{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-283980","form_type":"8-K","ticker":"ONTO","cik":"0000704532","company_name":"ONTO INNOVATION INC.","filed_at":"2025-11-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.942768+00:00","generated_at":"2026-05-16T19:32:15.090050+00:00","sec_items":["2.01","3.02","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Onto Innovation completes $495M acquisition of Semilab USA product lines","bullets":["Acquired Semilab USA for $432.3M cash and 641,771 shares of Onto common stock.","Acquisition adds FAaST, CnCV and MBIR product lines for materials characterization.","Updates Q4 2025 revenue guidance to $258M–$275M, including $8M–$10M from Semilab.","Expects acquisition to add $0.02–$0.04 to diluted EPS in Q4 and $120M revenue in 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-283980","json":"https://secwatch.observer/filing/0001193125-25-283980.json","markdown":"https://secwatch.observer/filing/0001193125-25-283980.md","text":"https://secwatch.observer/filing/0001193125-25-283980.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/0001193125-25-283980-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/onto-20251117.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-16T19:32:15.090050+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"25c3d69e5682c05227ca086b20fa5121c845a1b0","claim":"ONTO INNOVATION INC. issued 641,771 shares of Common Stock of common stock to the Seller.","evidence_excerpt":"the Company issued 641,771 shares of Common Stock to the Seller pursuant to the Purchase Agreement.","evidence_source":"SEC 8-K Item 3.02/3.03","evidence_url":"https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/0001193125-25-283980-index.htm","confidence":0.92,"family_label":"Equity Issuances","details":[{"label":"Security","value":"common stock"},{"label":"Shares","value":"641,771 shares of Common Stock"},{"label":"Purchaser","value":"the Seller"}],"fact_type":"equity_issuance"},{"claim_id":"c74e05ccfd00dc3f46ac428c013c970902d84789","claim":"ONTO INNOVATION INC. completed an acquisition involving Semilab International Zrt. for $432,310,000 in cash and 641,771 shares of common stock (closed 2025-11-17).","evidence_excerpt":"On November 17, 2025, Onto Innovation Inc. (the “Company”) completed the previously announced acquisition of Semilab USA LLC (“Semilab USA”), pursuant to the Equity Purchase Agreement (the “Purchase Agreement”), dated as of June 27, 2025, by and among the Company, Semilab International Zrt. (the “Seller”), Semilab Zrt. and Semilab USA, as amended by the Amendment to Equity Purchase Agreement, dated October 9, 2025. As previously disclosed, pursuant the Purchase Agreement, the Company acquired all of the outstanding membership interests of Semilab USA from the Seller for $432,310,000 in cash (subject to certain customary purchase price adjustments) and 641,771 shares of the Company’s common stock, par value $0.001 per share (the foregoing transactions, the “Semilab USA Acquisition”).","evidence_source":"SEC 8-K Item 2.01/5.01","evidence_url":"https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/0001193125-25-283980-index.htm","confidence":0.9,"family_label":"M&A Transactions","details":[{"label":"Action","value":"acquisition"},{"label":"Counterparty","value":"Semilab International Zrt."},{"label":"Consideration","value":"$432,310,000 in cash and 641,771 shares of common stock"},{"label":"Closing","value":"2025-11-17"}],"fact_type":"ma_transaction"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}