ARMN's Margins Expand Despite Rising Costs: Will the Momentum Sustain?

Key Takeaways Aris Mining reported Q3 2025 consolidated AISC up 6.6% to about $1,641 per ounce at Segovia.ARMN's costs rose from purchased mill feed, higher royalties and social contributions and the Segovia ramp-up.ARMN's AISC margin rose 36% sequentially and 42% year over year on higher gold prices and sales volumes.Aris Mining Corporation (ARMN) has been grappling with rising costs over time. In the third quarter of 2025, the company reported an uptick in its all-in-sustaining costs (AISC) per ounce, a c ...