HL
Hecla Mining Company has filed 1,875 public company documents between 1994 and 2026. The most frequent type is insider trade (742 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 424B5 | Prospectus supplement | 1y ago2025-02-14 | - | View filing |
| 424B5 | Prospectus supplement | 2y ago2024-02-15 | - | View filing |
| 424B5 | Prospectus supplement | 4y ago2022-02-24 | - | View filing |
| 424B5 | Prospectus supplement | 5y ago2021-02-18 | - | View filing |
| 424B5 | Prospectus supplement | 6y ago2020-02-10 | - | View filing |
| 424B5 | Prospectus supplement | 7y ago2019-02-22 | - | View filing |
| 424B5 | Prospectus supplement | 10y ago2016-02-23 | - | View filing |
| 424B5 | Prospectus supplement | 17y ago2009-02-05 | - | View filing |
| 424B5 | Prospectus supplement | 17y ago2008-12-11 | - | View filing |
| 424B5 | Prospectus supplement | 17y ago2008-09-02 | - | View filing |
| 424B5 | Prospectus supplement | 18y ago2007-12-12 | - | View filing |
| 424B5 | Prospectus supplement | 27y ago1999-05-12 | - | View filing |
| 424B5 | Prospectus supplement | 27y ago1999-05-10 | - | View filing |
| 424B5 | Prospectus supplement | 27y ago1999-03-25 | - | View filing |
| 424B5 | Prospectus supplement | 29y ago1997-02-19 | - | View filing |
| 424B5 | Prospectus supplement | 30y ago1996-01-24 | - | View filing |
| 424B5 | Prospectus supplement | 30y ago1996-01-24 | - | View filing |