News · 26 weeks19+80%
2025-10-262026-04-19
Mix1590d
- SEC Filings6(40%)
- Insider5(33%)
- Other3(20%)
- Offering1(7%)
Latest news
25 items- INSIDERSEC Form 3 filed by new insider Liu Zheyuan3 - TANTECH HOLDINGS LTD (0001588084) (Issuer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 424B5 filed by Tantech Holdings Ltd.424B5 - TANTECH HOLDINGS LTD (0001588084) (Filer)
- PRTantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private PlacementsLISHUI, 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 closed on March 31, 2026. The transactions consi
- INSIDERSEC Form 3 filed by new insider Liao Mengqi3 - TANTECH HOLDINGS LTD (0001588084) (Issuer)
- INSIDERSEC Form 3 filed by new insider Qian Hongdao3 - TANTECH HOLDINGS LTD (0001588084) (Issuer)
- INSIDERSEC Form 3 filed by new insider Wang Shudong3 - TANTECH HOLDINGS LTD (0001588084) (Issuer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- PRTantech Receives NASDAQ Notification Regarding Minimum Bid RequirementsLISHUI, China, March 31, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ:TANH) ("Tantech" or the "Company") today announced that on March 26, 2026, it received a letter from The Nasdaq Stock Market LLC ("Nasdaq"), notifying the Company that it is currently not in compliance with the minimum bid price requirement set forth under Nasdaq Listing Rule 5550(a)(2). It resulted from the fact that the closing bid price of the Company's Class A common shares was below $1.00 per share for a period of 30 consecutive business days. This press release is issued pursuant to Nasdaq Listing Rule 5810(b), which requires prompt disclosure of receipt of a deficiency notification. The notification has no imme
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 424B5 filed by Tantech Holdings Ltd.424B5 - TANTECH HOLDINGS LTD (0001588084) (Filer)
- PRTantech Holdings Ltd Announces Notice of Allowance from U.S. Patent and Trademark Office for Hanging Cabinet Design PatentLISHUI, China, March 25, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ:TANH) (the "Company" or "Tantech"), today announced that its U.S. subsidiary, Tanhome Group Inc., has received a Notice of Allowance (NOA) from the United States Patent and Trademark Office (USPTO) for a Hanging Cabinet design patent application. The Notice of Allowance indicates that the patent application has successfully passed the USPTO's examination process and, upon payment of the required issue fee, will proceed to the final stage of patent grant.The hanging cabinet design focuses on innovative storage solutions for modern residential interiors. The design aligns closely with the Company's ongoing strategy to d
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- INSIDERNew insider Zhang Yefang claimed ownership of 1,142 units of Class B Common Shares (SEC Form 3)3 - TANTECH HOLDINGS LTD (0001588084) (Issuer)
- PRTantech Holdings Subsidiary, Tanhome Group Inc., Receives Notice of Allowance from USPTO for "TANHOME" Trademark, Fortifying North American Green Building StrategyLISHUI, China, Jan. 30, 2026 /PRNewswire/ -- Tantech Holdings Ltd. (NASDAQ:TANH) ("Tantech" or the "Company"), today announced that its U.S. subsidiary, Tanhome Group Inc., has received a Notice of Allowance (NOA) from the United States Patent and Trademark Office (USPTO) related to its application of the trademark "TANHOME" (Serial No. 99204946), marking a key step in the Company's brand asset protection and intellectual property strategic layout in the North American markets. The trademark, upon completion of the registration process, will cover the planned new business segments of the Company's "Green Home Ecosystem" strategy, establishing the commercial rights of the TANHOME brand in th
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECAmendment: SEC Form 20-F/A filed by Tantech Holdings Ltd.20-F/A - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 6-K filed by Tantech Holdings Ltd.6-K - TANTECH HOLDINGS LTD (0001588084) (Filer)
- SECSEC Form 20-F filed by Tantech Holdings Ltd.20-F - TANTECH HOLDINGS LTD (0001588084) (Filer)