SEC INSIDER TRANSACTIONS

ALNYLAM PHARMACEUTICALS, INC. (ALNY) Insider Transactions

Explore official ownership filings, with every record linked to its source.

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ALNY · ALNYLAM PHARMACEUTICALS, INC.

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 18 filings · fetched 2026-11-13T16:38:09Z

Recent reported activity

0purchase rows on this page

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34matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-05-20Filed 2026-05-22	HAMBURG MARGARET ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F1	A Award / grantCommon Stock · Non-derivative	671A	0	Direct	Form 4 ↗0001178670-26-000037
2026-05-20Filed 2026-05-22	BRANDICOURT OLIVIERDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F2	A Award / grantStock Option (Right to Buy) · Derivative	1,441A	0	Direct	Form 4 ↗0001178670-26-000036
2026-05-20Filed 2026-05-22	BRANDICOURT OLIVIERDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F1	A Award / grantCommon Stock · Non-derivative	671A	0	Direct	Form 4 ↗0001178670-26-000036
2026-05-20Filed 2026-05-22	Ausiello Dennis ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The shares of ALNY common stock are held in a trust, of which the reporting person's spouse is the trustee. F3 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F3	A Award / grantStock Option (Right to Buy) · Derivative	1,441A	0	Direct	Form 4 ↗0001178670-26-000035
2026-05-20Filed 2026-05-22	Ausiello Dennis ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The shares of ALNY common stock are held in a trust, of which the reporting person's spouse is the trustee. F3 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F1	A Award / grantCommon Stock · Non-derivative	671A	0	Direct	Form 4 ↗0001178670-26-000035
2026-05-20Filed 2026-05-22	Arbuckle Stuart ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F2	A Award / grantStock Option (Right to Buy) · Derivative	1,441A	0	Direct	Form 4 ↗0001178670-26-000034
2026-05-20Filed 2026-05-22	Arbuckle Stuart ADirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 These shares are represented by restricted stock units (RSUs) granted under the Second Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. F2 The stock option will vest in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date. References: F1	A Award / grantCommon Stock · Non-derivative	671A	0	Direct	Form 4 ↗0001178670-26-000034
2026-05-13Filed 2026-05-14	SCHULMAN AMY WDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The options exercised and held by the reporting person were due to expire on June 3, 2026. References: F1	M Exercise / conversionStock Option (Right to Buy) · Derivative	11,250D	0	Direct	Form 4 ↗0001178670-26-000017
2026-05-13Filed 2026-05-14	SCHULMAN AMY WDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The options exercised and held by the reporting person were due to expire on June 3, 2026. References: F1	M Exercise / conversionCommon Stock · Non-derivative	11,250A	70.2	Direct	Form 4 ↗0001178670-26-000017

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.