ALX Oncology SEC Filings
NASDAQ: ALXOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
ALX Oncology filing overview
This page lists 60 recent SEC filings by ALX Oncology (ALXO), including 29 4, 12 8-K, 7 SCHEDULE 13G/A, 4 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 9, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 6, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
ALXO SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Aug 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 6, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 27, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 30, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure; Other Events | View on EDGAR |
| Jun 26, 2026 | 8-K | Entry into a Material Definitive Agreement; Termination of a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement | View on EDGAR |
| Jun 11, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 27, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 8, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 8, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 28, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Apr 20, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Mar 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 9, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 27, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 9, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Feb 6, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Feb 4, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Feb 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 30, 2026 | 8-K | Other Events | View on EDGAR |
| Jan 30, 2026 | 8-K | Entry into a Material Definitive Agreement; Other Events | View on EDGAR |
| Jan 30, 2026 | 424B5 | Prospectus | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jan 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 14, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 14, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 7, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 7, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 22, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 8, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Sep 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 18, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 12, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Aug 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |