Welcome to our dedicated page for Tantech Holdings SEC filings (Ticker: TANH), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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 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.
TANTECH HOLDINGS LTD CEO Liu Zheyuan filed an initial Form 3 insider ownership report for the company. This filing establishes his status as a reporting person but shows no insider purchases, sales, or other equity transactions in this submission.
Tantech Holdings Ltd completed a registered direct offering and concurrent private placement, raising aggregate gross proceeds of about $2.15 million.
The company sold 7,166,671 Common Units at $0.30 per unit, each unit including one common share, a Series E warrant to buy three shares at $0.30, and a Series F warrant to buy three shares at $0.35. Tantech plans to use the net proceeds, together with existing cash, for general corporate purposes and working capital. Directors and officers agreed to 60‑day lock-ups after closing, and the company committed to register resales of the shares and warrant shares under its existing Form F‑3 shelf.
Tantech Holdings Ltd is conducting a registered direct offering of 7,166,671 Class A Common Shares at $0.30 per unit in a transaction that raises aggregate gross proceeds of approximately $2.15 million. The offering is paired with a concurrent Regulation S private placement of Series E and Series F warrants exercisable for up to 43,000,026 Class A Common Shares.
The prospectus supplement states 6,515,886 Class A Common Shares were outstanding as of March 31, 2026, and the company reported a public float of approximately $6,579,891.44 used to confirm shelf offering capacity. Closing is expected on or about March 31, 2026, subject to customary conditions.
TANTECH HOLDINGS LTD director Liao Mengqi filed an initial Form 3, which is the first statement of beneficial ownership as an insider of the company. The filing does not report any insider trades and simply establishes Liao’s status as a director subject to insider reporting rules.
TANTECH HOLDINGS LTD director Liao Mengqi filed an initial Form 3, which is the first statement of beneficial ownership as an insider of the company. The filing does not report any insider trades and simply establishes Liao’s status as a director subject to insider reporting rules.
TANTECH HOLDINGS LTD filed an initial insider ownership report for director Qian Hongdao. The Form 3 data shows no reported transactions, no reported derivative positions, and no share holdings entries, indicating this filing is primarily an administrative disclosure of insider status.
TANTECH HOLDINGS LTD filed an initial insider ownership report for director Qian Hongdao. The Form 3 data shows no reported transactions, no reported derivative positions, and no share holdings entries, indicating this filing is primarily an administrative disclosure of insider status.
TANTECH HOLDINGS LTD director Wang Shudong has filed an initial insider ownership report as a reporting person for the company. The filing is a Form 3-type disclosure and shows no insider transactions, derivative positions, or holdings data beyond role designations at the time of the report.
TANTECH HOLDINGS LTD director Wang Shudong has filed an initial insider ownership report as a reporting person for the company. The filing is a Form 3-type disclosure and shows no insider transactions, derivative positions, or holdings data beyond role designations at the time of the report.
Tantech Holdings Ltd reported that Nasdaq notified the company its Class A shares failed to meet the $1.00 minimum closing bid price for 30 consecutive business days, triggering a deficiency under Nasdaq Listing Rule 5550(a)(2). The shares continue trading on Nasdaq under “TANH”.
The company has 180 calendar days, until September 22, 2026, to regain compliance, potentially including a reverse stock split completed at least ten business days before that date, and may qualify for an additional 180‑day grace period. Tantech also entered an exchange agreement with Streeterville Capital, LLC, exchanging a $45,000 promissory New Note for 74,478 Class A shares under a registration exemption.
Tantech Holdings Ltd reported that Nasdaq notified the company its Class A shares failed to meet the $1.00 minimum closing bid price for 30 consecutive business days, triggering a deficiency under Nasdaq Listing Rule 5550(a)(2). The shares continue trading on Nasdaq under “TANH”.
The company has 180 calendar days, until September 22, 2026, to regain compliance, potentially including a reverse stock split completed at least ten business days before that date, and may qualify for an additional 180‑day grace period. Tantech also entered an exchange agreement with Streeterville Capital, LLC, exchanging a $45,000 promissory New Note for 74,478 Class A shares under a registration exemption.
Tantech Holdings Ltd established an at-the-market share sales program allowing it to sell Class A common shares with an aggregate offering price of up to $2,150,000 through Joseph Stone Capital LLC as sales agent under its existing shelf registration statement on Form F-3.
The company is not obligated to sell shares and the sales agent is not required to purchase any. Tantech will pay the agent a 4.5% commission on gross proceeds and reimburse certain expenses. Legal opinions and the full sales agreement are filed as exhibits and the disclosure is incorporated by reference into existing S-8 and F-3 registration statements.
Tantech Holdings Ltd intends to offer Class A Common Shares in an at-the-market program with aggregate offering proceeds of up to $2,150,000 through Joseph Stone Capital LLC, subject to the Sales Agreement.
The Sales Agent will sell shares from time to time at market prices using commercially reasonable efforts; the Sales Agent will receive a fixed commission of 4.5% of gross proceeds. As of March 20, 2026, Tantech had 6,441,408 Class A Common Shares outstanding and Nasdaq last reported sale price was $0.8352 per share. The offering is an at-the-market offering under Rule 415 and may be suspended or terminated under the Sales Agreement; proceeds are intended for working capital and general corporate purposes.