Michael P. Plisinski - 24 Dec 2025 Form 4 Insider Report for ONTO INNOVATION INC. (ONTO)

Role
Chief Executive Officer, Director
Signature
By: Eric French For: Michael Plisinski
Issuer symbol
ONTO
Transactions as of
24 Dec 2025
Net transactions value
$0
Form type
4
Filing time
29 Dec 2025, 16:09:41 UTC
Previous filing
05 Mar 2025
Next filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Plisinski Michael P Chief Executive Officer, Director C/O ONTO INNOVATION INC., 16 JONSPIN ROAD, WILMINGTON By: Eric French For: Michael Plisinski 29 Dec 2025 0001325550

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ONTO Common Stock Gift $0 -25,000 -13% $0.000000 162,161 24 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares of common stock reported in this transaction represent a bona-fide charitable gift to a Donor Advised Fund.