Mark Slicer - Jun 12, 2025 Form 4 Insider Report for ONTO INNOVATION INC. (ONTO)

Role: Chief Financial Officer
Signature: By: Yoon Ah Oh For: Mark R. Slicer
Stock symbol: ONTO
Transactions as of: Jun 12, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/13/2025, 04:47 PM
Previous filing: May 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Slicer Mark	Chief Financial Officer	16 JONSPIN ROAD, WILMINGTON	By: Yoon Ah Oh For: Mark R. Slicer	2025-06-13	0001930126

Mark Slicer is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Remarks:

This exit Form 4 is filed solely to report that, effective June 12, 2025, the reporting person is no longer an 'officer' of Onto Innovation Inc. within the meaning of Rule 16a-1.