Form 4 for ONTO ONTO INNOVATION INC.
Accepted 2026-03-04 00:00:00 ET · period of report 2026-03-02 · accession 0001325550-26-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-04 | 2026-03-02 | ONTO | Plisinski Michael P | CEO, Dir | A - Grant | $0.00 | +14.5K | 183.0K | +9% | $0 |
| D | 2026-03-04 | 2026-03-03 | ONTO | Plisinski Michael P | CEO, Dir | F - Tax | $207.50 | -3,742 | 179.2K | -2% | -$776.5K |
| DM | 2026-03-04 | 2026-03-02 | ONTO | Plisinski Michael P | CEO, Dir | A - Grant | $0.00 | +14.5K | 7,239 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-02 | A | A | 14,479 | $0.00 | 182,984 | D | — | — | (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. The RSUs vest on an annual basis, in equal 1/3rd increments, over a three-year period from the award date. |
| 2 | Common | Common Stock | 2026-03-03 | F | D | 3,742 | $207.50 | 179,242 | D | — | — | (F2) 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. |
| 3 | Derivative | Performance Stock Unit | 2026-03-02 | A | A | 7,239 | $0.00 | 7,239 | D | — · — to 2028-03-02 | 7,239 Common Stock | (F3) The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date. |
| 4 | Derivative | Performance Stock Unit | 2026-03-02 | A | A | 7,239 | $0.00 | 7,239 | D | — · — to 2029-03-02 | 7,239 Common Stock | (F3) The Reporting Person was granted performance stock units ("PSUs"), each of which represents a contingent right to receive one share of ONTO common stock. The number of PSUs reported represents the target number of PSUs under the award. The number of PSUs that vest, if any, may vary from 0% to 200% of the target number shown, and is based on specific performance criteria from the award date through the expiration date. |