ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) Historical Stock Prices
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) is a publicly traded company on the Nasdaq, categorized under SIC 3674 (Semiconductors & Related Devices). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: AOSL
CIK: 1387467
Exchange: Nasdaq
SIC 3674: Semiconductors & Related Devices
Fiscal Year End: 06/30
Independent PCAOB Auditor
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Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 6/30/2025 12:00:00 AM
Lead Engagement PartnerTravis Johns
Audit LocationSan Jose, California, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| ARS | 2026-09-30 | 2026-06-30 | ARS | 0001628280-26-063965 | View SEC Doc Filr Page |
| DEFA14A | 2026-09-30 | — | DEFA14A FY2026 | 0001628280-26-063964 | View SEC Doc Filr Page |
| DEF 14A | 2026-09-30 | 2026-06-30 | DEF 14A | 0001628280-26-063962 | View SEC Doc Filr Page |
| 4 | 2026-09-11 | 2026-08-24 | FORM 4 | 0001628280-26-061540 | View SEC Doc Filr Page |
| 4 | 2026-09-11 | 2026-08-24 | FORM 4 | 0001628280-26-061534 | View SEC Doc Filr Page |
| S-8 | 2026-08-27 | — | S-8 | 0001628280-26-059264 | View SEC Doc Filr Page |
| 10-K | 2026-08-27 | 2026-06-30 | 10-K | 0001628280-26-059261 | View SEC Doc Filr Page |
| 4 | 2026-08-14 | 2026-08-13 | FORM 4 | 0001628280-26-057089 | View SEC Doc Filr Page |
| 8-K | 2026-08-12 | 2026-08-12 | 8-K | 0001628280-26-056197 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-10 | — | SCHEDULE 13G/A Filing | 0001628280-26-055403 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-07 | — | SCHEDULE 13G Filing | 0000093751-26-000406 | View SEC Doc Filr Page |
| 4 | 2026-07-21 | 2026-07-20 | FORM 4 | 0001628280-26-048990 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-16 | FORM 4 | 0001628280-26-048730 | View SEC Doc Filr Page |
| 3 | 2026-07-17 | 2026-07-08 | FORM 3 | 0001628280-26-048620 | View SEC Doc Filr Page |
| 144 | 2026-07-16 | — | 144 Filing | 0001950047-26-007146 | View SEC Doc Filr Page |
| 4 | 2026-07-15 | 2026-07-13 | FORM 4 | 0001628280-26-048371 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-14 | — | SCHEDULE 13G/A Filing | 0000354204-26-000773 | View SEC Doc Filr Page |
| 8-K | 2026-07-10 | 2026-07-08 | 8-K | 0001628280-26-047884 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-16 | FORM 4 | 0001628280-26-044014 | View SEC Doc Filr Page |
| 144 | 2026-06-16 | — | 144 Filing | 0001950047-26-006165 | View SEC Doc Filr Page |
| 4 | 2026-06-03 | 2026-06-01 | FORM 4 | 0001628280-26-040485 | View SEC Doc Filr Page |
| 4 | 2026-05-28 | 2026-05-26 | FORM 4 | 0001628280-26-038835 | View SEC Doc Filr Page |
| 4 | 2026-05-27 | 2026-05-22 | FORM 4 | 0001628280-26-038447 | View SEC Doc Filr Page |
| 4 | 2026-05-26 | 2026-05-22 | FORM 4 | 0001628280-26-038059 | View SEC Doc Filr Page |
| 4 | 2026-05-26 | 2026-05-21 | FORM 4 | 0001628280-26-038057 | View SEC Doc Filr Page |