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Tantech Holdings (TANH)

0.47 -0.01 (2.08%)

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Tantech Holdings (TANH) files for 43M share offering by selling stockholders June 9, 2026 9:57 AM - StreetInsider Form F-3 TANTECH HOLDINGS LTD June 9, 2026 9:56 AM - SEC Filing Form 20-F TANTECH HOLDINGS LTD For: Dec 31 May 14, 2026 4:34 PM - SEC Filing Form NT 20-F TANTECH HOLDINGS LTD For: Dec 31 May 1, 2026 4:06 PM - SEC Filing Form 3 TANTECH HOLDINGS LTD For: May 29 Filed by: Liu Zheyuan April 9, 2026 7:30 PM - SEC Filing Form 6-K TANTECH HOLDINGS LTD For: Apr 01 April 2, 2026 4:16 PM - SEC Filing Form 424B5 TANTECH HOLDINGS LTD April 2, 2026 4:07 PM - SEC Filing Tantech Holdings closes $2.15 million equity offering March 31, 2026 4:30 PM - StreetInsider Tantech Holdings Ltd Announces Pricing and Closing of $2.15 Million Registered Direct Offering and Private Placements March 31, 2026 4:30 PM - PR NewsWire Form 3 TANTECH HOLDINGS LTD For: May 26 Filed by: Liao Mengqi March 31, 2026 12:22 PM - SEC Filing Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Qian Hongdao March 31, 2026 12:22 PM - SEC Filing Form 3 TANTECH HOLDINGS LTD For: Jul 01 Filed by: Wang Shudong March 31, 2026 12:21 PM - SEC Filing Form 6-K TANTECH HOLDINGS LTD For: Mar 31 March 31, 2026 8:31 AM - SEC Filing Tantech receives NASDAQ deficiency notice for minimum bid price March 31, 2026 8:30 AM - StreetInsider Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements March 31, 2026 8:30 AM - PR NewsWire Form 6-K TANTECH HOLDINGS LTD For: Mar 24 March 25, 2026 4:03 PM - SEC Filing Tantech Holdings enters $2.15 million at-the-market sales agreement March 25, 2026 9:24 AM - StreetInsider Form 424B5 TANTECH HOLDINGS LTD March 25, 2026 9:18 AM - SEC Filing Tantech receives patent approval notice for hanging cabinet design March 25, 2026 6:30 AM - StreetInsider Tantech receives patent allowance for hanging cabinet design March 25, 2026 6:30 AM - StreetInsider Tantech receives patent allowance for hanging cabinet design March 25, 2026 6:30 AM - StreetInsider Tantech Holdings Ltd Announces Notice of Allowance from U.S. Patent and Trademark Office for Hanging Cabinet Design Patent March 25, 2026 6:30 AM - PR NewsWire Form 6-K TANTECH HOLDINGS LTD For: Mar 23 March 23, 2026 4:03 PM - SEC Filing Form 3 TANTECH HOLDINGS LTD For: Jun 29 Filed by: Zhang Yefang March 17, 2026 8:02 PM - SEC Filing Full Article List