Alx Oncology Holdings Inc SEC filings ALXO

Alx Oncology Holdings Inc has 421 filings in SEC EDGAR's recent list, going back to May 5, 2020. Its latest annual report, Form ARS, was filed on Apr 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 15, 2026 (material agreement, unregistered share sale). The company's fiscal year ends on December 31.

Alx Oncology Holdings Inc SEC filings
Form Description Filed Period
424B5 Prospectus supplement Jan 30, 2026 —
S-8 Employee stock plan registration Jan 21, 2026 —
S-3 Shelf registration Mar 6, 2025 —
S-8 Employee stock plan registration Jan 17, 2025 —
S-8 Employee stock plan registration Mar 8, 2024 —
424B5 Prospectus supplement Oct 6, 2023 —
424B5 Prospectus supplement Oct 4, 2023 —
424B3 Prospectus Sep 8, 2023 —
S-3 Shelf registration Sep 1, 2023 —
424B5 Prospectus supplement Aug 25, 2023 —
S-8 Employee stock plan registration Mar 9, 2023 —
POS AM Filing May 27, 2022 —
S-3/A Filing May 13, 2022 —
S-3 Shelf registration Mar 25, 2022 —
S-8 Employee stock plan registration Feb 28, 2022 —
424B5 Prospectus supplement Dec 17, 2021 —
S-3ASR Automatic shelf registration Aug 13, 2021 —
S-8 Employee stock plan registration Mar 18, 2021 —
424B4 Prospectus Dec 11, 2020 —
S-1MEF Filing Dec 9, 2020 —
S-1 Registration statement Dec 7, 2020 —
S-8 Employee stock plan registration Jul 17, 2020 —
424B4 Prospectus Jul 17, 2020 —
S-1MEF Filing Jul 16, 2020 —
S-1/A Amended registration statement Jul 13, 2020 —
S-1 Registration statement Jun 26, 2020 —

Showing 26 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
ALXO (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
South San Francisco, CA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1810182

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.