TANTECH HOLDINGS LTD Form 6-K: Report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2025-12-31: Form 6-K; Period of report 2025-12-31; Description FORM 6-K; Document tanh_6k.htm.
- 2025-12-19: Form 6-K; Period of report 2025-06-30; Description FORM 6-K; Document tanh_6k.htm.
- 2025-12-11: Form 6-K; Period of report 2025-12-11; Description FROM 6-K; Document tanh_6k.htm.
- 2025-10-24: Form 6-K; Period of report 2025-10-23; Description FORM 6-K; Document tanh_6k.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2025-12-31 | 6-K | 2025-12-31 | FORM 6-K | tanh_6k.htm |
| 2025-12-19 | 6-K | 2025-06-30 | FORM 6-K | tanh_6k.htm |
| 2025-12-11 | 6-K | 2025-12-11 | FROM 6-K | tanh_6k.htm |
| 2025-10-24 | 6-K | 2025-10-23 | FORM 6-K | tanh_6k.htm |
| 2025-10-17 | 6-K | 2025-10-17 | FORM 6-K | tanh_6k.htm |
| 2025-09-24 | 6-K | 2025-09-24 | FORM 6-K | tanh_6k.htm |
| 2025-06-03 | 6-K | 2025-06-02 | FORM 6-K | tanh_6k.htm |
| 2025-03-03 | 6-K | 2025-03-03 | FORM 6-K | tanh_6k.htm |
| 2025-02-10 | 6-K | 2025-02-10 | FORM 6-K | tanh_6k.htm |
| 2025-01-08 | 6-K | 2025-01-07 | FORM 6-K | tanh_6k.htm |
| 2025-01-06 | 6-K | 2025-01-06 | FORM 6-K | tanh_6k.htm |
| 2025-01-02 | 6-K | 2024-06-30 | FORM 6-K | tanh_6k.htm |