{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-020642","form_type":"8-K","ticker":"ON","cik":"0001097864","company_name":"ON SEMICONDUCTOR CORP","filed_at":"2026-05-11T22:37:57+00:00","discovered_at":"2026-05-12T10:05:00.387910+00:00","generated_at":"2026-05-12T10:19:53.325381+00:00","sec_items":["1.01","2.03","3.02","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"ON Semiconductor issues $1.5B 0% Convertible Notes due 2031; enters hedge and warrant deals","bullets":["$1.5B principal, zero-coupon, due May 1, 2031; initial conversion price ~$161.30 per share.","Net proceeds ~$1.4729B; ~$70.7M used for note hedges, ~$331.9M to repurchase 3.1M shares.","Concurrent warrant transactions: strike price $211.54 (100% premium over $105.77 close), covering up to 18.6M shares.","Notes are guaranteed by certain U.S. subsidiaries; redeemable after May 2029 if stock exceeds 130% of conversion price."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-020642","json":"https://secwatch.observer/filing/0001140361-26-020642.json","markdown":"https://secwatch.observer/filing/0001140361-26-020642.md","text":"https://secwatch.observer/filing/0001140361-26-020642.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126020642/0001140361-26-020642-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126020642/ef20072923_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-12T10:19:53.325381+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":"01829ecb40e1cc3a6570fd25247d5d8a2bac0490","claim":"ON SEMICONDUCTOR CORP incurred convertible notes of $1.5 billion aggregate principal amount with initial purchasers at 0% maturing May 1, 2031.","evidence_excerpt":"On May 11, 2026, ON Semiconductor Corporation (the “ Company ”) completed its previously announced private unregistered offering of $1.5 billion aggregate principal amount of its 0% Convertible Senior Notes due 2031 (the “ Notes ”), which amount includes the full exercise of the initial purchasers’ option to purchase $200 million aggregate principal amount of additional Notes.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126020642/0001140361-26-020642-index.htm","confidence":0.99,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"convertible notes"},{"label":"Principal","value":"$1.5 billion aggregate principal amount"},{"label":"Counterparty","value":"initial purchasers"},{"label":"Rate","value":"0%"},{"label":"Maturity","value":"May 1, 2031"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"33f0f1f485233d56df651fe05b7b243dff1ac779","claim":"ON SEMICONDUCTOR CORP entered into Indenture for 0% Convertible Senior Notes due 2031 with Computershare Trust Company, National Association valued at $1,500,000,000 (effective 2026-05-11).","evidence_excerpt":"On May 11, 2026, ON Semiconductor Corporation (the “ Company ”) completed its previously announced private unregistered offering of $1.5 billion aggregate principal amount of its 0% Convertible Senior Notes due 2031 (the “ Notes ”), which amount includes the full exercise of the initial purchasers’ option to purchase $200 million aggregate principal amount of additional Notes.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1097864/000114036126020642/0001140361-26-020642-index.htm","confidence":0.98,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"Computershare Trust Company, National Association"},{"label":"Value","value":"$1,500,000,000"},{"label":"Effective","value":"2026-05-11"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}