{"schema_version":"secwatch.filing_event.v1","accession":"0001137789-25-000145","form_type":"8-K","ticker":"STX","cik":"0001137789","company_name":"Seagate Technology Holdings plc","filed_at":"2025-07-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.425144+00:00","generated_at":"2026-05-18T00:08:04.033186+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Seagate CEO Dave Mosley to become Chairman after 2025 AGM; Cannon to Lead Independent Director","bullets":["Effective at conclusion of 2025 AGM, CEO Dr. Dave Mosley succeeds Michael R. Cannon as Chairman.","Michael R. Cannon becomes Lead Independent Director, subject to election and independence qualification.","Mosley has been CEO since October 2017 and a director since July 2017.","Cannon served as Chairman since July 2020 and as director since February 2011."],"urls":{"canonical":"https://secwatch.observer/filing/0001137789-25-000145","json":"https://secwatch.observer/filing/0001137789-25-000145.json","markdown":"https://secwatch.observer/filing/0001137789-25-000145.md","text":"https://secwatch.observer/filing/0001137789-25-000145.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000145/0001137789-25-000145-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000145/stx-20250728.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T00:08:04.033186+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"}