---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-047884"
form_type: "8-K"
ticker: "AOSL"
cik: "0001387467"
company_name: "ALPHA & OMEGA SEMICONDUCTOR Ltd"
filed_at: "2026-07-10T20:06:46+00:00"
generated_at: "2026-07-10T20:08:03.214899+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Alpha and Omega Semiconductor appoints Joshua Chien as independent director

## Summary
- Joshua Chien appointed to Board effective July 8, 2026, until 2026 annual meeting.
- Chien brings experience from Sonatus, SMTC (4x revenue growth), and Sanmina.
- Standard non-employee director compensation: $60,000 annual cash retainer and $170,000 in RSUs.
- No arrangements or transactions requiring disclosure under Item 404(a).

## SEC filing metadata
- accession: 0001628280-26-047884
- form_type: 8-K
- ticker: AOSL
- cik: 0001387467
- company_name: ALPHA & OMEGA SEMICONDUCTOR Ltd
- filed_at: 2026-07-10T20:06:46+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1387467/000162828026047884/0001628280-26-047884-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1387467/000162828026047884/aosl-20260708.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-047884
- JSON: https://secwatch.observer/filing/0001628280-26-047884.json
- Plain text: https://secwatch.observer/filing/0001628280-26-047884.txt

## Key facts
- Executive change
  Joshua Chien was appointed as independent director at ALPHA & OMEGA SEMICONDUCTOR Ltd.
  - Action: appointed
  - Role: independent director
  source text: On July 8, 2026, the Board of Directors (the “Board”) of Alpha and Omega Semiconductor Limited (the “Company”), upon recommendation from the Nominating and Corporate Governance Committee, appointed Mr. Joshua Chien to serve as an independent director of the Board, effective immediately and until the Company’s 2026 annual general meeting of shareholders and until his successor is duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1387467/000162828026047884/0001628280-26-047884-index.htm

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