Company · CIK 0000875045 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
BIOGEN INC. · BIIB
Insider activity reported against this company. All insider holders · Files at: BIVV. On EDGAR ↗
Reported at this company — common stock
No reported common-stock activity in this period.
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026 AForm 4 → | Sep 3, 4:14 pm EDT | Michael PariniChief Legal Officer | 7,405 | — | — | 7,405 | — |
Filed by this entity as an insider elsewhere — common stock
No reported common-stock activity in this period.
Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.