HECLA MINING CO/DE/ — 424B3 Filings
29 424B3 filings on record
This page lists all 424B3 filings submitted to the SEC by HECLA MINING CO/DE/ (HL-PB), sorted by most recent first. Each row links to the full filing on EdgarLookup. HECLA MINING CO/DE/ has filed 29 424B3 documents with the SEC since 2011. To view all SEC filings by HECLA MINING CO/DE/, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
10KT405
11-K
144
144/A
25-NSE
3
4
4/A
424B1
424B2
424B3
424B4
424B5
425
5
8-A12B
8-K
8-K/A
ARS
CORRESP
D
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
NO ACT
NT 10-K
NT 11-K
POS AM
POSASR
PRE 14A
PREC14A
PRER14A
PX14A6G
RW
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001193125-20-040006 | Feb 18, 2020 | — |
| 424B3 | 424B3 | 0001193125-16-677882 | Aug 10, 2016 | — |
| 424B3 | 424B3 | 0001193125-15-178899 | May 8, 2015 | — |
| 424B3 | 424B3 | 0001193125-13-461657 | Dec 4, 2013 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001437749-10-000224 | Feb 4, 2010 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001437749-10-000222 | Feb 4, 2010 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001437749-10-000220 | Feb 4, 2010 | — |
| 424B3 | 424B3 | 0000897101-09-002696 | Dec 31, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002695 | Dec 31, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002694 | Dec 31, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002494 | Dec 2, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002493 | Dec 2, 2009 | — |
| 424B3 | FORM 424B3 | 0000897101-09-002492 | Dec 2, 2009 | — |
| 424B3 | FINAL PROSPECTUS | 0001193125-09-239848 | Nov 23, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002209 | Nov 4, 2009 | — |
| 424B3 | 424B3 | 0000897101-09-002208 | Nov 4, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-09-208590 | Oct 15, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-09-208589 | Oct 15, 2009 | — |
| 424B3 | PROSPECTUS | 0001193125-09-182630 | Aug 27, 2009 | — |
| 424B3 | FORM 424(B)(3) | 0000897101-09-001554 | Jul 30, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-09-143776 | Jul 2, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-09-126634 | Jun 8, 2009 | — |
| 424B3 | FORM 424B3 | 0000897101-09-000918 | Apr 30, 2009 | — |
| 424B3 | PROSPECTUS | 0000897101-06-000177 | Jan 25, 2006 | — |
| 424B3 | — | 0000897101-05-001642 | Jul 22, 2005 | — |
| 424B3 | — | 0000897101-03-001502 | Nov 20, 2003 | — |
| 424B3 | HECLA MINING COMPANY FOR 424(B)(3) | 0000897101-03-000614 | Jun 18, 2003 | — |
| 424B3 | HECLA MINING CO. FORM 424B3 | 0000897101-03-000126 | Feb 13, 2003 | — |
| 424B3 | PROSPECTUS | 0000898822-94-000044 | Mar 24, 1994 | — |