{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-045296","form_type":"8-K","ticker":"ACHR","cik":"0001824502","company_name":"Archer Aviation Inc.","filed_at":"2025-10-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.637488+00:00","generated_at":"2026-05-17T03:25:17.299273+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Archer wins bid to acquire Lilium's eVTOL patent portfolio for €18M","bullets":["Acquires ~300 patent assets covering ducted fans, battery management, flight controls, high-voltage systems.","Lilium spent over $1.5B developing its eVTOL technology; Archer's portfolio now exceeds 1,000 patent assets.","Deal expected to close in Q4 2025, subject to customary conditions.","Archer believes ducted fan tech could unlock future light-sport and regional air mobility opportunities."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-045296","json":"https://secwatch.observer/filing/0001628280-25-045296.json","markdown":"https://secwatch.observer/filing/0001628280-25-045296.md","text":"https://secwatch.observer/filing/0001628280-25-045296.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1824502/000162828025045296/0001628280-25-045296-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1824502/000162828025045296/achr-20251015.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:25:17.299273+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"}