HECLA MINING CO/DE/ SEC filing history

123 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.

Open complete filing history at SEC

SEC filing history

Showing 1–25 of 123 matching filings.

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1

4/A

4/A filing

Filing date: 24 Aug 2026
Reporting date: 20 Aug 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 21 Aug 2026
Reporting date: 20 Aug 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q

10-Q filing

Filing date: 04 Aug 2026
Reporting date: 30 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 25 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 25 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

4/A filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 24 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 23 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 23 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 22 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 22 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 22 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 22 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

4/A filing

Filing date: 15 Jun 2026
Reporting date: 13 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q

10-Q filing

Filing date: 05 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 15 Apr 2026
Reporting date: 13 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3

3 filing

Filing date: 14 Apr 2026
Reporting date: 13 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 04 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 04 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

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