Form 4 for BIIB Biogen
Accepted 2025-02-03 00:00:00 ET · period of report 2025-01-31 · accession 0001127602-25-002817 · 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 | 2025-02-03 | 2025-01-31 | BIIB | Singhal Priya | Head of Development | F - Tax | $143.93 | -578 | 6,676 | -8% | -$83.2K |
| D | 2025-02-03 | 2025-01-31 | BIIB | Singhal Priya | Head of Development | M - OptEx | $0.00 | +1,828 | 7,254 | +34% | $0 |
| D | 2025-02-03 | 2025-01-31 | BIIB | Singhal Priya | Head of Development | M - OptEx | $0.00 | -1,828 | 1,829 | -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 | 2025-01-31 | F | D | 578 | $143.93 | 6,676.48 | D | — | — | |
| 2 | Common | Common Stock | 2025-01-31 | M | A | 1,828 | $0.00 | 7,254.48 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2025-01-31 | M | D | 1,828 | $0.00 | 1,829 | D | $0.00 · — to 2026-02-01 | 1,828 Common Stock | (F1) This award was granted to the reporting person on February 1, 2023 and will vest in three equal installments on each anniversary of the grant date. |