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AI brief of an SEC Form 8-K · Onto Innovation (ONTO)

Onto Innovation CFO Mark Slicer's employment terminated by mutual agreement, effective immediately

Neutral Impact 4 of 5 leadership Written later

Onto Innovation and Chief Financial Officer Mark Slicer agreed on June 12, 2025 to end his employment with the company, effective immediately. The filing says the separation was not the result of any disagreement over operations, policies or practices, and it does not name a successor.

Key points

  • Mark Slicer, CFO and principal financial and accounting officer, separated from the company on June 12, 2025
  • Termination was by mutual agreement, effective immediately
  • Filing states the separation was not due to any disagreement on operations, policies or practices

The filing

CompanyOnto Innovation (ONTO)
Form8-K, current report
Filed with the SECJun 12, 2025, 5:12 PM ET
Accession number0000950170-25-085569

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:17 AM ET, from the text of the filing and its press-release exhibits 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 June 12, 2025.

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