0001735276-26-000059.txt : 20260306 0001735276-26-000059.hdr.sgml : 20260306 20260306161149 ACCESSION NUMBER: 0001735276-26-000059 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260304 FILED AS OF DATE: 20260306 DATE AS OF CHANGE: 20260306 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Fitzgerald Kevin Joseph CENTRAL INDEX KEY: 0001886431 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36407 FILM NUMBER: 26731085 MAIL ADDRESS: STREET 1: 675 WEST KENDALL STREET STREET 2: HENRI A. TERMEER SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALNYLAM PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0001178670 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 770602661 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 675 WEST KENDALL STREET STREET 2: HENRI A. TERMEER SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: (617) 551-8200 MAIL ADDRESS: STREET 1: 675 WEST KENDALL STREET STREET 2: HENRI A. TERMEER SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER COMPANY: FORMER CONFORMED NAME: ALNYLAM PHARMACEUTICALS INC DATE OF NAME CHANGE: 20020724 4 1 edgardoc.xml PRIMARY DOCUMENT X0508 4 2026-03-04 0 0001178670 ALNYLAM PHARMACEUTICALS, INC. ALNY 0001886431 Fitzgerald Kevin Joseph 675 WEST KENDALL STREET HENRI A. TERMEER SQUARE CAMBRIDGE MA 02142 0 1 0 0 CSO & EVP, Head of Research 1 Common Stock 2026-03-04 4 S 0 29 319.03 D 21831 D Common Stock 2026-03-04 4 S 0 28 320.01 D 21803 D Common Stock 2026-03-04 4 S 0 59 320.81 D 21744 D Common Stock 2026-03-04 4 S 0 79 321.82 D 21665 D Common Stock 2026-03-04 4 S 0 96 323.01 D 21569 D Common Stock 2026-03-04 4 S 0 210 323.84 D 21359 D Common Stock 2026-03-04 4 S 0 75 324.88 D 21284 D Common Stock 2026-03-04 4 S 0 57 325.67 D 21227 D Common Stock 2026-03-05 4 S 0 124 321.81 D 21103 D Common Stock 2026-03-05 4 S 0 233 323.25 D 20870 D Common Stock 2026-03-05 4 S 0 148 324.6 D 20722 D Common Stock 2026-03-05 4 S 0 153 326.24 D 20569 D Common Stock 537 I by Managed Account Represents shares automatically sold by the Company on behalf of the reporting person pursuant to a mandatory sell-to-cover provision in the award agreement to cover minimum statutory tax withholding obligations upon the vesting of restricted stock units. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $318.27 to $319.27. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $319.28 to $320.28. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $320.33 to $321.33. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $321.34 to $322.31. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $322.36 to $323.36. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $323.38 to $324.35. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $324.39 to $325.38. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $325.40 to $326.21. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. This transaction was made pursuant to a Rule 10b5-1(c) trading plan adopted by the Reporting Person on August 14, 2025. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $321.43 to $322.00. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $322.81 to $323.65. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $324.36 to $325.01. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $326.01 to $326.40. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. 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. By: Brett Budzinski, Attorney-in-Fact For: Kevin Fitzgerald 2026-03-06