Yefang Zhang - 29 Jun 2013 Form 3 Insider Report for TANTECH HOLDINGS LTD (TANH)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
3
Accepted by SEC
17 Mar 2026, 20:01:53 UTC
Next SEC filing
17 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Yefang Zhang

Key filing fact

Yefang Zhang filed Form 3 for TANTECH HOLDINGS LTD (TANH) on 17 Mar 2026.

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.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001667258 Primary reporting owner

Zhang Yefang

Relationship
Director
Address
NO. 10 CEN SHAN ROAD, SHUIGE INDUSTRIAL ZONE LIANDU DISTRICT, LISHUI, ZHEJIANG PROVINCE, CHINA
Signature
/s/ Yefang Zhang
Signature date
17 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TANH holding

Class B Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,142
Date
29 Jun 2013
Ownership
Through TANBSOK GROUP LTD
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

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.

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