SEC Form 4 · Updated Daily
TANH
— Tantech Holdings Ltd OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Zhang Yefang | Director | 1,142 | 2013-06-29 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2013-06-29 | Zhang Yefang | — | — | — | 1,142 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.