EntityWire

EntityWire / EIN 46-4600503

Employer with a benefit plan

AMYLYX PHARMACEUTICALS, INC.

EIN 46-4600503. What DOL Form 5500 filings (EFAST2), DOL Form 5500-SF filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-09-02.

Employer with a benefit plan ยท SEC filer

AMYLYX PHARMACEUTICALS, INC.

121 FIRST STREET, CAMBRIDGE, MA 02141

EIN

46-4600503

SEC CIK

0001658551

SEC · 2026-09-02

Industry (SIC)

Pharmaceutical Preparations (2834)

SEC · 2026-09-02

State of incorporation

DE

SEC · 2026-09-02

Ticker

AMLX

SEC · 2026-09-02

Latest SEC filing

4 2026-09-02

SEC · 2026-09-02

Benefit plan 1, 2024 filing

AMYLYX PHARMACEUTICALS RETIREMENT PLAN

DOL · 2025-10-11

Participants (start of year)

352

DOL · 2025-10-11

Plan features

code 2E2F2G2J2K2S2T3D

DOL · 2025-10-11

Plan type

Single-employer plan

DOL · 2025-10-11

Business code (NAICS)

325410

DOL · 2025-10-11

Benefit plan 506, 2024 filing

AMYLYX PHARMACEUTICALS, INC. BTA PLAN

DOL · 2025-09-08

Participants (start of year)

324

DOL · 2025-09-08

Plan features

Death benefits (other than life insurance)

DOL · 2025-09-08

Plan type

Single-employer plan

DOL · 2025-09-08

What this record is

Public federal filings that carry this EIN, shown as filed. Nothing here is scraped from the IRS and nothing is inferred.

What it is not

Registry status, formation date, and registered agent come from the state where the entity is registered, not from these federal filings.

If something is wrong

A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.

Look up another business

Free. Federal filings and state registries, stamped with their source and date.