FSM FORTUNA MINING CORP.
Price Chart
Executive Summary
Fortuna Mining reported a 15% year-over-year increase in consolidated Proven and Probable Mineral Reserves to 3.0 million gold equivalent ounces (GEOs), driven by successful exploration at its Séguela and Diamba Sud projects. The Sunbird deposit at Séguela saw a 34% increase in underground reserves and a 55% rise in inferred resources, while Diamba Sud's indicated resources grew 165% to 1.25 million GEOs.
Actionable Insight
The significant reserve and resource growth, particularly at Sunbird and Diamba Sud, enhances Fortuna's long-term production profile and de-risks future output. Traders should monitor upcoming feasibility results for Diamba Sud, which could trigger a construction decision and further valuation upside.
Key Facts
- Consolidated Proven and Probable Mineral Reserves increased 15% YoY to 3.0 million GEOs
- Séguela's Sunbird underground reserves up 34% to 539,000 oz gold (4.4 Mt at 3.80 g/t)
- Diamba Sud Measured & Indicated Resources increased 165% to 1.25 million GEOs
- Total Inferred Resources rose 4% to 2.2 million GEOs
- Feasibility study for Diamba Sud on track for construction decision by end of Q2 2026
Financial Impact
Reserve growth extends mine life and supports future production planning, with Diamba Sud now holding 1.25M GEOs in Measured & Indicated Resources
Risk Factors
- Reserve and resource estimates depend on assumptions about metal prices, recoveries, and permitting
- Diamba Sud requires feasibility approval and construction decision, which are not guaranteed
- Exploration success may not translate to economic extraction
Market Snapshot
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001104659-26-047439 |
| Document: tm2612570d1_6k.htm | 0001104659-26-047439 |
| Document: 0001104659-26-047439-index-headers.html | 0001104659-26-047439 |
| Document: 0001104659-26-047439-index.html | 0001104659-26-047439 |
| Document: 0001104659-26-047439.txt | 0001104659-26-047439 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
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Jun 11, 2026
3d ago
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Institutional Cluster
| $8.21 awaiting T+5 | awaiting T+5 | — | $8.93 (+8.77%) |
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May 28, 2026
17d ago
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6-K
| $9.81 $9.42 | ▼ −3.98% | ▼ −3.93% | $8.93 (−8.97%) |
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May 28, 2026
17d ago
|
Press Release
| $9.81 $9.45 | ▲ +3.67% | ▲ +3.99% | $8.93 (+8.97%) |
|
May 20, 2026
25d ago
|
6-K
| $9.43 $9.52 | ▲ +0.95% | ▼ −0.28% | $8.93 (−5.30%) |
|
May 7, 2026
5w ago
|
6-K
| $10.46 $10.69 | ▲ +2.20% | ▲ +0.69% | $8.93 (−14.63%) |
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May 7, 2026
5w ago
|
Press Release
| $10.46 $10.69 | ▲ +2.20% | ▲ +0.69% | $8.93 (−14.63%) |
|
Apr 23, 2026
7w ago
|
6-K
| $10.12 $9.33 | ▼ −7.81% | ▼ −9.28% | $8.93 (−11.76%) |
|
Apr 23, 2026
7w ago
|
Press Release
| $10.12 $9.33 | ▲ +7.81% | ▲ +9.28% | $8.93 (+11.76%) |
|
Apr 22, 2026
7w ago
|
6-K
| $10.35 $9.37 | ▼ −9.47% | ▼ −9.52% | $8.93 (−13.72%) |
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Apr 22, 2026
7w ago
|
Press Release
| $10.35 $9.37 | ▲ +9.47% | ▲ +9.52% | $8.93 (+13.72%) |
US Market Status
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