Form4insider filings, from the source

Company · CIK 0001178670 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

ALNYLAM PHARMACEUTICALS, INC. · ALNY

Insider activity reported against this company. All insider holders · Files at: RGLS. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 19, 2026 AForm 4 →Sep 22, 4:07 pm EDTYvonne GreenstreetChief Executive Officer, Director107——95,802—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.

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.