InsiderTrades

Form 4 for ALNY ALNYLAM PHARMACEUTICALS, INC.

Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-18 · accession 0001735276-25-000087 · 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
D 2025-08-19 2025-08-18 ALNY BONNEY MICHAEL W Dir S - Sale+OE $450.00 -11.2K 16.8K -40% -$5.06M
D 2025-08-19 2025-08-18 ALNY BONNEY MICHAEL W Dir M - OptEx $70.20 +11.2K 28.1K +67% +$789.8K
D 2025-08-19 2025-08-18 ALNY BONNEY MICHAEL W Dir M - OptEx $0.00 -11.2K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-18 S D 11,250 $450.00 16,804 D — —
2 Common Common Stock 2025-08-18 M A 11,250 $70.20 28,054 D — —
3 Derivative Stock Option (right to buy) 2025-08-18 M D 11,250 $0.00 0 D $70.20 · 2017-06-03 to 2026-06-03 11,250 Common Stock (F3) The stock option was fully vested as of June 3, 2017.