---
schema_version: "secwatch.filing_event.v1"
accession: "0001157523-24-000118"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2024-01-25T23:59:59+00:00"
generated_at: "2026-06-06T18:06:37.360329+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# AOSL DOJ closes criminal export-compliance investigation into Huawei transactions without charges

## Summary
- DOJ informed AOSL on Jan 19, 2024, that it closed the criminal investigation with no charges.
- Investigation related to export control regulations for transactions with Huawei and affiliates, ongoing since late 2019.
- Company will continue cooperating with DOC in the separate civil investigation and expects to resolve it.
- No financial penalty or adverse action from DOJ; removes significant legal overhang.

## SEC filing metadata
- accession: 0001157523-24-000118
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2024-01-25T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000115752324000118/0001157523-24-000118-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000115752324000118/a53888133.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001157523-24-000118
- JSON: https://secwatch.observer/filing/0001157523-24-000118.json
- Plain text: https://secwatch.observer/filing/0001157523-24-000118.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.