{"filing":{"accession_number":"0001829126-26-007750","cik":"0001744494","ticker":"ADNH","company_name":"ADVENT TECHNOLOGIES HOLDINGS, INC.","form":"8-K","filing_date":"2026-07-22","report_date":null,"primary_document":"adventtech_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1744494/000182912626007750/adventtech_8k.htm"},"events":[{"id":19617,"run_id":17651,"accession_number":"0001829126-26-007750","anchor_item_number":"8.01","event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"summary":"The Company received notification from OTC Markets Group that its common stock has been moved to the OTC Expert Market on an unsolicited quotes only basis. This represents a material downgrade in listing status and a significant delisting risk event, as movement to the OTC Expert Market typically indicates failure to meet continued listing standards and substantially reduces liquidity and investor access to the stock.","company_name":"ADVENT TECHNOLOGIES HOLDINGS, INC.","ticker":"ADNH","filing_date":"2026-07-22","form":"8-K","submitted_at":null,"items":[{"id":18755,"accession_number":"0001829126-26-007750","item_number":"8.01","item_title":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The Company received notification from OTC Markets Group that its common stock has been moved to the OTC Expert Market on an unsolicited quotes only basis. This represents a material downgrade in listing status and a significant delisting risk event, as movement to the OTC Expert Market typically indicates failure to meet continued listing standards and substantially reduces liquidity and investor access to the stock.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-22T20:38:03.742345+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":18755,"accession_number":"0001829126-26-007750","item_number":"8.01","item_title":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The Company received notification from OTC Markets Group that its common stock has been moved to the OTC Expert Market on an unsolicited quotes only basis. This represents a material downgrade in listing status and a significant delisting risk event, as movement to the OTC Expert Market typically indicates failure to meet continued listing standards and substantially reduces liquidity and investor access to the stock.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-22T20:38:03.742345+00:00","company_name":"ADVENT TECHNOLOGIES HOLDINGS, INC.","ticker":"ADNH","filing_date":"2026-07-22"}]}