---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-011212"
form_type: "8-K"
ticker: "ONTO"
cik: "0000704532"
company_name: "ONTO INNOVATION INC."
filed_at: "2022-03-21T23:59:59+00:00"
generated_at: "2026-06-26T21:31:57.811381+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Onto Innovation appoints May Su to Board of Directors effective March 21, 2022

## Summary
- Board size increased from 8 to 9 members with Su's appointment.
- Su is CEO of Kateeva and brings 35+ years in semiconductor capital equipment industry.
- She will serve until the 2022 Annual Meeting and joins the Compensation Committee.
- Su's appointment fills the gap from previously announced retirements of Brown and Rhine at Annual Meeting.

## SEC filing metadata
- accession: 0001564590-22-011212
- form_type: 8-K
- ticker: ONTO
- cik: 0000704532
- company_name: ONTO INNOVATION INC.
- filed_at: 2022-03-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/704532/000156459022011212/0001564590-22-011212-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/704532/000156459022011212/onto-8k_20220321.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-011212
- JSON: https://secwatch.observer/filing/0001564590-22-011212.json
- Plain text: https://secwatch.observer/filing/0001564590-22-011212.txt

## Key facts
- Executive change
  May Su was appointed as Director at ONTO INNOVATION INC..
  - Action: appointed
  - Role: Director
  source text: Effective March 21, 2022, the Board of Directors ("the Board") of Onto Innovation Inc. (the "Company") appointed May Su to the Board to hold office until the 2022 Annual Meeting of Stockholders (the "Annual Meeting").
  evidence_url: https://www.sec.gov/Archives/edgar/data/704532/000156459022011212/0001564590-22-011212-index.htm

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