---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-008822"
form_type: "8-K"
ticker: "DIOD"
cik: "0000029002"
company_name: "DIODES INC /DEL/"
filed_at: "2025-01-24T23:59:59+00:00"
generated_at: "2026-05-27T12:05:14.452514+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Diodes appoints Dr. Huey-Jen Jenny Su to Board; director Sung to retire at 2025 annual meeting

## Summary
- Dr. Su appointed effective Feb 3, 2025; compensation initially $7,000 until shareholder election in May 2025.
- After appointment, Board will have 8 directors, 4 female; Dr. Su not assigned committees until elected.
- Dr. Su is Honorary Professor at National Cheng Kung University, former president, expert in environmental health.
- Current director Christina Wen-Chi Sung notified she will not stand for re-election and retire at 2025 annual meeting.
- Dr. Su qualifies as independent under Nasdaq and SEC rules; no family relationships or reportable transactions.

## SEC filing metadata
- accession: 0000950170-25-008822
- form_type: 8-K
- ticker: DIOD
- cik: 0000029002
- company_name: DIODES INC /DEL/
- filed_at: 2025-01-24T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/29002/000095017025008822/0000950170-25-008822-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/29002/000095017025008822/diod-20250122.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-008822
- JSON: https://secwatch.observer/filing/0000950170-25-008822.json
- Plain text: https://secwatch.observer/filing/0000950170-25-008822.txt

## Key facts
- Executive change
  Christina Wen-Chi Sung departed as Director at DIODES INC /DEL/.
  - Action: notified decision not to stand for re-election and retire
  - Role: Director
  source text: On January 22, 2025, Ms. Christina Wen-Chi Sung notified the Company of her decision not to stand for re-election to the Board and to retire from the Board when her current term expires at the Company's 2025 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000095017025008822/0000950170-25-008822-index.htm
- Executive change
  Dr. Huey-Jen Jenny Su was appointed as Director at DIODES INC /DEL/.
  - Action: appointed
  - Role: Director
  source text: On January 22, 2025 the Board of Directors (the “Board”) of Diodes Incorporated (the “Company”) appointed Dr. Huey-Jen Jenny Su to the Board effective February 3, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000095017025008822/0000950170-25-008822-index.htm

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