{"schema_version":"secwatch.filing_event.v1","accession":"0001047127-25-000184","form_type":"8-K","ticker":"AMKR","cik":"0001047127","company_name":"AMKOR TECHNOLOGY, INC.","filed_at":"2025-09-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.194091+00:00","generated_at":"2026-05-17T05:56:25.306035+00:00","sec_items":["1.01","2.03","8.01","9.01"],"event_type":"debt","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Amkor issues $500M 5.875% notes due 2033, redeems $400M 6.625% notes due 2027","bullets":["Issued $500M aggregate principal of 5.875% Senior Notes due October 1, 2033; interest payable semi-annually April 1 and October 1 starting April 2026.","Called all $400M of 6.625% Senior Notes due 2027 for redemption on October 9, 2025 at 100% of principal plus accrued interest.","Net proceeds from 2033 Notes will fund 2027 redemption, fees/expenses, and general corporate purposes; temporarily invested in short-term securities.","New notes are senior unsecured, initially guaranteed by Guardian Assets Inc.; subject to make-whole call prior to Oct 1, 2028 and step-down prices thereafter."],"urls":{"canonical":"https://secwatch.observer/filing/0001047127-25-000184","json":"https://secwatch.observer/filing/0001047127-25-000184.json","markdown":"https://secwatch.observer/filing/0001047127-25-000184.md","text":"https://secwatch.observer/filing/0001047127-25-000184.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1047127/000104712725000184/0001047127-25-000184-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1047127/000104712725000184/amkr-20250922.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:56:25.306035+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":"a0d88e8ac870e105e799fe723ff50174424d0bdc","claim":"AMKOR TECHNOLOGY, INC. incurred senior notes of $500,000,000 aggregate principal amount with U.S. Bank Trust Company, National Association at 5.875% per year maturing October 1, 2033.","evidence_excerpt":"On September 22, 2025, the Company entered into the Indenture relating to the issuance by the Company of $500,000,000 aggregate principal amount of the 2033 Notes.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1047127/000104712725000184/0001047127-25-000184-index.htm","confidence":0.99,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$500,000,000 aggregate principal amount"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Rate","value":"5.875% per year"},{"label":"Maturity","value":"October 1, 2033"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}