| Filed On | Filing |
|---|---|
| 21 Mar 2025 | PRE 14A |
| 21 Mar 2019 | PRELIMINARY PROXY STATEMENT |
| 16 Mar 2018 | PRELIMINARY PROXY STATEMENT |
| 21 Mar 2017 | PRELIMINARY PROXY STATEMENT |
| 15 Mar 2016 | PRELIMINARY PROXY STATEMENT |
| 21 Mar 2014 | PRELIMINARY PROXY STATEMENT |
| 16 Mar 2010 | PRELIMINARY PROXY |
| 10 Mar 2006 | PRE 14A |
| 03 May 2005 | PRE 14A |
| 13 Mar 2002 | HECLA MINING COMPANY PRELIMINARY PROXY MATERIAL |
| 09 Apr 2001 | HECLA MINING COMPANY 2001 PROXY MATERIAL |
| 25 Feb 2000 | PRELIMINARY PROXY MATERIAL |
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