{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-25-035762","form_type":"8-K","ticker":"ON","cik":"0001097864","company_name":"ON SEMICONDUCTOR CORP","filed_at":"2025-09-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.334517+00:00","generated_at":"2026-05-17T05:51:36.378355+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"onsemi to acquire Aura Semiconductor's Vcore power tech for up to $144M","bullets":["Max consideration $144M: $72M tied to product delivery, $72M contingent on revenue milestones.","Transaction expected to close in Q4 2025, subject to customary closing conditions.","onsemi expects minimal EPS impact in first fiscal year after close, accretive thereafter.","Acquisition enhances onsemi's power management portfolio for AI data center applications, grid to core.","Sudhir Gopalswamy, group president, cites superior power density, efficiency, and thermals for AI infrastructure."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-25-035762","json":"https://secwatch.observer/filing/0001140361-25-035762.json","markdown":"https://secwatch.observer/filing/0001140361-25-035762.md","text":"https://secwatch.observer/filing/0001140361-25-035762.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1097864/000114036125035762/0001140361-25-035762-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1097864/000114036125035762/ef20055921_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:51:36.378355+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}