Key facts
- This page summarizes Yefang Zhang's Form 3 filing for TANTECH HOLDINGS LTD (TANH).
- 0 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 17 Mar 2026, 20:01.
Key filing fact
Ownership activity is grounded in SEC Form 3 disclosures.
Shares, units, or other non-derivative securities reported in this filing.
No transaction description listed
Additional SEC filing notes
Footnote F1
Such Class B common shares are held of record by TANBSOK GROUP LTD. Ms. Zhang is the sole shareholder of TANBSOK GROUP LTD and has the sole power to vote and dispose of the securities held by such entity.