---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-217617"
form_type: "8-K"
ticker: "DIOD"
cik: "0000029002"
company_name: "DIODES INC /DEL/"
filed_at: "2026-05-12T00:47:29+00:00"
generated_at: "2026-05-12T10:16:10.781576+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Diodes Chairman Keh-Shew Lu resigns after withhold vote; Angie Chen Button named Chair

## Summary
- Dr. Lu received 38.2M withhold votes vs 3.5M for; voluntarily resigned effective May 11, 2026.
- Lu served 21 years, scaling revenue from ~$215M to over $1B; remains Special Advisor to CEO.
- Angie Chen Button, independent director since 2021, elected Chairwoman; was Lead Director since 2023.
- Button has 30+ years at Texas Instruments and serves in Texas House of Representatives since 2009.
- Board also elected Lu to board earlier that day at annual meeting; seven directors elected total.

## SEC filing metadata
- accession: 0001193125-26-217617
- form_type: 8-K
- ticker: DIOD
- cik: 0000029002
- company_name: DIODES INC /DEL/
- filed_at: 2026-05-12T00:47:29+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/diod-20260511.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-217617
- JSON: https://secwatch.observer/filing/0001193125-26-217617.json
- Plain text: https://secwatch.observer/filing/0001193125-26-217617.txt

## Key facts
- Executive change
  Keh-Shew Lu resigned as Chairman of the Board at DIODES INC /DEL/.
  - Action: resigned
  - Role: Chairman of the Board
  source text: Dr. Lu informed the Company that, rather than tendering a resignation for consideration under the Director Resignation Policy, he was voluntarily resigning from the Board of Directors effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm
- Executive change
  Angie Chen Button was appointed as Chairwoman at DIODES INC /DEL/.
  - Action: appointed
  - Role: Chairwoman
  source text: the Board appointed Ms. Angie Chen Button as Chairwoman of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm
- Shareholder Votes
  DIODES INC /DEL/ shareholders approved Approval of Executive Compensation - advisory vote at the 2026-05-11 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2026-05-11
  source text: 2. Approval of Executive Compensation : The final results of the number of votes cast for and against, as well as the number of abstentions and broker non-votes, as to the approval of the compensation of the Company’s named executive officers on an advisory basis are as follows:
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm
- Shareholder Votes
  DIODES INC /DEL/ shareholders approved Election of seven persons to the Board of Directors at the 2026-05-11 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2026-05-11
  source text: 1. Election of Directors: The stockholders elected the following seven directors: Elizabeth Bull, Angie Chen Button, Warren Chen, Keh-Shew Lu, Phillip J. Ritter, Huey-Jen (Jenny) Su, and Gary Yu. The final results of the number of votes cast for and withheld, as well as the number of broker non-votes, as to each nominee for the Board are as follows:
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm
- Shareholder Votes
  DIODES INC /DEL/ shareholders approved Ratification of appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm at the 2026-05-11 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2026-05-11
  source text: 3. Ratification of Appointment of Independent Registered Public Accounting Firm The final results of the number of votes cast for and against, as well as the number of abstentions and broker non-votes, as to the ratification of the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 are as follows:
  evidence_url: https://www.sec.gov/Archives/edgar/data/29002/000119312526217617/0001193125-26-217617-index.htm

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