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Home/Companies/Onto Innovation Inc.

Onto Innovation Inc.

158 insider trades tracked

ONTO
Insider trades
158
Bought (open market)
$0
Sold (open market)
$26.8M
Unique insiders
16

12-month activity

Monthly insider buy vs sell totals for Onto Innovation Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$01
November 2025$0$00
December 2025$0$02
January 2026$0$00
February 2026$0$08
March 2026$0$028
April 2026$0$00
May 2026$0$09
June 2026$0$00
July 2026$0$00
August 2026$0$302K1
September 2026$0$03

Recent insider trades

Most recent Form 4 filings for Onto Innovation Inc..

  • ROBERTS BRIAN Ktax-withheld3,239 shares ofONTOat $254.55$824KSep 2 · filed Sep 4Details
  • Chen Shirleytax-withheld1,516 shares ofONTOat $254.55$386KSep 2 · filed Sep 4Details
  • ROBERTS BRIAN Ktax-withheld3,239 shares ofONTOat $254.55$824KSep 2

Insiders at this company

Executives and directors who have filed Form 4s.

  • Plisinski Michael P45 trades
  • OH Yoon Ah32 trades
  • Vedula Srinivas20 trades
  • YALDAEI RAMIL15 trades
  • Slicer Mark12 trades
  • Fiordalice Robert10 trades
  • ROBERTS BRIAN K5 trades
  • Chen Shirley4 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
· filed Sep 4
Details
  • Lynch Susan Dsold1,000 shares ofONTOat $302.3$302KAug 21 · filed Aug 25Details
  • Su Maygranted761 shares ofONTOat $0May 20 · filed May 22Details
  • Lynch Susan Dgranted761 shares ofONTOat $0May 20 · filed May 22Details
  • Kelley Stephen Douglasgranted761 shares ofONTOat $0May 20 · filed May 22Details
  • SCHWARTZ STEPHEN Sgranted761 shares ofONTOat $0May 20 · filed May 22Details
  • MILLER DAVID BRIANgranted761 shares ofONTOat $0May 20 · filed May 22Details
  • SEAMS CHRISTOPHER Agranted761 shares ofONTOat $0May 20 · filed May 22Details
  • YALDAEI RAMILtax-withheld625 shares ofONTOat $271.77$170KMay 15 · filed May 18Details
  • YALDAEI RAMILtax-withheld218 shares ofONTOat $271.77$59KMay 15 · filed May 18Details
  • OH Yoon Ahtax-withheld530 shares ofONTOat $271.77$144KMay 15 · filed May 18Details
  • Dolev Idotax-withheld819 shares ofONTOat $207.5$170KMar 3 · filed Mar 4Details
  • YALDAEI RAMILtax-withheld615 shares ofONTOat $207.5$128KMar 3 · filed Mar 4Details
  • OH Yoon Ahtax-withheld417 shares ofONTOat $207.5$87KMar 3 · filed Mar 4Details
  • Plisinski Michael Ptax-withheld3,742 shares ofONTOat $207.5$776KMar 3 · filed Mar 4Details
  • Chen Shirleygranted1,261 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • Chen Shirleygranted2,523 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • Dolev Idogranted1,720 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • Dolev Idogranted3,440 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • YALDAEI RAMILgranted1,548 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • YALDAEI RAMILgranted7,683 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • OH Yoon Ahgranted1,204 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • OH Yoon Ahgranted2,408 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • Plisinski Michael Pgranted7,239 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • Plisinski Michael Pgranted14,479 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • ROBERTS BRIAN Kgranted1,548 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • ROBERTS BRIAN Kgranted3,096 shares ofONTOat $0Mar 2 · filed Mar 4Details
  • YALDAEI RAMILexercised844 shares ofONTOat $0Mar 1 · filed Mar 3Details
  • View all trades for ONTO →
    Dolev Ido
    4 trades
  • BROOKS D MAYSON3 trades
  • MILLER DAVID BRIAN2 trades
  • Lynch Susan D2 trades
  • SEAMS CHRISTOPHER A1 trades
  • SCHWARTZ STEPHEN S1 trades
  • Kelley Stephen Douglas1 trades
  • Su May1 trades