# HECLA MINING CO/DE/ — DEFA14A

HECLA MINING CO/DE/ of COEUR D'ALENE, ID filed a DEFA14A with the SEC on 2021-04-13. Industry: Mining & Quarrying of  Nonmetallic Minerals (No Fuels).

## Filing

- Filed: 2021-04-13
- Form: DEFA14A
- Accession: 0001193125-21-114736
- Registrant: HECLA MINING CO/DE/
- CIK: 0000719413
- Industry (SIC): Mining & Quarrying of  Nonmetallic Minerals (No Fuels) (1400)
- State of incorporation: DE
- Location: COEUR D'ALENE, ID

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-10](https://search.stillhousedata.com/proxy/0001193125-26-151224) | DEFA14A |
| [2026-04-10](https://search.stillhousedata.com/proxy/0001193125-26-151210) | DEF 14A |
| [2025-04-10](https://search.stillhousedata.com/proxy/0001193125-25-077487) | DEFA14A |
| [2025-04-10](https://search.stillhousedata.com/proxy/0001193125-25-077486) | DEF 14A |
| [2025-03-21](https://search.stillhousedata.com/proxy/0001193125-25-060274) | PRE 14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0001193125-24-087300) | DEFA14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0001193125-24-087295) | DEF 14A |
| [2023-04-11](https://search.stillhousedata.com/proxy/0001193125-23-097285) | DEFA14A |
| [2023-04-11](https://search.stillhousedata.com/proxy/0001193125-23-097284) | DEF 14A |
| [2022-04-12](https://search.stillhousedata.com/proxy/0001193125-22-102295) | DEFA14A |
| [2022-04-12](https://search.stillhousedata.com/proxy/0001193125-22-102288) | DEF 14A |
| 2021-04-13 | DEFA14A |

## More

- [CIK 719413 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=719413&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-21-114736.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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