---
schema_version: "secwatch.filing_event.v1"
accession: "0001157523-21-001054"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2021-08-13T23:59:59+00:00"
generated_at: "2026-06-29T11:11:09.501257+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Alpha and Omega Semiconductor appoints Dr. Wenjun Li as COO effective Aug 12, 2021

## Summary
- Dr. Wenjun Li, formerly EVP of Worldwide Manufacturing, promoted to COO effective August 12, 2021.
- Li has over 25 years semiconductor experience, previously managed wafer foundries and Jireh Semiconductor.
- Compensation Committee granted Dr. Bing Xue, EVP of Worldwide Sales, 4,000 RSUs vesting over 4 years as special bonus.

## SEC filing metadata
- accession: 0001157523-21-001054
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2021-08-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/0001157523-21-001054-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/a52476520.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001157523-21-001054
- JSON: https://secwatch.observer/filing/0001157523-21-001054.json
- Plain text: https://secwatch.observer/filing/0001157523-21-001054.txt

## Key facts
- Executive change
  Dr. Wenjun Li was appointed as Chief Operating Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd.
  - Action: appointed and promoted
  - Role: Chief Operating Officer
  source text: On August 12, 2021, Alpha and Omega Semiconductor Limited (the “Company”) announced that the Board of Directors of the Company has appointed and promoted Dr. Wenjun Li, currently Executive Vice President of World-Wide Manufacturing, to be the Chief Operating Officer of the Company, effective August 12, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1387467/000115752321001054/0001157523-21-001054-index.htm

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