{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-056735","form_type":"8-K","ticker":"ON","cik":"0001097864","company_name":"ON SEMICONDUCTOR CORP","filed_at":"2025-03-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.926529+00:00","generated_at":"2026-05-24T12:59:26.664464+00:00","sec_items":["2.06"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"ON Semi approves $600M-$700M non-cash impairment charge on manufacturing assets","bullets":["Pre-tax non-cash impairment charges of $600M-$700M for long-lived manufacturing equipment at certain facilities.","Impairment driven by held-for-sale accounting guidance as part of restructuring plan announced Feb 24, 2025.","Charges are expected to reduce 2025 depreciation expense by $30M-$35M.","Most charges will be incurred in Q1 and Q2 2025 with no material future cash expenditures.","Management aligned internal manufacturing capacity with anticipated long-term needs."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-056735","json":"https://secwatch.observer/filing/0001193125-25-056735.json","markdown":"https://secwatch.observer/filing/0001193125-25-056735.md","text":"https://secwatch.observer/filing/0001193125-25-056735.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/0001193125-25-056735-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/d922410d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T12:59:26.664464+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":"c28d5f28a9bda7068de66d0f943f2f1dfbf2f7e4","claim":"ON SEMICONDUCTOR CORP announced a impairment with charges of pre-tax non-cash impairment charges of between $600 million and $700 million affecting certain onsemi manufacturing facilities.","evidence_excerpt":"On March 17, 2025, as part of the restructuring plan and cost reduction initiatives previously announced on February 24, 2025, management of ON Semiconductor Corporation (the “ Company ” or “ we ” and, together with its subsidiaries, “ onsemi ”) approved the recognition of pre-tax non-cash impairment charges of between $600 million and $700 million. These impairment charges are for long-lived assets relating to investments in manufacturing equipment at certain onsemi manufacturing facilities pursuant to held-for-sale accounting guidance.","evidence_source":"SEC 8-K Item 2.05/2.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1097864/000119312525056735/0001193125-25-056735-index.htm","confidence":0.9,"family_label":"Restructurings & Charges","details":[{"label":"Type","value":"impairment"},{"label":"Charge","value":"pre-tax non-cash impairment charges of between $600 million and $700 million"},{"label":"Affected area","value":"certain onsemi manufacturing facilities"}],"fact_type":"restructuring_charge"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}