Tantech Holdings(TANH) - 2024 Q4 - Annual Report

FORM 20-F Commission file number 001-36885 TANTECH HOLDINGS LTD (Exact name of registrant as specified in its charter) Not Applicable (Translation of Registrant's Name into English) UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2024 OR British Virgin Islands ( ...