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Form 20-F TANTECH HOLDINGS LTD For: Dec 31

Thu, 14 May 2026 16:34:00 -0400

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Form 20-F TANTECH HOLDINGS LTD For: Dec 31

Thu, 14 May 2026 16:34:00 -0400

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Form NT 20-F TANTECH HOLDINGS LTD For: Dec 31

Fri, 01 May 2026 16:05:00 -0400

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Form NT 20-F TANTECH HOLDINGS LTD For: Dec 31

Fri, 01 May 2026 16:05:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: May 29 Filed by: Liu Zheyuan

Thu, 09 Apr 2026 19:30:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: May 29 Filed by: Liu Zheyuan

Thu, 09 Apr 2026 19:30:00 -0400

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Form 6-K TANTECH HOLDINGS LTD For: Apr 01

Thu, 02 Apr 2026 16:15:00 -0400

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Form 6-K TANTECH HOLDINGS LTD For: Apr 01

Thu, 02 Apr 2026 16:15:00 -0400

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Form 424B5 TANTECH HOLDINGS LTD

Thu, 02 Apr 2026 16:07:00 -0400

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Form 424B5 TANTECH HOLDINGS LTD

Thu, 02 Apr 2026 16:07:00 -0400

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Tantech Holdings closes $2.15 million equity offering

Tue, 31 Mar 2026 16:30:25 -0400

Tantech Holdings Ltd (NASDAQ: TANH) completed a registered direct offering and private placement that raised approximately $2.15 million in gross proceeds on March 31, 2026, according to a company statement.

The China-based bamboo charcoal products manufacturer sold 7,166,671 common units at $0.30 each. Each unit included one common share, one Series E warrant to purchase three shares at $0.30 per share, and one Series F warrant to purchase three shares at $0.35 per share.

The company plans to use net proceeds for general corporate purposes and working capital. Kaufman & Canoles, P.C. served as U.S. counsel for the transaction.

The registered direct offering

Tantech Holdings closes $2.15 million equity offering

Tue, 31 Mar 2026 16:30:25 -0400

The company plans to use net proceeds for general corporate purposes and working capital. Kaufman & Canoles, P.C. served as U.S. counsel for the transaction.

The registered direct offering

Tantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private Placements

Tue, 31 Mar 2026 16:30:00 -0400

LISHUI, China, March 31, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ: TANH) (the "Company"), a high-tech enterprise specializing in producing, researching and developing bamboo charcoal-based products, today announced the pricing and closing of a registered direct offering and concurrent private placement with certain investors. The Company issued Common Shares in a registered direct offering. In a concurrent private placement, the Company also issued to the same investors Series E Common Warrants and Series F Common Warrants. Aggregate gross proceeds to the Company from both transactions were approximately $2.15 million. The transactions

Tantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private Placements

Tue, 31 Mar 2026 16:30:00 -0400

Tantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private Placements

Tue, 31 Mar 2026 16:30:00 -0400

Tantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private Placements

Tue, 31 Mar 2026 16:30:00 -0400

Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Qian Hongdao

Tue, 31 Mar 2026 12:22:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Qian Hongdao

Tue, 31 Mar 2026 12:22:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: May 26 Filed by: Liao Mengqi

Tue, 31 Mar 2026 12:22:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: May 26 Filed by: Liao Mengqi

Tue, 31 Mar 2026 12:22:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Wang Shudong

Tue, 31 Mar 2026 12:21:00 -0400

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Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Wang Shudong

Tue, 31 Mar 2026 12:21:00 -0400

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Form 6-K TANTECH HOLDINGS LTD For: Mar 31

Tue, 31 Mar 2026 08:31:00 -0400

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Form 6-K TANTECH HOLDINGS LTD For: Mar 31

Tue, 31 Mar 2026 08:31:00 -0400

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Tantech receives NASDAQ deficiency notice for minimum bid price

Tue, 31 Mar 2026 08:30:28 -0400

Tantech Holdings Ltd. (NASDAQ: TANH) received a notification from The Nasdaq Stock Market LLC on March 26, 2026, stating the company is not in compliance with the minimum bid price requirement under Nasdaq Listing Rule 5550(a)(2).

The notification resulted from the closing bid price of Tantech's Class A common shares falling below $1.00 per share for 30 consecutive business days. The company's shares will continue to trade on Nasdaq under the ticker "TANH" without interruption.

Tantech has a 180-day compliance period until September 22, 2026, to regain compliance with the minimum bid price requirement. The company can achieve compliance if its closing