ALPHA & OMEGA SEMICONDUCTOR Ltd SEC filings AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd has 989 filings in SEC EDGAR's recent list, going back to Jan 16, 2007. Its latest annual report, Form ARS, was filed on Sep 30, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on May 6, 2026, covering the quarter ended Mar 31, 2026. The most recent current report (Form 8-K) was filed on Aug 12, 2026 (results of operations). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 27, 2026 | — |
| S-8 | Employee stock plan registration | Aug 28, 2025 | — |
| S-8 | Employee stock plan registration | May 8, 2024 | — |
| S-8 | Employee stock plan registration | Feb 8, 2023 | — |
| S-8 | Employee stock plan registration | Nov 12, 2021 | — |
| S-8 POS | S-8 pos 2018 (6) | Nov 9, 2018 | — |
| S-8 POS | S-8 pos 2018 (5) | Nov 9, 2018 | — |
| S-8 POS | S-8 pos 2018 (4) | Nov 9, 2018 | — |
| S-8 POS | S-8 pos 2018 (3) | Nov 9, 2018 | — |
| S-8 POS | S-8 pos 2018 #2 | Nov 9, 2018 | — |
| S-8 POS | S-8 pos 2018 | Nov 9, 2018 | — |
| S-8 | Employee stock plan registration | Nov 9, 2018 | — |
| S-3/A | Amendment no. 1 to form s-3 | Jan 11, 2017 | — |
| S-3 | Shelf registration | Nov 17, 2016 | — |
| S-8 | Employee stock plan registration | Nov 13, 2015 | — |
| S-8 | Employee stock plan registration | Aug 30, 2013 | — |
| S-8 | Employee stock plan registration | Feb 6, 2013 | — |
| S-8 | Employee stock plan registration | Mar 15, 2012 | — |
| S-8 | Employee stock plan registration | Feb 11, 2011 | — |
| S-8 | Employee stock plan registration | Apr 30, 2010 | — |
| 424B4 | Prospectus | Apr 29, 2010 | — |
| F-1/A | Amendment no. 4 to form f-1 | Apr 28, 2010 | — |
| FWP | Free writing prospectus | Apr 21, 2010 | — |
| F-1/A | Amendment no. 3 to form f-1 | Apr 21, 2010 | — |
| F-1/A | Amendment no. 2 to form f-1 | Apr 19, 2010 | — |
| F-1/A | Amendment no. 1 to form f-1 | Apr 9, 2010 | — |
| F-1 | Registration statement (foreign issuer) | Mar 31, 2010 | — |
Showing 27 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
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- AOSL (Nasdaq)
- Fiscal year ends
- June 30
- Headquarters
- Sunnyvale, CA
- SEC filer status
- Accelerated filer
- SEC CIK
- 1387467
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.