Susan D. Lynch - 21 May 2025 Form 4 Insider Report for ONTO INNOVATION INC. (ONTO)

Role: Director
Signature: By: Mark R. Slicer For: Susan D. Lynch
Issuer symbol: ONTO
Transactions as of: 21 May 2025
Net transactions value: $0
Form type: 4
Filing time: 23 May 2025, 16:09:15 UTC
Previous filing: 30 Apr 2025
Next filing: 08 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lynch Susan D	Director	C/O ONTO INNOVATION INC., 16 JONSPIN ROAD, WILMINGTON	By: Mark R. Slicer For: Susan D. Lynch	23 May 2025	0001784973

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ONTO	Common Stock	Award	$0	+2,114	+261%	$0.000000	2,923	21 May 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one (1) share of ONTO Common Stock. 100% of the shares of Common Stock subject to the RSU vest one (1) year from the grant date.