Ido Dolev - Dec 2, 2025 Form 4 Insider Report for ONTO INNOVATION INC. (ONTO)

Signature
By: Eric French For: Ido Dolev
Stock symbol
ONTO
Transactions as of
Dec 2, 2025
Transactions value $
-$490,214
Form type
4
Date filed
12/4/2025, 04:04 PM
Previous filing
Jun 4, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Dolev Ido EVP, Prod Solutions Grp C/O ONTO INNOVATION INC., 16 JONSPIN ROAD, WILMINGTON By: Eric French For: Ido Dolev 2025-12-04 0002046735

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ONTO Common Stock Tax liability -$490K -3.18K -11.75% $154.01 23.9K Dec 2, 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares withheld by Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock unit or performance stock unit grants previously received by the Reporting Person.
F2 Includes 145 shares purchased on June 30, 2025 pursuant to the Issuer's Employee Stock Purchase Plan.