22 results
8-K
EX-99.1
HL
Hecla Mining Co.
10 May 23
First Quarter Highlights
6:00am
reportable injury frequency rate for the second time in three years.
Net zero in 2022 as scope 1&2 CO2 emissions offset with certified emission reduction
8-K
EX-2.1
HL
Hecla Mining Co.
6 Apr 23
Hecla Signs Definitive Agreement to Acquire Atac Resources
4:17pm
sudden, intermittent or gradual release, spill, leak, pumping, addition, pouring, emission, emptying, discharge, migration, injection, escape, leaching
425
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5 Jul 22
Business combination disclosure
9:36am
8-K
EX-2.1
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5 Jul 22
Hecla Acquires Alexco Resource
6:57am
8-K
EX-1.1
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19 Feb 20
Entry into a Material Definitive Agreement
3:58pm
8-K
EX-2.1
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4 Mar 13
Entry into a Material Definitive Agreement
12:00am
425
EX-2.1
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4 Mar 13
Business combination disclosure
12:00am
424B3
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15 Oct 09
Prospectus supplement
12:00am
8-K
EX-10.1
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15 Oct 09
Entry into a Material Definitive Agreement
12:00am
424B3
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15 Oct 09
Prospectus supplement
12:00am
8-K
EX-10.1
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22 Apr 08
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.1
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14 Sep 05
Entry into a Material Definitive Agreement
12:00am
S-1
EX-10.19
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7 Oct 02
IPO registration
12:00am
8-K
EX-99
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11 Apr 01
Hecla Mining Company Form 8-K Dated March 27, 2001
12:00am
8-K
EX-10.1
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28 Nov 00
Hecla Mining Company Form 8-K
12:00am