Tantech Holdings Ltd. filings document foreign private issuer reports for a British Virgin Islands company with Class A common shares listed under TANH. Recent Form 6-K disclosures cover registered direct offerings, private placements, warrant issuances, at-the-market sales arrangements, promissory notes, note exchanges for common shares, and the use of offering proceeds for working capital and general corporate purposes.
The filing record also documents Nasdaq minimum-bid-price compliance notices, shareholder meeting materials, and amendments to the company's memorandum and articles of association. Those governance disclosures include the reclassification of common shares into Class A and Class B shares, voting-right differences, BVI corporate filing matters, and related capital-structure changes.
Tantech Holdings Ltd (TANH) announced that Yefang Zhang resigned as a director and chairman of the board, and Yao L Xu was elected director and chairman by the remaining board members, effective October 1, 2026. Xu was designated a Class III director. Tantech said Zhang’s resignation was not the result of disagreement with the company concerning its operations, policies or practices. Xu founded Hong Kong Anxue International Co., Ltd. and Zhuhai Anxue Technology Co., Ltd. in 2015. He has served as Asia-Pacific General Manager of Chatham International Group since 2005 and worked as China Investment Advisor of Charles Jerquin Co., Ltd. from 2000 to 2004. He holds a bachelor’s degree from Jinan University.
TANTECH HOLDINGS LTD (TANH) regained compliance with Nasdaq’s minimum bid price requirement. Nasdaq notified the company on September 21, 2026, after its Class A common shares had a closing bid price of at least $1.00 per share for 10 consecutive business days, from September 4 through September 18, 2026. Nasdaq determined the requirement was met and closed the matter.
TANTECH HOLDINGS LTD (TANH) has approved a reverse stock split of its Class A common shares at a 1-for-50 ratio. The action becomes effective at 04:01 p.m. ET on September 3, 2026, with shares trading on a split-adjusted basis on Nasdaq starting September 4, 2026.
The reverse split will reduce outstanding common shares from 33,382,332 to approximately 667,647, with every 50 existing shares automatically combined into one share. No fractional shares will be issued, and the split will affect all shareholders uniformly. TANH will continue trading on the Nasdaq Capital Market under the same symbol with a new CUSIP.
TANTECH HOLDINGS LTD (symbol TANH) reports changes to its board of directors. Effective August 12, 2026, independent directors Shudong Wang and Mengqi Liao resigned from the board. The company states that each resignation was not due to any disagreement regarding its operations, policies, or practices.
On the same date, the remaining board members elected Jiwen Huang and Chuanjiang Xiao as independent directors and members of the nominating committee to fill the resulting vacancies. Mr. Huang and Mr. Xiao will each serve the remainder of their predecessors’ terms, scheduled to expire at the company’s 2026 annual meeting of shareholders, or until their successors are duly elected and qualified. The board determined that both new directors satisfy the independence requirements of Nasdaq Listing Rule 5605(a)(2). The filing also outlines their professional backgrounds in medical device sales and business consulting, respectively.
Tantech Holdings Ltd filed an amended report to correct typographical errors in a prior August 5, 2026 disclosure, clarifying director Pi-Hua Liu’s name and a pronoun reference in the description of director Lei Yao’s appointment.
Effective August 2, 2026, directors Weilin Zhang and Hongdao Qian resigned, with the company stating there were no disagreements on operations, policies, or practices. The Board appointed Yongxin Su as a Class III director and Co-Chief Executive Officer, and Pi-Hua Liu as a director and Co-Chief Financial Officer, both serving terms running to the 2027 annual meeting or until successors are elected. Lei Yao was elected an independent director and chair of the nominating committee to complete Mr. Qian’s term expiring at the 2026 annual meeting, and Shipu Huang was elected an independent Class I director with a term to the 2028 annual meeting. The Board determined that Mr. Yao and Mr. Huang meet the independence requirements of Nasdaq Listing Rule 5605(a)(2).
Tantech Holdings Ltd restructured its board and senior management effective August 2, 2026. Directors Weilin Zhang and Hongdao Qian resigned, with both departures stated as not arising from any disagreement regarding the company’s operations, policies, or practices.
The remaining board members elected Yongxin Su as a director and Co-Chief Executive Officer and Bihua Liu as a director and Co-Chief Financial Officer, each serving terms expiring at the 2027 annual meeting of shareholders. Lei Yao was appointed independent director and chair of the nominating committee through the 2026 annual meeting, and Shipu Huang became an independent Class I director with a term through the 2028 annual meeting. The company highlights Su’s AI and high-performance computing background, Liu’s long corporate finance experience, Yao’s banking and management background, and Huang’s IT services and operations experience.
Tantech Holdings Ltd, a foreign private issuer, reports a change in its U.S. legal counsel.
The company dismissed Kaufman & Canoles, P.C. as its counsel, effective August 2, 2026. It engaged Womble Bond Dickinson (US) LLP as new counsel on August 3, 2025.
Tantech Holdings Ltd is registering up to 43,000,026 Class A Common Shares for resale by selling shareholders; these shares are issuable upon exercise of Series E and Series F warrants. The Company states it is not selling any Common Shares under this prospectus and will receive proceeds only if Warrants are exercised for cash.
The prospectus discloses the Series E exercise price of $0.30 per share and the Series F exercise price of $0.35 per share, and cites a Nasdaq closing price of $0.4268 per share on May 29, 2026. The filing highlights substantial PRC-related regulatory, tax and cash‑remittance risks, and notes the Company is a BVI holding company with operating subsidiaries in China, Hong Kong and the U.S.
Tantech Holdings Ltd files its annual Form 20-F, reporting sharply weaker 2025 results and extensive China-related regulatory risks. Revenue declined to $38.36M in 2025 from $42.94M in 2024, while net loss attributable to common shareholders widened to $31.42M from $3.24M.
The company highlights that it is a British Virgin Islands holding company whose main operations are conducted through PRC subsidiaries, exposing investors to evolving Chinese legal, data-security and CSRC filing regimes, as well as HFCAA-related audit risks. It also discloses heavy customer and supplier concentration, reliance on distributors, and significant uncertainties around cash movement, dividends and future financing needs.