---
schema_version: "secwatch.filing_event.v1"
accession: "0001387467-25-000015"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2025-02-05T23:59:59+00:00"
generated_at: "2026-05-27T02:29:08.916149+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# AOS reports Q2 fiscal 2025 GAAP net loss of $6.6M, revenue $173.2M, down QoQ

## Summary
- GAAP revenue $173.2M, up 4.8% YoY but down 4.8% sequentially from $181.9M.
- GAAP gross margin 23.1%, down from 24.5% QoQ and 26.6% YoY; operating loss of $5.9M vs loss $1.1M YoY.
- GAAP diluted EPS loss $0.23; non-GAAP diluted EPS $0.09 (vs $0.24 YoY).
- Non-GAAP operating income $3.0M, net income $2.7M; down from $8.4M and $7.2M YoY respectively.

## SEC filing metadata
- accession: 0001387467-25-000015
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2025-02-05T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000138746725000015/0001387467-25-000015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000138746725000015/aosl-20250205.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001387467-25-000015
- JSON: https://secwatch.observer/filing/0001387467-25-000015.json
- Plain text: https://secwatch.observer/filing/0001387467-25-000015.txt

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