| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Dec 01, 2025 | Option/RSU Exercise | - | 7,040 | - | 19,847 | Dec 03, 2025, 04:42 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Dec 01, 2025 | Tax Payment (Shares) | $177.78 | 3,404 | 605,163 | 16,443 | Dec 03, 2025, 04:42 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 07, 2025 | Tax Payment (Shares) | $141.35 | 3,201 | 452,461 | 12,807 | Feb 10, 2025, 06:55 PM | |
| BIIB | BIOGEN INC. | Christopher Viehbacher | President and CEO | Feb 07, 2025 | Option/RSU Exercise | - | 9,008 | - | 16,008 | Feb 10, 2025, 06:55 PM |
