Form 4 for BIIB Biogen
Accepted 2025-05-20 00:00:00 ET · period of report 2025-05-19 · accession 0001127602-25-015011 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-20 | 2025-05-19 | BIIB | Singhal Priya | Head of Development | S - Sale | $126.25 | -3,806 | 5,427 | -41% | -$480.5K |
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 | 2025-05-19 | S | D | 3,806 | $126.25 | 5,427.14 | D | — | — | (F1) Includes 166.6667 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2025. |