| Filed On | Filing |
|---|---|
| 14 Feb 2025 | 424B5 |
| 15 Feb 2024 | 424B5 |
| 24 Feb 2022 | 424B5 |
| 18 Feb 2021 | 424B5 |
| 10 Feb 2020 | 424B5 |
| 22 Feb 2019 | 424B5 |
| 23 Feb 2016 | 424B5 |
| 05 Feb 2009 | FINAL PROSPECTUS SUPPLEMENT |
| 11 Dec 2008 | PROSPECTUS SUPPLEMENT |
| 02 Sep 2008 | PROSPECTUS SUPPLEMENT |
| 12 Dec 2007 | PRELIMINARY PROSPECTUS SUPPLEMENT |
| 12 May 1999 | HMC AMENDED PROSPECTUS SUPPLEMENT DATED MAY 12, 1999 |
| 10 May 1999 | HMC PROSPECTUS SUPPLEMENT DATED MAY 7, 1999 |
| 25 Mar 1999 | HECLA MINING COMPANY PROSPECTUS SUPPLEMENT |
| 19 Feb 1997 | RULE 424(B)(5) REGISTRATION NO. 33-59659 |
| 24 Jan 1996 | RULE 424(B)(5) REGISTRATION NO. 33-59659 |
| 24 Jan 1996 | RULE 424(B)(5) REGISTRATION NO. 33-59659 |
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