Yvonne Greenstreet - 16 May 2025 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Signature
By: Brett Budzinski, Attorney-in-Fact For: Yvonne Greenstreet
Issuer symbol
ALNY
Transactions as of
16 May 2025
Net transactions value
$0
Form type
4
Filing time
19 May 2025, 16:16:30 UTC
Previous filing
06 May 2025
Next filing
03 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Greenstreet Yvonne Chief Executive Officer, Director 675 WEST KENDALL STREET, HENRI A. TERMEER SQUARE, CAMBRIDGE By: Brett Budzinski, Attorney-in-Fact For: Yvonne Greenstreet 19 May 2025 0001446125

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALNY Common Stock Gift $0 -8,376 -15% $0.000000 48,948 16 May 2025 Direct F1
holding ALNY Common Stock 407 16 May 2025 by Managed Account F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported transaction involves a transfer of securities by bona fide gift for estate planning purposes to the Yvonne Greenstreet 2024 Irrevocable Trust Dtd 10/29/2024, of which the reporting person is neither the trustee nor a beneficiary.
F2 Reflects shares of ALNY common stock acquired by the Reporting Person under the issuer 401(k) plan as a result of the issuer 401(k) matching contribution program.