Form 4 for BIIB Biogen
Accepted 2025-05-05 00:00:00 ET · period of report 2025-05-01 · accession 0001127602-25-013346 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-05-05 | 2025-05-01 | BIIB | Keeney Adam | Head of Corp. Development | F - Tax | $120.93 | -454 | 2,384 | -16% | -$54.9K |
| D | 2025-05-05 | 2025-05-01 | BIIB | Keeney Adam | Head of Corp. Development | M - OptEx | $0.00 | +938 | 2,838 | +49% | $0 |
| D | 2025-05-05 | 2025-05-01 | BIIB | Keeney Adam | Head of Corp. Development | M - OptEx | $0.00 | -938 | 939 | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-05-01 | F | D | 454 | $120.93 | 2,384 | D | — | — | |
| 2 | Common | Common Stock | 2025-05-01 | M | A | 938 | $0.00 | 2,838 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2025-05-01 | M | D | 938 | $0.00 | 939 | D | $0.00 · — to 2026-05-01 | 938 Common Stock | (F1) The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of May 1, 2023. |