AOSL - CIK 0001387467
ALPHA & OMEGA SEMICONDUCTOR Ltd has filed 966 documents with the SEC between 2007 and 2026. The most frequent type is insider trade (487 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Insider trade | 4 | 2025-11-12 | 2025-11-11 |
| Quarterly report | 10-Q | 2025-11-06 | 2025-09-30 |
| Major company event | 8-K | 2025-11-05 | 2025-11-05 |
| Insider trade | 4 | 2025-10-21 | 2025-10-20 |
| Insider trade | 4 | 2025-10-21 | 2025-10-17 |
| Annual report to shareholders | ARS | 2025-09-18 | 2025-06-30 |
| Proxy materials | DEFA14A | 2025-09-18 | - |
| Proxy statement | DEF 14A | 2025-09-18 | 2025-06-30 |
| Insider trade | 4 | 2025-09-10 | 2025-09-09 |
| Insider trade | 4 | 2025-09-02 | 2025-08-15 |
| Employee stock plan | S-8 | 2025-08-28 | - |
| Annual report | 10-K | 2025-08-28 | 2025-06-30 |
| SCHEDULE 13G/A | - | 2025-08-14 | - |
| Major company event | 8-K | 2025-08-06 | 2025-08-06 |
| Major company event | 8-K | 2025-07-14 | 2025-07-14 |
| SEC correspondence | UPLOAD | 2025-06-05 | - |
| Major company event (amended) | 8-K/A | 2025-06-04 | 2024-11-19 |
| Company correspondence | CORRESP | 2025-06-04 | - |
| SCHEDULE 13G | - | 2025-05-15 | - |
| SEC correspondence | UPLOAD | 2025-05-15 | - |
| Insider trade | 4 | 2025-05-13 | 2025-05-12 |
| Quarterly report | 10-Q | 2025-05-08 | 2025-03-31 |
| Major company event | 8-K | 2025-05-07 | 2025-05-07 |
| SCHEDULE 13G/A | - | 2025-04-30 | - |
| Company correspondence | CORRESP | 2025-04-25 | - |
| SCHEDULE 13G/A | - | 2025-04-15 | - |
| SEC correspondence | UPLOAD | 2025-04-11 | - |
| Insider trade | 4 | 2025-03-18 | 2025-03-17 |
| Insider trade | 4 | 2025-03-18 | 2025-03-17 |
| Insider trade | 4 | 2025-03-18 | 2025-03-17 |
| Insider trade | 4 | 2025-03-18 | 2025-03-17 |
| Insider trade | 4 | 2025-03-18 | 2025-03-17 |
| Major company event | 8-K | 2025-03-04 | 2025-02-28 |
| SD | - | 2025-02-28 | - |
| SCHEDULE 13G/A | - | 2025-02-12 | - |
| Quarterly report | 10-Q | 2025-02-06 | 2024-12-31 |
| Major company event | 8-K | 2025-02-05 | 2025-02-05 |
| Insider trade | 4 | 2025-01-14 | 2025-01-13 |
| Insider sale notice | 144 | 2025-01-13 | - |
| Insider trade | 4 | 2025-01-03 | 2025-01-02 |
| Insider trade | 4 | 2025-01-03 | 2025-01-02 |
| Insider trade | 4 | 2025-01-03 | 2025-01-02 |
| Insider trade | 4 | 2025-01-03 | 2025-01-02 |
| Insider trade | 4 | 2025-01-03 | 2025-01-02 |