---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-034832"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2025-07-14T23:59:59+00:00"
generated_at: "2026-05-18T06:37:48.701289+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# AOS to sell 20.3% of CQJV stake for $150M; expects impairment charge

## Summary
- Sale of ~20.3% equity interest in Chongqing JV (CQJV) to strategic investor for $150M cash, payable in 4 installments.
- AOS owned 39.2% of CQJV pre-sale; sold stake represents about half of its holding; remaining stake ~18.9%.
- Expects to recognize GAAP impairment charge on CQJV investment for quarter ended June 30, 2025; non-GAAP excludes.
- Proceeds to fund technology, R&D, and asset acquisitions; existing supply and IP agreements with CQJV unaffected.
- Closing expected before end of 2025; Needham & Co acted as financial advisor; ROTH Capital provided fairness opinion.

## SEC filing metadata
- accession: 0001628280-25-034832
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2025-07-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000162828025034832/0001628280-25-034832-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000162828025034832/aosl-20250714.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-034832
- JSON: https://secwatch.observer/filing/0001628280-25-034832.json
- Plain text: https://secwatch.observer/filing/0001628280-25-034832.txt

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