | SSale | −110 | $248.00 | −$27.3K | −3.1%3.46K after | 10b5-1 |
| Sep 6, 2023 (view filing) | Sep 5 | 1 day | Singhal PriyaHead of Development | SSale | −431 | $269.43 | −$116.1K | −11.4%3.35K after | 10b5-1 |
| Jul 5, 2023 (view filing) | Jul 3 | 2 days | Singhal PriyaHead of Development | SSale | −81 | $282.87 | −$22.9K | −2.7%2.92K after | 10b5-1 |
| May 2, 2023 (view filing) | Apr 28 | 4 days | Gregory GingerEVP, Human Resources | SSale | −2.68K | $300.00 | −$804.3K | −24.0%8.48K after | 10b5-1 |
| Apr 6, 2023 (view filing) | Apr 4 | 2 days | Singhal PriyaHead of Development | SSale | −91 | $277.11 | −$25.2K | −3.1%2.84K after | 10b5-1 |
| Mar 30, 2023 (view filing) | Mar 28 | 2 days | Singhal PriyaHead of Development | SSale | −568 | $270.06 | −$153.4K | −16.7%2.84K after | |
| Dec 12, 2022 (view filing) | Nov 14 | 28 daysLate | Gregory GingerEVP, Human Resources | SSale | −5.61K | $300.11 | −$1.68M | −49.6%5.71K after | |
| Oct 28, 2022 (view filing) | Oct 27 | 1 day | Alexander Susan HEVP Chief Legal Off & Corp Sec | SSale | −5.53K | $280.70 | −$1.55M | −12.3%39.4K after |