---
schema_version: "secwatch.filing_event.v1"
accession: "0000921638-23-000145"
form_type: "8-K"
ticker: "SSRM"
cik: "0000921638"
company_name: "SSR MINING INC."
filed_at: "2023-06-20T23:59:59+00:00"
generated_at: "2026-06-13T22:11:30.954087+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SSR Mining reports Copper Hill drilling results: 1.4% Cu over 140m, 2.2% Cu over 32m

## Summary
- 42 diamond drill holes completed; highlights include 1.4% Cu over 139.7m and 2.2% Cu over 31.9m.
- Mineralization defined along ~1 km strike to 250m depth, starting from surface, suggesting open-pit potential.
- Company increased ownership in Copper Hill JV to 70% at end of 2021; partner Lidya Mines holds 30%.
- Low As (<8ppm) and other metals (<0.03% Pb+Zn) indicate potential for clean copper concentrate.
- Exploration to restart September 2023 targeting extensions and new targets on the property.

## SEC filing metadata
- accession: 0000921638-23-000145
- form_type: 8-K
- ticker: SSRM
- cik: 0000921638
- company_name: SSR MINING INC.
- filed_at: 2023-06-20T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921638/000092163823000145/0000921638-23-000145-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921638/000092163823000145/ssrm-20230620.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000921638-23-000145
- JSON: https://secwatch.observer/filing/0000921638-23-000145.json
- Plain text: https://secwatch.observer/filing/0000921638-23-000145.txt

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