Tantech Holdings Ltd (TANH)
CIK 1588084 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Tantech Holdings Ltd.
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Sep 1, 2026 | 6-K | 0001477932-26-005346 |
| Aug 19, 2026 | 6-K | 0001477932-26-005179 |
| Aug 7, 2026 | 6-K/A | 0001477932-26-004758 |
| Aug 6, 2026 | 6-K | 0001477932-26-004731 |
| Aug 4, 2026 | 6-K | 0001477932-26-004710 |
| Jun 17, 2026 | EFFECT | 9999999995-26-002052 |
| Jun 9, 2026 | F-3 | 0001477932-26-003717 |
| May 14, 2026 | 20-F | 0001477932-26-003132 |
| May 1, 2026 | NT 20-F | 0001477932-26-002717 |
| Apr 9, 2026 | 3 | 0001477932-26-002095 |
| Apr 2, 2026 | 424B5 | 0001477932-26-001963 |
| Apr 2, 2026 | 6-K | 0001477932-26-001965 |
| Mar 31, 2026 | 3 | 0001477932-26-001787 |
| Mar 31, 2026 | 6-K | 0001477932-26-001760 |
| Mar 31, 2026 | 3 | 0001477932-26-001786 |
| Mar 31, 2026 | 3 | 0001477932-26-001785 |
| Mar 25, 2026 | 424B5 | 0001477932-26-001565 |
| Mar 25, 2026 | 6-K | 0001477932-26-001577 |
| Mar 23, 2026 | 6-K | 0001477932-26-001540 |
| Mar 17, 2026 | 3 | 0001477932-26-001403 |
| Jan 15, 2026 | 6-K | 0001477932-26-000231 |
| Dec 31, 2025 | 6-K | 0001477932-25-009264 |
| Dec 19, 2025 | 6-K | 0001477932-25-009067 |
| Dec 11, 2025 | 6-K | 0001477932-25-008933 |
| Oct 24, 2025 | 6-K | 0001477932-25-007719 |