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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Aug 12, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 10, 2026 | Jul 8, 2026 |
| 8-K |
Current report
Acquisition or sale of assets
|
May 12, 2026 | May 11, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 17, 2026 | Apr 13, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 9, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Nov 17, 2025 | Nov 11, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 14, 2025 | Jul 14, 2025 |
| 8-K/A |
Amended current report
Auditor change
|
Jun 4, 2025 | Nov 19, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 4, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Auditor change
|
Nov 25, 2024 | Nov 19, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Nov 12, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2024 | Feb 6, 2024 |
| 8-K |
Current report
Other events
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Nov 14, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2023 | Feb 23, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2023 | Feb 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 8, 2022 | Dec 6, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Dec 1, 2022 | Nov 29, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Auditor change
|
Oct 11, 2022 | Oct 5, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 28, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2022 | Feb 7, 2022 |
| 8-K |
Current report
Other events
|
Jan 27, 2022 | Jan 26, 2022 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure
|
Dec 7, 2021 | Dec 1, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Nov 12, 2021 | Nov 11, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 13, 2021 | Aug 12, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2021 | Aug 11, 2021 |
| 8-K |
Current report
Other events
|
Jun 8, 2021 | Jun 8, 2021 |
| 8-K |
Current report
Results of operations
|
May 5, 2021 | May 5, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 5, 2021 | Feb 3, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2021 | Feb 4, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Nov 16, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 5, 2020 | Oct 5, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 17, 2020 | Aug 12, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2020 | Aug 11, 2020 |
| 8-K |
Current report
Results of operations
|
May 5, 2020 | May 5, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2020 | Feb 5, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Nov 12, 2019 | Nov 7, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2019 | Aug 7, 2019 |
| 8-K |
Current report
Officer or director change
|
May 9, 2019 | May 6, 2019 |
| 8-K |
Current report
Results of operations
|
May 2, 2019 | May 2, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2019 | Feb 6, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Nov 13, 2018 | Nov 8, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Auditor change
|
Sep 17, 2018 | Sep 11, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2018 | Aug 8, 2018 |
| 8-K/A |
Amended current report
Material agreement
|
May 25, 2018 | May 9, 2018 |
| 8-K |
Current report
Material agreement
|
May 11, 2018 | May 9, 2018 |
| 8-K |
Current report
Results of operations
|
May 2, 2018 | May 2, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2018 | Feb 7, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2017 | Nov 15, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Nov 14, 2017 | Nov 8, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2017 | Aug 9, 2017 |
| 8-K |
Current report
Results of operations
|
May 3, 2017 | May 3, 2017 |
| 8-K |
Current report
Officer or director change
|
Mar 7, 2017 | Mar 1, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 8, 2017 | Feb 8, 2017 |
| 8-K |
Current report
Material agreement
|
Jan 17, 2017 | Jan 10, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Nov 14, 2016 | Nov 9, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2016 | Nov 3, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Results of operations
|
May 4, 2016 | May 4, 2016 |
| 8-K |
Current report
Material agreement, Exit or restructuring costs
|
Mar 29, 2016 | Mar 29, 2016 |
| 8-K |
Current report
Other events
|
Mar 25, 2016 | Mar 24, 2016 |
| 8-K |
Current report
Officer or director change
|
Feb 29, 2016 | Feb 24, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2016 | Feb 3, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Nov 12, 2015 | Nov 9, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2015 | Nov 5, 2015 |
| 8-K |
Current report
Other events
|
Sep 25, 2015 | Sep 25, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2015 | Aug 11, 2015 |
| 8-K |
Current report
Officer or director change
|
Aug 5, 2015 | Jul 31, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
May 5, 2015 | May 5, 2015 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2015 | Mar 23, 2015 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2015 | Feb 3, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Nov 13, 2014 | Nov 10, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2014 | Nov 6, 2014 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2014 | Aug 14, 2014 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2014 | Aug 15, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2014 | Aug 12, 2014 |
| 8-K |
Current report
Officer or director change
|
Jun 10, 2014 | Jun 4, 2014 |
| 8-K |
Current report
Results of operations
|
May 6, 2014 | May 6, 2014 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 5, 2014 | Feb 5, 2014 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2014 | Jan 30, 2014 |
| 8-K |
Current report
Officer or director change
|
Jan 30, 2014 | Jan 25, 2014 |
| 8-K |
Current report
Officer or director change
|
Nov 18, 2013 | Nov 12, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Nov 14, 2013 | Nov 11, 2013 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2013 | Oct 30, 2013 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2013 | Oct 3, 2013 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2013 | Aug 13, 2013 |
| 8-K |
Current report
Officer or director change
|
Jun 13, 2013 | Jun 10, 2013 |
| 8-K |
Current report
Officer or director change
|
May 15, 2013 | May 9, 2013 |
| 8-K |
Current report
Results of operations, Impairment
|
Apr 29, 2013 | Apr 26, 2013 |
| 8-K |
Current report
Officer or director change
|
Apr 12, 2013 | Apr 8, 2013 |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2013 | Feb 19, 2013 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2013 | Jan 30, 2013 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 10, 2013 | Jan 9, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Nov 16, 2012 | Nov 15, 2012 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2012 | Oct 30, 2012 |
| 8-K |
Current report
Officer or director change
|
Aug 15, 2012 | Aug 9, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2012 | Aug 14, 2012 |
| 8-K |
Current report
Officer or director change
|
May 2, 2012 | Apr 26, 2012 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2012 | Apr 25, 2012 |
| 8-K |
Current report
Officer or director change
|
Feb 16, 2012 | Feb 15, 2012 |
| 8-K |
Current report
Other events
|
Feb 6, 2012 | Jan 31, 2012 |
| 8-K |
Current report
Results of operations
|
Jan 25, 2012 | Jan 25, 2012 |
| 8-K |
Current report
Material agreement
|
Dec 20, 2011 | Dec 14, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Nov 21, 2011 | Nov 18, 2011 |
| 8-K |
Current report
Material agreement
|
Nov 15, 2011 | Nov 14, 2011 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2011 | Nov 2, 2011 |
| 8-K |
Current report
Results of operations
|
Sep 30, 2011 | Sep 30, 2011 |
| 8-K |
Current report
Auditor change
|
Sep 27, 2011 | Sep 26, 2011 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 29, 2011 | Aug 27, 2011 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2011 | Aug 10, 2011 |
| 6-K | Current report (foreign issuer) | May 12, 2011 | May 11, 2011 |
| 6-K | Current report (foreign issuer) | Apr 26, 2011 | Apr 26, 2011 |
| 6-K | Current report (foreign issuer) | Mar 8, 2011 | Mar 8, 2011 |
| 6-K | Current report (foreign issuer) | Feb 24, 2011 | Feb 23, 2011 |
| 6-K | Current report (foreign issuer) | Feb 2, 2011 | Feb 2, 2011 |
| 6-K | Current report (foreign issuer) | Dec 8, 2010 | Dec 8, 2010 |
| 6-K | Current report (foreign issuer) | Dec 3, 2010 | Dec 3, 2010 |
| 6-K | Current report (foreign issuer) | Nov 30, 2010 | Nov 30, 2010 |
| 6-K | Current report (foreign issuer) | Nov 10, 2010 | Nov 9, 2010 |
| 6-K | Current report (foreign issuer) | Oct 28, 2010 | Oct 28, 2010 |
| 6-K | Current report (foreign issuer) | Oct 19, 2010 | Oct 18, 2010 |
| 6-K | Current report (foreign issuer) | Aug 10, 2010 | Aug 10, 2010 |
| 6-K | Current report (foreign issuer) | May 14, 2010 | May 14, 2010 |
Showing 144 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
Other Semiconductors & Related Devices companies
- Nvidia Corp NVDA
- Broadcom Inc. AVGO
- Micron Technology Inc MU
- Advanced Micro Devices Inc AMD
- Intel Corp INTC
- Applied Materials Inc /DE AMAT
- Texas Instruments Inc TXN
- Arm Holdings PLC /UK ARM
Source: SEC EDGAR filings. This is company-reported data, not investment advice.