Form 4 for BIIB Biogen
Accepted 2025-02-12 00:00:00 ET · period of report 2025-02-10 · accession 0001127602-25-004459 · 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 | 2025-02-12 | 2025-02-10 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | M - OptEx | $0.00 | +3,257 | 25.7K | +15% | $0 |
| D | 2025-02-12 | 2025-02-10 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | F - Tax | $142.54 | -1,371 | 24.3K | -5% | -$195.4K |
| D | 2025-02-12 | 2025-02-10 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | M - OptEx | $0.00 | -3,257 | 0 | -100% | $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 | 2025-02-10 | M | A | 3,257 | $0.00 | 25,712 | D | — | — | |
| 2 | Common | Common Stock | 2025-02-10 | F | D | 1,371 | $142.54 | 24,341 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2025-02-10 | M | D | 3,257 | $0.00 | 0 | D | $0.00 · — to 2025-02-10 | 3,257 Common Stock | (F1) The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 10, 2022. |