TANH
Tantech Holdings·NASDAQ
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TANH Filings
Filing Date
Form Description
Form Type
2026-01-15
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2026-01-15 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-12-31
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-12-31 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-12-19
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-12-19 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-12-11
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-12-11 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-10-24
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-10-24 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-10-17
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-10-17 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-09-24
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-09-24 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-09-18
Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]
Financials
2025-09-18 · Financials
Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]
2025-06-03
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Key Events
2025-06-03 · Key Events
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
2025-05-15
Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]
Financials
2025-05-15 · Financials
Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]
