{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-019416","form_type":"8-K","ticker":"ON","cik":"0001097864","company_name":"ON SEMICONDUCTOR CORP","filed_at":"2026-05-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.948819+00:00","generated_at":"2026-05-14T21:23:46.158042+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"onsemi prices $1.3B 0% convertible senior notes due 2031; concurrent $332M share buyback","bullets":["Priced $1.3B aggregate principal of 0% Convertible Senior Notes due 2031; initial purchasers option for additional $200M.","Initial conversion price ~$161.30/share, a 52.5% premium over May 6 close of $105.77.","Net proceeds ~$1,276.4M ($1,472.9M if option exercised); $61.2M for convertible note hedges, $331.9M to repurchase ~3.1M shares.","Entered separate convertible note hedge and warrant transactions to offset potential dilution; warrant strike at $211.54/share.","Closing expected May 11, 2026; notes mature May 1, 2031, subject to customary conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-019416","json":"https://secwatch.observer/filing/0001140361-26-019416.json","markdown":"https://secwatch.observer/filing/0001140361-26-019416.md","text":"https://secwatch.observer/filing/0001140361-26-019416.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126019416/0001140361-26-019416-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126019416/ef20072662_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T21:23:46.158042+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"}