Tantech Holdings Ltd.

TANH·NASDAQ·$0.41Share Price as of 11/2·$3MMarket Cap as of 11/2

Financials

20-FAnnual report (foreign)05/14/26 20-F/AAnnual report (foreign, amended)09/18/25 20-FAnnual report (foreign)05/15/25 20-FAnnual report (foreign)06/11/24 20-FAnnual report (foreign)05/01/23

Disclosures

6-KForeign issuer report10/02/26 6-KForeign issuer report09/24/26 6-KForeign issuer report09/01/26 6-KForeign issuer report08/19/26 6-K/AForeign issuer report (amended)08/07/26

Prospectuses and Registrations

F-3Shelf registration (foreign)06/09/26 424B5Prospectus supplement04/02/26 424B5Prospectus supplement03/25/26 424B3Prospectus07/26/24 F-1/ARegistration (foreign issuer, amended)07/22/24

Proxies

No matching filings.

Ownership

Form 3Initial insider ownership04/09/26 Form 3Initial insider ownership03/31/26 Form 3Initial insider ownership03/31/26 Form 3Initial insider ownership03/31/26 Form 3Initial insider ownership03/17/26

Other

EFFECTRequest for effectiveness06/17/26 CORRESPCorrespondence with the SEC06/15/26 UPLOADLetter from the SEC06/03/26 DRSDRS06/02/26 NT 20-FLate filing notification (20-F)05/01/26