{"schema_version":"secwatch.filing_event.v1","accession":"0001047127-21-000036","form_type":"8-K/A","ticker":"AMKR","cik":"0001047127","company_name":"AMKOR TECHNOLOGY, INC.","filed_at":"2021-09-28T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.970506+00:00","generated_at":"2026-06-29T00:52:47.873864+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Amkor finalizes retirement terms for EVP John C. Stone, effective March 31, 2022","bullets":["John C. Stone to retire on March 31, 2022; separation agreement finalized September 27, 2021.","Will receive continued base salary for 15 months post-retirement and pro rata 2022 bonus under Bonus Plan.","Outplacement services for up to 6 months and COBRA subsidy for 15 months provided.","Vested/unvested stock options and restricted stock treated per existing award agreements.","Agreement includes general release, confidentiality, non-competition, and non-solicitation covenants."],"urls":{"canonical":"https://secwatch.observer/filing/0001047127-21-000036","json":"https://secwatch.observer/filing/0001047127-21-000036.json","markdown":"https://secwatch.observer/filing/0001047127-21-000036.md","text":"https://secwatch.observer/filing/0001047127-21-000036.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1047127/000104712721000036/0001047127-21-000036-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1047127/000104712721000036/amkr-20210914.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T00:52:47.873864+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":"2f1f73f8f5","claim":"John C. Stone departed as other_named_officer at AMKOR TECHNOLOGY, INC..","evidence_excerpt":"John C. Stone informed the Company that he intends to retire on March 31, 2022","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1047127/000104712721000036/0001047127-21-000036-index.htm","confidence":0.85,"family_label":"Executive change","details":[{"label":"Action","value":"retire"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}