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Filing Detail
Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses:
SEC Accession No. 0001193125-20-035737
Filing Date
2020-02-13
Accepted
2020-02-13 17:02:05
Documents
1

Document Format Files

Seq Description Document Type Size
1 FWP d888391dfwp.htm FWP 20386
  Complete submission text file 0001193125-20-035737.txt   22065
Mailing Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408
Business Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408 2087694100
HECLA MINING CO/DE/ (Filed by) CIK: 0000719413 (see all company filings)

IRS No.: 770664171 | State of Incorp.: DE | Fiscal Year End: 1231
Type: FWP
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408
Business Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408 2087694100
HECLA MINING CO/DE/ (Subject) CIK: 0000719413 (see all company filings)

IRS No.: 770664171 | State of Incorp.: DE | Fiscal Year End: 1231
Type: FWP | Act: 34 | File No.: 333-229803 | Film No.: 20611790
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)