Form4insider filings, from the source

Insider · CIK 0001661567

Michael Parini

Files at: BIIB, VRTX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 AForm 4 →Sep 3, 4:14 pm EDTBIOGEN INC.BIIB7,405——7,405—