Form 4 for BIIB Biogen
Accepted 2025-03-10 00:00:00 ET · period of report 2025-03-07 · accession 0001127602-25-008861 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-10 | 2025-03-07 | BIIB | SHERWIN STEPHEN A | Dir | S - Sale | $150.02 | -8,760 | 11.3K | -44% | -$1.31M |
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 | 2025-03-07 | S | D | 8,760 | $150.02 | 11,318 | D | — | — |