# EDGAR Filing Document

**Accession Number:** 0001178670
**File Stem:** 0001140361-26-013365
**Filing Date:** 2026-4
**Character Count:** 1303
**Document Hash:** d64109007e00745d02463aa95cfed7a2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-013365.hdr.sgml**: 20260406

**ACCESSION NUMBER**: 0001140361-26-013365

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260406

**DATE AS OF CHANGE**: 20260406

**EFFECTIVENESS DATE**: 20260406

**FILER**: 

**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

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36407
- **FILM NUMBER:** 26841993

**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

### Attached PDF Documents

**Attachment 1:** `ef20069834_ars.pdf`

_No text found in this document._