

1,402,106 filings since 2004 · latest accepted Nov 4, 2026, 10:45 AM ET
Priority items usually mark a change in credit, accounting integrity, control or listing status: 1.02 Agreement terminated, 1.03 Bankruptcy, 1.05 Cybersecurity incident, 2.04 Debt acceleration, 2.05 Restructuring costs, 2.06 Impairment, 3.01 Delisting notice, 4.01 Auditor change, 4.02 Non-reliance (restatement), 5.01 Change in control.
| Filed | Company | Items | Filing |
|---|---|---|---|
Jun 4, 2025 accepted 4:12 PM ET | AOSLALPHA & OMEGA SEMICONDUCTOR Ltd | 8-K/A 4.01Auditor change | DocumentSEC ↗ |
Nov 25, 2024 accepted 4:01 PM ET | AOSLALPHA & OMEGA SEMICONDUCTOR Ltd | 4.01Auditor change |
Source: SEC EDGAR. Same-day filings appear within minutes and are re-checked against SEC's nightly index. Tickers are current listings, so a company's older filings show its ticker today.
| DocumentSEC ↗ |
Oct 11, 2022 accepted 4:02 PM ET | AOSLALPHA & OMEGA SEMICONDUCTOR Ltd | 4.01Auditor change | DocumentSEC ↗ |
Sep 17, 2018 accepted 4:06 PM ET | AOSLALPHA & OMEGA SEMICONDUCTOR Ltd | 4.01Auditor change | DocumentSEC ↗ |
Sep 27, 2011 accepted 2:14 PM ET | AOSLALPHA & OMEGA SEMICONDUCTOR Ltd | 4.01Auditor change | DocumentSEC ↗ |