Form 4 for BIIB Biogen
Accepted 2025-10-06 00:00:00 ET · period of report 2025-10-02 · accession 0000875045-25-000037 · 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 | 2025-10-06 | 2025-10-02 | BIIB | Godbout Sean | CAO | M - OptEx | $0.00 | +26 | 502.67 | +5% | $0 |
| D | 2025-10-06 | 2025-10-02 | BIIB | Godbout Sean | CAO | F - Tax | $155.25 | -8 | 494.67 | -2% | -$1,242 |
| D | 2025-10-06 | 2025-10-02 | BIIB | Godbout Sean | CAO | M - OptEx | $0.00 | -26 | 27 | -49% | $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 | 2025-10-02 | M | A | 26 | $0.00 | 502.67 | D | — | — | |
| 2 | Common | Common Stock | 2025-10-02 | F | D | 8 | $155.25 | 494.67 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2025-10-02 | M | D | 26 | $0.00 | 27 | D | $0.00 · — to 2026-10-02 | 26 Common Stock | (F1) The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 10/02/2023. |