TANTECH HOLDINGS LTD — Proxy Solicitation & Information Statement 2025

Dec 11, 2025

6-K 1 tanh_6k.htm FROM 6-K tanh_6k.htm Document created using EDGARMaster

U.S. SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2025

Commission File Number: 001-36885

Tantech Holdings Ltd
(Registrant’s name)

No. 10 Cen Shan Road, Shuige Industrial Zone

Lishui City, Zhejiang Province 323000

+86-578-226-2305

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Explanatory Note:

The Registrant is filing this Report on Form 6-K to provide its proxy statement for its 2025 annual shareholder meeting.

Exhibits No.	Description
99.1	Notice of Annual Meeting of Shareholders and Proxy Statement
99.2	Proxy Card

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Tantech Holdings Ltd — By:	/s/ Zheyuan Liu
Name:	Zheyuan Liu
Title:	Chief Executive Officer

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