<SEC-DOCUMENT>0001193125-21-114736-index.html : 20210413 <SEC-HEADER>0001193125-21-114736.hdr.sgml : 20210413 <ACCEPTANCE-DATETIME>20210413163258 ACCESSION NUMBER: 0001193125-21-114736 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210413 DATE AS OF CHANGE: 20210413 FILER: COMPANY DATA: COMPANY CONFORMED NAME: HECLA MINING CO/DE/ CENTRAL INDEX KEY: 0000719413 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 770664171 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-08491 FILM NUMBER: 21823400 BUSINESS ADDRESS: STREET 1: 6500 N MINERAL DRIVE SUITE 200 STREET 2: NONE CITY: COEUR D'ALENE STATE: ID ZIP: 83815-9408 BUSINESS PHONE: 2087694100 MAIL ADDRESS: STREET 1: 6500 N MINERAL DRIVE SUITE 200 STREET 2: NONE CITY: COEUR D'ALENE STATE: ID ZIP: 83815-9408 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>d171858ddefa14a.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: d171858ddefa14a.htm
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