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SEC Edgar

HECLA MINING CO/DE/

SIC 1400 · Mining & Quarrying Of Nonmetallic Minerals (No Fuels)
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HECLA MINING CO/DE/

CIK:0000719413|SEC Filings

PLANS OF ORGANIZATION

EX-2.1
ex_117429.htm
2018-07-06T00:00:00Z
EX-2.1
ex_115867.htm
2018-06-04T00:00:00Z
EX-2.1
ex_108300.htm
2018-03-19T00:00:00Z
EX-2.1
ex_108300.htm
2018-03-19T00:00:00Z
EX-2.1
ex2-1.htm
2013-03-04T00:00:00Z
EX-2.1
ex2-1.htm
2013-03-04T00:00:00Z
EX-2.01.SCH
hl_ex201-20251231.xsd
2026-09-18T00:00:00Z
EX-2.01
hl_ex201-20251231.htm
2026-09-18T00:00:00Z
EX-2.01.SCH
hl_ex201-20241231.xsd
2025-09-19T00:00:00Z
EX-2.01
hl_ex201-20241231.htm
2025-09-19T00:00:00Z
EX-2.1
d476947dex21.htm
2023-04-06T00:00:00Z
EX-2.1
d369991dex21.htm
2022-07-05T00:00:00Z
EX-2.1
d414220dex21.htm
2018-06-05T00:00:00Z
EX-2.1
d942732dex21.htm
2015-06-15T00:00:00Z
EX-2.2
dex22.htm
2008-10-30T00:00:00Z
EX-2.1
dex21.htm
2008-08-13T00:00:00Z
EX-2.1
dex21.htm
2008-07-03T00:00:00Z
EX-2.1
dex21.htm
2008-06-25T00:00:00Z
EX-2.01.INS
hl_ex2_01-20231231.xml
2024-09-25T00:00:00Z
EX-2.01.SCH
hl_ex2_01-20231231.xsd
2024-09-25T00:00:00Z