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AI brief of an SEC Form 8-K · ON Semiconductor (ON)

ON Semiconductor chair Alan Campbell to retire; Thomas Deitrich named successor

Neutral Impact 4 of 5 leadership Written later

Alan Campbell, chair of ON Semiconductor's board, notified the company on November 4, 2025 that he will retire from the board and its committees at the end of his current term, just before the 2026 annual meeting. The board has appointed Thomas L. Deitrich to succeed him as chair, subject to Deitrich's renomination and reelection, which the filing says is meant to keep board leadership continuous.

Key points

  • Alan Campbell gave notice of retirement on November 4, 2025; he will remain chair until he retires.
  • The 2026 annual meeting of stockholders is scheduled for May 14, 2026.
  • Thomas L. Deitrich was appointed to succeed Campbell as board chair, assuming his renomination and reelection.
  • Campbell said his decision was not due to any disagreement with the company over its operations, policies or practices.

The filing

CompanyON Semiconductor (ON)
Form8-K, current report
Filed with the SECNov 5, 2025, 8:05 AM ET
Accession number0001140361-25-040434

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:10 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 05, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.