{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-034801","form_type":"8-K","ticker":"ACHR","cik":"0001824502","company_name":"Archer Aviation Inc.","filed_at":"2025-07-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.158487+00:00","generated_at":"2026-05-18T06:57:32.927229+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"CFO Mark Mesler steps down effective July 7, 2025; Priya Gupta continues as CFO","bullets":["Mesler had been on medical leave since September 2024; departure now effective.","Transition agreement provides nine months base salary, three months target bonus, and accelerated RSU vesting.","Priya Gupta, who served as acting CFO during the leave, remains CFO.","Harsh Rungta stays as SVP Finance & Chief Accounting Officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-034801","json":"https://secwatch.observer/filing/0001628280-25-034801.json","markdown":"https://secwatch.observer/filing/0001628280-25-034801.md","text":"https://secwatch.observer/filing/0001628280-25-034801.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1824502/000162828025034801/0001628280-25-034801-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1824502/000162828025034801/achr-20250707.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T06:57:32.927229+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"}