{"filing":{"accession_number":"0001477932-26-005777","cik":"0001588084","ticker":"TANH","company_name":"TANTECH HOLDINGS LTD","form":"6-K","filing_date":"2026-09-24","report_date":"2026-09-24","primary_document":"tanh_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1588084/000147793226005777/tanh_6k.htm"},"events":[{"id":34747,"run_id":31992,"accession_number":"0001477932-26-005777","anchor_item_number":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"summary":"The 6-K discloses that Tantech regained compliance with Nasdaq's minimum bid price requirement (Listing Rule 5550(a)(2)) after previously falling below $1.00 per share for 30 consecutive business days on March 26, 2026. The notification on September 21, 2026 confirms the Company has satisfied the 180-day cure period and is no longer at risk of delisting. This resolves a material delisting risk that threatened the Company's continued listing on Nasdaq.","company_name":"TANTECH HOLDINGS LTD","ticker":"TANH","filing_date":"2026-09-24","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":38577,"accession_number":"0001477932-26-005777","item_number":null,"item_title":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The 6-K discloses that Tantech regained compliance with Nasdaq's minimum bid price requirement (Listing Rule 5550(a)(2)) after previously falling below $1.00 per share for 30 consecutive business days on March 26, 2026. The notification on September 21, 2026 confirms the Company has satisfied the 180-day cure period and is no longer at risk of delisting. This resolves a material delisting risk that threatened the Company's continued listing on Nasdaq.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-24T13:02:19.022373+00:00","company_name":"TANTECH HOLDINGS LTD","ticker":"TANH","filing_date":"2026-09-24"}]}