Can Aris Mining Sustain Margin Momentum Amid Cost Pressures?

Key Takeaways Aris Mining's Q3 2025 AISC at Segovia rose 6.6% YoY to $1,641 per ounce amid higher costs.ARMN faced higher mill feed, royalties and social costs, plus a second mill ramp-up.Aris Mining lifted AISC margin 36% sequentially and 42% YoY on stronger gold prices.Aris Mining Corporation (ARMN) has been subject to rising operating costs over time. In third-quarter 2025, the company’s all-in-sustaining costs (AISC) per ounce, a crucial indicator of cost efficiency in mining, increased on a year-over-y ...