Company · ALXO · CIK 1810182

Alx Oncology Holdings Inc (ALXO) SEC filings and CIK.

ALXO’s SEC Central Index Key (CIK) is 0001810182, or 1810182 without leading zeros. The SEC’s ticker file lists it as ALX ONCOLOGY HOLDINGS INC.

Ticker: ALXO
CIK: 0001810182
Other tickers: None
Insider transactions, Q3 2026: 3

Insider trading

In Q3 2026, insiders at Alx Oncology Holdings Inc reported 3 non-derivative transactions on 3 Forms 3, 4 and 5, including 0 open-market purchases and 3 sales. See every ALXO 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 ALXO SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1810182&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1810182" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1810182?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Alx Oncology Holdings Inc on SEC.gov

Questions

What is ALXO’s CIK number?

ALXO’s SEC Central Index Key (CIK) is 0001810182, or 1810182 without leading zeros. The SEC’s ticker file lists it as ALX ONCOLOGY HOLDINGS INC.

How do I find Alx Oncology Holdings Inc’s 10-K?

Request /api/v1/filings?cik=1810182&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/alxo.md

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