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| Keyboard |
| Biogen IDEC Inc | |
|---|---|
| Ticker | BIIB |
| CIK # | 0000875045 |
| CUSIP | 09062X103 |
| Sector | Life Sciences - Biological Products, (No Disgnostic Substances) |
| Address | 14 Cambridge Center, Cambridge, MA 02142 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000875045] | 10-K | |
| [0000875045] | 10-Q | |
| [0000875045] | 3 | |
| [0000875045] | 4 | |
| [0000875045] | 5 | |
| [0000875045] | 8-K | |
| [0000875045] | SC 13D | |
| [0000875045] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Izzar Rachid
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 7,390 | $0.00 | |
|
Keeney Adam
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 8,025 | $0.00 | |
|
Gregory Ginger
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 8,025 | $0.00 | |
|
Godbout Sean
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 1,800 | $0.00 | |
|
Murphy Nicole
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 10,560 | $0.00 | |
|
Kramer Robin
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 8,450 | $0.00 | |
|
Singhal Priya
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 10,560 | $0.00 | |
|
Viehbacher Christopher
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 38,015 | $0.00 | |
|
Grogan Jane
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 8,450 | $0.00 | |
|
Alexander Susan H
Restricted Stock Unit · derivative
|
2026-02-13 | Grant | 8,450 | $0.00 | |
|
Murphy Nicole
Common Stock
|
2026-02-12 | Buy | 3 | $195.04 | 585 |
|
Singhal Priya
Common Stock
|
2026-02-09 | Sell | 2,660 | $199.83 | 531,548 |
|
Murphy Nicole
Common Stock
|
2026-02-06 | Option exercise | 2,102 | $0.00 | |
|
Viehbacher Christopher
Common Stock
|
2026-02-06 | Option exercise | 9,008 | $0.00 | |
|
Izzar Rachid
Restricted Stock Unit · derivative
|
2026-02-06 | Option exercise | 3,043 | $0.00 | |
|
Alexander Susan H
Common Stock
|
2026-02-06 | Option exercise | 1,940 | $0.00 | |
|
Viehbacher Christopher
Common Stock
|
2026-02-06 | Tax withheld | 6,624 | $201.18 | 1,332,616 |
|
Kramer Robin
Restricted Stock Unit · derivative
|
2026-02-06 | Option exercise | 3,511 | $0.00 | |
|
Murphy Nicole
Restricted Stock Unit · derivative
|
2026-02-06 | Option exercise | 4,683 | $0.00 | |
|
Gregory Ginger
Common Stock
|
2026-02-06 | Option exercise | 1,802 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 1,009 | 132,671,326 |
| 2025-12-31 | 1,007 | 141,083,231 |
| 2025-09-30 | 918 | 133,810,138 |
| 2025-06-30 | 866 | 130,883,724 |
| 2025-03-31 | 883 | 129,197,930 |
| 2024-12-31 | 877 | 127,179,309 |
| 2024-09-30 | 925 | 127,123,221 |
| 2024-06-30 | 953 | 124,106,799 |
| 2024-03-31 | 958 | 127,470,803 |
| 2023-12-31 | 1,011 | 127,458,324 |
| 2023-09-30 | 967 | 116,189,097 |
| 2023-06-30 | 1,011 | 119,376,545 |