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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 06 '26 | Option Exercise | 0.00 | 9,046 | 0 | 43,321 | Feb 10 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 10 '25 | Option Exercise | 0.00 | 2,575 | 0 | 37,072 | Feb 12 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 07 '25 | Option Exercise | 0.00 | 4,130 | 0 | 35,088 | Feb 10 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 16 '24 | Option Exercise | 0.00 | 5,037 | 0 | 52,506 | Feb 21 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 09 '24 | Option Exercise | 0.00 | 2,575 | 0 | 50,021 | Feb 13 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Officer | Feb 08 '24 | Option Exercise | 0.00 | 2,190 | 0 | 48,101 | Feb 09 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Off & Corp Sec | Feb 17 '23 | Option Exercise | 0.00 | 1,920 | 0 | 46,840 | Feb 22 |
| BIIB | ALEXANDER SUSAN H | EVP Chief Legal Off & Corp Sec | Feb 10 '23 | Option Exercise | 0.00 | 4,023 | 0 | 48,358 | Feb 14 |