LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
ONTOCIK 0000704532

ONTO INNOVATION INC.

57 transactions by 12 insiders, from December 2, 2025 to September 29, 2026.

Transactions
5712 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$902Kopen market
Net
−$902Knet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Yoon Ah OHSVP13———
Michael P. PlisinskiCEO12———
Ramil YaldaeiCOO10———
Brian K. RobertsCFO5———
Ido DolevEVP5———
Shirley ChenPres4———
Susan D. LynchDir21/2—$302K
David Brian MillerDir21/2—$600K
May SuDir1———
Christopher A. SeamsDir1———
Stephen Douglas KelleyDir1———
Stephen S. SchwartzDir1———

All transactions

57 in total, newest filings first.

InsiderDateCodeSharesPriceValue
David Brian MillerDirSep 29SPLAN2,000$300.00$600K
Brian K. RobertsCFOSep 2F3,239$254.55$824K
Shirley ChenPresSep 2F1,516$254.55$386K
Brian K. RobertsCFO4/ASep 2F3,239$254.55$824K
Susan D. LynchDirAug 21SPLAN1,000$302.30$302K
May SuDirMay 20A761$0.00—
Stephen S. SchwartzDirMay 20A761$0.00—
Christopher A. SeamsDirMay 20A761$0.00—
David Brian MillerDirMay 20A761$0.00—
Susan D. LynchDirMay 20A761$0.00—
Stephen Douglas KelleyDirMay 20A761$0.00—
Ramil YaldaeiCOOMay 15F625$271.77$170K
Ramil YaldaeiCOOMay 15F218$271.77$59K
Yoon Ah OHSVPMay 15F530$271.77$144K
Ramil YaldaeiCOODERIVMar 2A1,548$0.00—?
Ramil YaldaeiCOODERIVMar 2A1,548$0.00—?
Ramil YaldaeiCOOMar 3F615$207.50$128K
Ramil YaldaeiCOOMar 2A7,683$0.00—
Michael P. PlisinskiCEODERIVMar 2A7,239$0.00—?
Michael P. PlisinskiCEODERIVMar 2A7,239$0.00—?
Michael P. PlisinskiCEOMar 3F3,742$207.50$776K
Michael P. PlisinskiCEOMar 2A14,479$0.00—
Brian K. RobertsCFODERIVMar 2A1,548$0.00—?
Brian K. RobertsCFODERIVMar 2A1,548$0.00—?
Brian K. RobertsCFOMar 2A3,096$0.00—
Yoon Ah OHSVPDERIVMar 2A1,204$0.00—?
Yoon Ah OHSVPDERIVMar 2A1,204$0.00—?
Yoon Ah OHSVPMar 3F417$207.50$87K
Yoon Ah OHSVPMar 2A2,408$0.00—
Ido DolevEVPDERIVMar 2A1,720$0.00—?
Ido DolevEVPDERIVMar 2A1,720$0.00—?
Ido DolevEVPMar 3F819$207.50$170K
Ido DolevEVPMar 2A3,440$0.00—
Shirley ChenSVPDERIVMar 2A1,261$0.00—?
Shirley ChenSVPDERIVMar 2A1,261$0.00—?
Shirley ChenSVPMar 2A2,523$0.00—
Ramil YaldaeiCOODERIVMar 1M844$0.00—?
Ramil YaldaeiCOOMar 1F276$215.89$60K
Ramil YaldaeiCOOMar 1F347$215.89$75K
Ramil YaldaeiCOOMar 1M649$0.00—
Michael P. PlisinskiCEODERIVMar 1M5,971$0.00—?
Michael P. PlisinskiCEOMar 1F1,925$215.89$416K
Michael P. PlisinskiCEOMar 1F2,222$215.89$480K
Michael P. PlisinskiCEOMar 1M4,597$0.00—
Yoon Ah OHSVPDERIVMar 1M941$0.00—?
Yoon Ah OHSVPMar 1F267$215.89$58K
Yoon Ah OHSVPMar 1F307$215.89$66K
Yoon Ah OHSVPMar 1M724$0.00—
Michael P. PlisinskiCEODERIVFeb 14M11,824$0.00—?
Michael P. PlisinskiCEOFeb 14F3,632$217.23$789K
Michael P. PlisinskiCEOFeb 14F8,919$217.23$1.9M
Michael P. PlisinskiCEOFeb 14M18,445$0.00—
Yoon Ah OHSVPDERIVFeb 14M1,977$0.00—?
Yoon Ah OHSVPFeb 14F501$217.23$109K
Yoon Ah OHSVPFeb 14F1,094$217.23$238K
Yoon Ah OHSVPFeb 14M3,084$0.00—
Ido DolevEVPDec 2F3,183$154.01$490K