<div id="readability-page-1"><div><p><span>Dolev Ido Vice President of Onto Innovation Inc [ONTO] filed a Form 4 on December 4, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:</span></p><div><table><tbody><tr><td><span>Date</span></td><td><span>12/2/25</span></td></tr><tr><td><span>Transaction</span></td><td><span>Surrender(1)</span></td></tr><tr><td><span>Shares</span></td><td><span>3,183</span></td></tr><tr><td><span>Price</span></td><td><span>$154.01</span></td></tr><tr><td><span>Value</span></td><td><span>$490,214</span></td></tr></tbody></table></div><p><span>Ending Holdings: 23,915 - Direct</span></p><ul><li><span>(1)</span></li><li><span>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</span></li></ul><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

ONTO

<p>VP Dolev Ido of Onto Innovation Inc surrendered 3,183 shares back to the company to cover option exercise costs and tax liabilities. The transaction was filed with the SEC on December 4, 2025, at a price of $154.01 per share, totaling $490,214. Dolev's ending holdings are 23,915 shares directly.</p>

VP Dolev Surrenders 3,183 Of Onto Innovation Inc [ONTO]