# EDGAR Filing Document

**Accession Number:** 0001658551
**File Stem:** 0001193125-26-171809
**Filing Date:** 2026-4
**Character Count:** 1182
**Document Hash:** 724f70b320ee2aeb30485d44f84c9fe9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-171809.hdr.sgml**: 20260423

**ACCESSION NUMBER**: 0001193125-26-171809

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260423

**DATE AS OF CHANGE**: 20260423

**EFFECTIVENESS DATE**: 20260423

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Amylyx Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001658551
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 464600503
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41199
- **FILM NUMBER:** 26885501

**BUSINESS ADDRESS:**
- **STREET 1:** 55 CAMBRIDGE PARKWAY
- **STREET 2:** SUITE 6W
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142
- **BUSINESS PHONE:** 617-682-0917

**MAIL ADDRESS:**
- **STREET 1:** 55 CAMBRIDGE PARKWAY
- **STREET 2:** SUITE 6W
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142

### Attached PDF Documents

**Attachment 1:** `amlx-ars-2026.pdf`

_No text found in this document._