MetaCap

Onto Innovation Insider Trades

NYSE: ONTOIndustrialsIndustrial Machinery/ComponentsUSD

294.53+1.86 (+0.64%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
2 · $902.30K
Shares bought / sold
0 / 3.00K
Net activity
Net selling $902,300

Onto Innovation insider activity

Over the last 12 months, Onto Innovation insiders reported 41 transactions on SEC Form 4: 0 open-market purchases and 2 sales. Insiders bought $0 and sold $902,300 worth of stock, for net insider selling of $902,300. The largest seller was MILLER DAVID BRIAN, with $600,000 in reported sales.

The most recent filing shows MILLER DAVID BRIAN (Director) selling 2,000 shares at $300.00 on Sep 29, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ONTO's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

ONTO insider transactions

Onto Innovation insider transactions
DateInsiderTypeSharesValueFiling
Sep 29, 2026MILLER DAVID BRIANDirectorSale2,000$600.00KForm 4
Sep 2, 2026ROBERTS BRIAN KChief Financial OfficerTax withholding3,239$824.49KForm 4
Sep 2, 2026ROBERTS BRIAN KChief Financial OfficerTax withholding3,239$824.49KForm 4
Sep 2, 2026Chen ShirleySenior Vice President of CustoTax withholding1,516$385.90KForm 4
Aug 21, 2026Lynch Susan DDirectorSale1,000$302.30KForm 4
May 20, 2026Kelley Stephen DouglasDirectorAward761—Form 4
May 20, 2026Lynch Susan DDirectorAward761—Form 4
May 20, 2026MILLER DAVID BRIANDirectorAward761—Form 4
May 20, 2026SEAMS CHRISTOPHER ADirectorAward761—Form 4
May 20, 2026Su MayDirectorAward761—Form 4
May 20, 2026SCHWARTZ STEPHEN SDirectorAward761—Form 4
May 15, 2026YALDAEI RAMILChief Operating OfficerTax withholding625$169.86KForm 4
May 15, 2026YALDAEI RAMILChief Operating OfficerTax withholding218$59.25KForm 4
May 15, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding530$144.04KForm 4
Mar 3, 2026Dolev IdoEVP, Prod Solutions GrpTax withholding819$169.94KForm 4
Mar 3, 2026Plisinski Michael PChief Executive OfficerTax withholding3,742$776.47KForm 4
Mar 3, 2026YALDAEI RAMILChief Operating OfficerTax withholding615$127.61KForm 4
Mar 3, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding417$86.53KForm 4
Mar 2, 2026Chen ShirleySVP Customer SuccessAward2,523—Form 4
Mar 2, 2026Dolev IdoEVP, Prod Solutions GrpAward3,440—Form 4
Mar 2, 2026Plisinski Michael PChief Executive OfficerAward14,479—Form 4
Mar 2, 2026YALDAEI RAMILChief Operating OfficerAward7,683—Form 4
Mar 2, 2026OH Yoon AhSVP, Gen Counsel & Corp SecAward2,408—Form 4
Mar 2, 2026ROBERTS BRIAN KChief Financial OfficerAward3,096—Form 4
Mar 1, 2026Plisinski Michael PChief Executive OfficerTax withholding1,925$415.59KForm 4
Mar 1, 2026Plisinski Michael PChief Executive OfficerTax withholding2,222$479.71KForm 4
Mar 1, 2026Plisinski Michael PChief Executive OfficerOption exercise4,597—Form 4
Mar 1, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding267$57.64KForm 4
Mar 1, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding307$66.28KForm 4
Mar 1, 2026OH Yoon AhSVP, Gen Counsel & Corp SecOption exercise724—Form 4
Mar 1, 2026YALDAEI RAMILChief Operating OfficerTax withholding276$59.59KForm 4
Mar 1, 2026YALDAEI RAMILChief Operating OfficerTax withholding347$74.91KForm 4
Mar 1, 2026YALDAEI RAMILChief Operating OfficerOption exercise649—Form 4
Feb 14, 2026Plisinski Michael PChief Executive OfficerTax withholding3,632$788.98KForm 4
Feb 14, 2026Plisinski Michael PChief Executive OfficerTax withholding8,919$1.94MForm 4
Feb 14, 2026Plisinski Michael PChief Executive OfficerOption exercise18,445—Form 4
Feb 14, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding501$108.83KForm 4
Feb 14, 2026OH Yoon AhSVP, Gen Counsel & Corp SecTax withholding1,094$237.65KForm 4
Feb 14, 2026OH Yoon AhSVP, Gen Counsel & Corp SecOption exercise3,084—Form 4
Dec 24, 2025Plisinski Michael PChief Executive OfficerGift25,000—Form 4
Dec 2, 2025Dolev IdoEVP, Prod Solutions GrpTax withholding3,183$490.21KForm 4
Oct 3, 2025YALDAEI RAMILChief Operating OfficerTax withholding594$85.36KForm 4
Sep 2, 2025Chen ShirleySVP, Customer SuccessAward12,994—Form 4
Sep 2, 2025ROBERTS BRIAN KChief Financial OfficerAward21,175—Form 4
Jun 2, 2025Dolev IdoEVP, Prod Solutions GrpAward5,391—Form 4
Jun 2, 2025Dolev IdoEVP, Prod Solutions GrpAward21,562—Form 4
May 21, 2025Kelley Stephen DouglasDirectorAward2,114—Form 4
May 21, 2025Lynch Susan DDirectorAward2,114—Form 4
May 21, 2025MILLER DAVID BRIANDirectorAward2,114—Form 4
May 21, 2025SCHWARTZ STEPHEN SDirectorAward2,114—Form 4
May 21, 2025SEAMS CHRISTOPHER ADirectorAward2,114—Form 4
May 21, 2025Su MayDirectorAward2,114—Form 4
May 17, 2025Slicer MarkChief Financial OfficerTax withholding2,066$205.36KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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