Form 4 for BIIB Biogen
Accepted 2025-02-10 00:00:00 ET · period of report 2025-02-07 · accession 0001127602-25-003964 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-02-10 | 2025-02-07 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | M - OptEx | $0.00 | +4,551 | 23.2K | +24% | $0 |
| DM | 2025-02-10 | 2025-02-07 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | F - Tax | $141.35 | -1,502 | 21.0K | -7% | -$212.3K |
| DM | 2025-02-10 | 2025-02-07 | BIIB | MCDONNELL MICHAEL R | EVP, CFO | M - OptEx | $0.00 | -4,551 | 4,434 | -51% | $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 | 2025-02-07 | M | A | 2,335 | $0.00 | 21,741 | D | — | — | |
| 2 | Common | Common Stock | 2025-02-07 | F | D | 716 | $141.35 | 22,455 | D | — | — | |
| 3 | Common | Common Stock | 2025-02-07 | M | A | 2,216 | $0.00 | 23,171 | D | — | — | |
| 4 | Common | Common Stock | 2025-02-07 | F | D | 786 | $141.35 | 20,955 | D | — | — | |
| 5 | Derivative | Restricted Stock Unit | 2025-02-07 | M | D | 2,335 | $0.00 | 2,335 | D | $0.00 · — to 2026-02-08 | 2,335 Common Stock | (F1) The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 02/8/2023. |
| 6 | Derivative | Restricted Stock Unit | 2025-02-07 | M | D | 2,216 | $0.00 | 4,434 | D | $0.00 · — to 2027-02-07 | 2,216 Common Stock | (F2) The restricted stock units vest in three (3) equal annual installments, commencing one year after the grant date of 02/07/2024. |