TANH News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-08-07 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K/A | TANTECH HOLDINGS LTD filed Form 6-K/A. |
| 2026-08-06 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-08-04 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-04-02 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-03-31 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-03-25 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-03-23 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2026-01-15 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-12-31 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-12-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-12-11 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-10-24 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-10-17 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-09-24 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-06-03 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-03-03 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-02-10 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-01-08 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-01-06 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2025-01-02 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-12-27 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-12-20 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-12-16 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-09-10 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-08-28 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-07-29 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K/A | TANTECH HOLDINGS LTD filed Form 6-K/A. |
| 2024-06-17 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-05-21 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-05-08 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-04-26 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-03-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-02-29 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-01-16 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2024-01-02 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-12-05 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-11-20 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-10-24 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-08-14 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-06-30 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-06-28 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K/A | TANTECH HOLDINGS LTD filed Form 6-K/A. |
| 2023-06-23 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2023-03-24 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-12-28 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-12-21 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-12-13 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-12-01 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-11-22 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-11-08 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-10-31 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-10-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-08-03 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-07-21 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-06-21 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-06-01 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-05-27 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-05-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-04-28 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-03-22 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-03-21 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-03-15 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-03-02 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2022-02-25 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-12-07 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-11-18 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-11-04 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-10-22 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-10-04 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-09-01 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-08-09 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-08-06 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-08-06 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-07-19 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-06-08 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2021-06-07 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K/A | TANTECH HOLDINGS LTD filed Form 6-K/A. |
| 2021-05-27 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-12-08 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K/A | TANTECH HOLDINGS LTD filed Form 6-K/A. |
| 2020-11-24 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-11-20 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-09-30 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-09-14 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-08-12 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-05-20 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2020-04-22 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-12-18 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-12-17 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-12-06 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-07-29 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-06-27 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-06-27 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-05-28 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-04-23 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2019-01-30 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-12-26 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-12-14 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-12-10 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-11-07 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-10-15 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-09-17 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |
| 2018-08-31 | Foreign issuer report | SEC filing | TANTECH HOLDINGS LTD filed Form 6-K | TANTECH HOLDINGS LTD filed Form 6-K. |