---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-210370"
form_type: "8-K"
ticker: "WDC"
cik: "0000106040"
company_name: "WESTERN DIGITAL CORP"
filed_at: "2021-07-08T23:59:59+00:00"
generated_at: "2026-06-30T06:31:59.834363+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Western Digital appoints Thomas Caulfield and Miyuki Suzuki to Board of Directors

## Summary
- Dr. Thomas Caulfield and Miyuki Suzuki appointed to Board effective July 6, 2021.
- Both will serve until next annual meeting and until successors are elected.
- Compensation follows standard non-employee director program; indemnity agreements to be signed.
- No arrangements or material interests in any required disclosure transactions.

## SEC filing metadata
- accession: 0001193125-21-210370
- form_type: 8-K
- ticker: WDC
- cik: 0000106040
- company_name: WESTERN DIGITAL CORP
- filed_at: 2021-07-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/106040/000119312521210370/0001193125-21-210370-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/106040/000119312521210370/d62496d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-210370
- JSON: https://secwatch.observer/filing/0001193125-21-210370.json
- Plain text: https://secwatch.observer/filing/0001193125-21-210370.txt

## Key facts
- Executive change
  Dr. Thomas Caulfield was appointed as Director at WESTERN DIGITAL CORP.
  - Action: appointed
  - Role: Director
  source text: On July 6, 2021, the Board of Directors (the “Board”) of Western Digital Corporation (the “Company”) unanimously appointed Dr. Thomas Caulfield and Miyuki Suzuki to serve as members of the Board until the Company’s next annual meeting of stockholders and until their respective successors are duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/106040/000119312521210370/0001193125-21-210370-index.htm
- Executive change
  Miyuki Suzuki was appointed as Director at WESTERN DIGITAL CORP.
  - Action: appointed
  - Role: Director
  source text: On July 6, 2021, the Board of Directors (the “Board”) of Western Digital Corporation (the “Company”) unanimously appointed Dr. Thomas Caulfield and Miyuki Suzuki to serve as members of the Board until the Company’s next annual meeting of stockholders and until their respective successors are duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/106040/000119312521210370/0001193125-21-210370-index.htm

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