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