InsiderTrades

Form 4 for ONTO ONTO INNOVATION INC.

Accepted 2026-05-18 17:01:43 ET · period of report 2026-05-15 · accession 0001889970-26-000008 · 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
2026-05-18 17:01 2026-05-15 ONTO OH Yoon Ah SVP, Gen Counsel, Corp Sec F - Tax $271.77 -530 21.1K -2% -$144.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-15 F D 530 $271.77 21,110 D — — (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.