{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-25-008803","form_type":"8-K","ticker":"ADNH","cik":"0001744494","company_name":"ADVENT TECHNOLOGIES HOLDINGS, INC.","filed_at":"2025-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.323616+00:00","generated_at":"2026-05-17T00:54:56.198948+00:00","sec_items":["5.02"],"event_type":"other_material","sentiment":"negative","materiality_score":0.95,"calibrated_materiality_score":0.95,"confidence":"high","headline":"Advent Technologies directors resign; Nasdaq delisting starts Oct 28, effective Oct 30","bullets":["Directors Marc Seelenfreund (Oct 29) and Joseph Celia (Oct 30) resigned; no disagreement cited.","Nasdaq commenced delisting proceedings for common stock (ADN) and warrants (ADNWW) on Oct 28, effective Oct 30.","Trading suspension begins Oct 30, 2025; no further details on appeal or cause."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-25-008803","json":"https://secwatch.observer/filing/0001829126-25-008803.json","markdown":"https://secwatch.observer/filing/0001829126-25-008803.md","text":"https://secwatch.observer/filing/0001829126-25-008803.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1744494/000182912625008803/0001829126-25-008803-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1744494/000182912625008803/adventtech_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T00:54:56.198948+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"}