Mitchell P. Kopin 13D and 13G filings for Tantech Holdings Ltd:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-11-13 11:17 am Sale | 2024-09-30 | 13G | TANTECH HLDGS LTD SHS US$0 TANH | Mitchell P. Kopin | 10,956 4.990% | -9,423 (-46.24%) | Filing |
| 2024-05-08 5:16 pm Purchase | 2024-05-01 | 13G | TANTECH HLDGS LTD SHS US$0 TANH | Mitchell P. Kopin | 20,379 9.990% | 20,221 (+12798.10%) | Filing |