| 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 |
| 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 |
| 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. |