---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-035267"
form_type: "8-K"
ticker: "HL"
cik: "0000719413"
company_name: "HECLA MINING CO/DE/"
filed_at: "2024-02-14T23:59:59+00:00"
generated_at: "2026-06-06T02:49:06.872385+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Hecla reports second-highest silver reserves at 238M oz and largest gold resource in history

## Summary
- Silver reserves 238M oz, only 1% below all-time high; Keno Hill reserves up 10% to 55M oz (45% since acquisition).
- Gold reserves down 16% to 2.1M oz due to Casa Berardi surface transition; M&I gold resources up 21% to 4.4M oz.
- Drilling highlights: 54.0 oz/ton Ag over 39.5 ft at Keno Hill Footwall Vein; 63.4 oz/ton Ag over 26 ft at Greens Creek West Zone.
- ATAC Resources acquisition adds 700 sq mi land package; Hecla expects to be Canada's largest silver producer in 2024.

## SEC filing metadata
- accession: 0001193125-24-035267
- form_type: 8-K
- ticker: HL
- cik: 0000719413
- company_name: HECLA MINING CO/DE/
- filed_at: 2024-02-14T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/719413/000119312524035267/0001193125-24-035267-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/719413/000119312524035267/d755347d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-035267
- JSON: https://secwatch.observer/filing/0001193125-24-035267.json
- Plain text: https://secwatch.observer/filing/0001193125-24-035267.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.