{"filing":{"accession_number":"0001193125-26-341337","cik":"0000704532","ticker":"ONTO","company_name":"ONTO INNOVATION INC.","form":"8-K","filing_date":"2026-08-10","report_date":"2026-08-09","primary_document":"d125405d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/704532/000119312526341337/d125405d8k.htm"},"events":[{"id":26414,"run_id":24005,"accession_number":"0001193125-26-341337","anchor_item_number":"2.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.97,"summary":"Onto Innovation completed its acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for approximately $720 million on August 10, 2026, representing a significant strategic investment that deepens collaboration in semiconductor manufacturing process control technologies.","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-08-10","form":"8-K","submitted_at":null,"items":[{"id":27530,"accession_number":"0001193125-26-341337","item_number":"2.01","item_title":"Completion of Acquisition or Disposition of Assets","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"Onto Innovation completed the acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for approximately $720 million on August 10, 2026. This is a material acquisition of equity securities disclosed under Item 2.01 (Completion of Acquisition or Disposition of Assets), representing a significant strategic investment that deepens collaboration between the two companies in semiconductor manufacturing process control technologies.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:17:56.695561+00:00","company_name":"","ticker":null,"filing_date":""},{"id":27531,"accession_number":"0001193125-26-341337","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"Onto Innovation announced the closing of its acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for approximately US$720 million. This is a material acquisition/investment transaction that deepens a strategic collaboration and represents a significant capital deployment. The press release explicitly states the \"successful closing of its previously announced acquisition,\" making this a completed M\u0026A activity requiring disclosure under Item 1.01 or similar provisions.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:17:56.695561+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":27530,"accession_number":"0001193125-26-341337","item_number":"2.01","item_title":"Completion of Acquisition or Disposition of Assets","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"Onto Innovation completed the acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for approximately $720 million on August 10, 2026. This is a material acquisition of equity securities disclosed under Item 2.01 (Completion of Acquisition or Disposition of Assets), representing a significant strategic investment that deepens collaboration between the two companies in semiconductor manufacturing process control technologies.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:17:56.695561+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-08-10"},{"id":27531,"accession_number":"0001193125-26-341337","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"Onto Innovation announced the closing of its acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for approximately US$720 million. This is a material acquisition/investment transaction that deepens a strategic collaboration and represents a significant capital deployment. The press release explicitly states the \"successful closing of its previously announced acquisition,\" making this a completed M\u0026A activity requiring disclosure under Item 1.01 or similar provisions.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:17:56.695561+00:00","company_name":"ONTO INNOVATION INC.","ticker":"ONTO","filing_date":"2026-08-10"}]}