Ramil Yaldaei - Oct 3, 2025 Form 4 Insider Report for ONTO INNOVATION INC. (ONTO)

Role
Chief Operating Officer
Signature
By: Eric French For: Ramil Yaldaei
Stock symbol
ONTO
Transactions as of
Oct 3, 2025
Transactions value $
-$85,364
Form type
4
Date filed
10/6/2025, 04:06 PM
Previous filing
May 19, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
YALDAEI RAMIL Chief Operating Officer C/O ONTO INNOVATION INC., 16 JONSPIN ROAD, WILMINGTON By: Eric French For: Ramil Yaldaei 2025-10-06 0001976282

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ONTO Common Stock Tax liability -$85.4K -594 -4.98% $143.71 11.3K Oct 3, 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.