4processed

Form 4 — Insider Transaction

ALNYLAM PHARMACEUTICALS, INC.(ALNY)

Filing Date

May 20, 2026

Accepted

May 20, 2026

Accession No.

0001178670-26-000034

CIK

0001178670

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Arbuckle Stuart AOther671$0671Common StockMay 20, 2026
Arbuckle Stuart AOther1.4K$01.4KStock Option (Right to Buy)May 20, 2026