{"url_path":"/sec/onto/8-k/2026-05-18/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-18","source_url":"https://www.sec.gov/Archives/edgar/data/704532/0001193125-26-227915-index.html","accession_number":"0001193125-26-227915","cik":"0000704532","ticker":"ONTO","issuer_name":"ONTO INNOVATION INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/704532/0001193125-26-227915-index.html","primary_entity_key":"0000704532","primary_entity_name":"ONTO INNOVATION INC."},"word_count":91,"has_tables":true,"body_markdown":"Item 9.01 Financial Statements and Exhibits.\n\n \n\n(d)\n\nExhibits:\n\n \n\nExhibit No.\n\n  \n\nDescription\n\n99.1\n  \n[Press Release dated May 18, 2026.](d147805dex991.htm)\n\n104\n  \nCover Page Interactive Data File (formatted as inline XBRL and contained in the Inline XBRL document)\n\n \n\n3\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n\n \n\n \nONTO INNOVATION INC.\n\nDated: May 18, 2026\n \n\n \n\n \n\n/s/ Brian K. Roberts\n\n \n\n \n\n \n\nName: Brian K. Roberts\n\nTitle:  Chief Financial Officer and Principal Accounting Officer\n\n \n\n4"}