---
schema_version: "secwatch.filing_event.v1"
accession: "0001387467-24-000066"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2024-08-07T23:59:59+00:00"
generated_at: "2026-05-31T11:39:50.056866+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# AOS Q4 revenue $161.3M flat YoY; GAAP EPS -$0.09, non-GAAP EPS $0.09

## Summary
- Q4 GAAP net loss $2.7M ($0.09 diluted EPS) vs loss $1.1M YoY; non-GAAP net income $2.6M ($0.09).
- Revenue $161.3M, up 7.5% QoQ from $150.1M but flat vs $161.5M year ago.
- GAAP gross margin 25.7%, up from 23.7% Q3 but down from 27.6% YoY; GAAP operating loss narrowed to $1.5M.
- Non-GAAP operating income $3.2M vs loss $1.1M in Q3; management guided for September quarter in earnings call.

## SEC filing metadata
- accession: 0001387467-24-000066
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2024-08-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000138746724000066/0001387467-24-000066-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000138746724000066/aosl-20240807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001387467-24-000066
- JSON: https://secwatch.observer/filing/0001387467-24-000066.json
- Plain text: https://secwatch.observer/filing/0001387467-24-000066.txt

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