Alpha and Omega Semiconductor SEC Filings
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Alpha and Omega Semiconductor filing overview
This page lists 60 recent SEC filings by Alpha and Omega Semiconductor (AOSL), including 38 4, 9 8-K, 4 SCHEDULE 13G/A, 3 10-Q. The latest annual report (10-K) was filed on Aug 27, 2026 for the period ending Jun 30, 2026. The most recent quarterly report (10-Q) was filed on May 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 12, 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
AOSL SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 30, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Sep 11, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 11, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 27, 2026 | 10-K | Annual report | View on EDGAR |
| Aug 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 12, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 10, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 7, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jul 10, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jun 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 12, 2026 | 8-K | Completion of Acquisition or Disposition of Assets | View on EDGAR |
| May 6, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 17, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Apr 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 9, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 25, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Mar 25, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 9, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Feb 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 5, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 5, 2026 | 10-Q | 10-Q Q2'26 | View on EDGAR |
| Jan 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 17, 2025 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Nov 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 6, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Nov 5, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Sep 18, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |