Company · AMLX · CIK 1658551

Amylyx Pharmaceuticals, Inc. (AMLX) SEC filings and CIK.

AMLX’s SEC Central Index Key (CIK) is 0001658551, or 1658551 without leading zeros. The SEC’s ticker file lists it as Amylyx Pharmaceuticals, Inc..

Ticker: AMLX
CIK: 0001658551
Other tickers: None
Insider transactions, Q3 2026: 19

Insider trading

In Q3 2026, insiders at Amylyx Pharmaceuticals, Inc. reported 19 non-derivative transactions on 12 Forms 3, 4 and 5, including 0 open-market purchases and 12 sales. See every AMLX insider transaction →

Recent filings we observed

No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.

Get AMLX SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1658551&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1658551" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1658551?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Amylyx Pharmaceuticals, Inc. on SEC.gov

Questions

What is AMLX’s CIK number?

AMLX’s SEC Central Index Key (CIK) is 0001658551, or 1658551 without leading zeros. The SEC’s ticker file lists it as Amylyx Pharmaceuticals, Inc..

How do I find Amylyx Pharmaceuticals, Inc.’s 10-K?

Request /api/v1/filings?cik=1658551&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/amlx.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.