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Gold 3,885.30 −2.9% Silver 50.06 −3.7% Copper 6.19 −1.5% Oil 88.70 +2.5% Palladium 992.00 −5.2% SEA 35.00 −3.2% GLO 0.300 −6.2% WM 1.42 −2.1% MFG 3.25 −4.7% RAGE 0.295 +0.0% DPM 50.56 −4.2% ARIS 21.08 −4.7% AUEN 0.170 +6.2% FCI 0.540 −1.8% SLI 1.98 −5.3% COCO 0.350 −4.1% BCU 0.060 +0.0% BGF 0.025 +0.0% TDG 0.710 +44.9% PRU 6.04 −4.1% NGEX 21.01 −5.2% Gold 3,885.30 −2.9% Silver 50.06 −3.7% Copper 6.19 −1.5% Oil 88.70 +2.5% Palladium 992.00 −5.2% SEA 35.00 −3.2% GLO 0.300 −6.2% WM 1.42 −2.1% MFG 3.25 −4.7% RAGE 0.295 +0.0% DPM 50.56 −4.2% ARIS 21.08 −4.7% AUEN 0.170 +6.2% FCI 0.540 −1.8% SLI 1.98 −5.3% COCO 0.350 −4.1% BCU 0.060 +0.0% BGF 0.025 +0.0% TDG 0.710 +44.9% PRU 6.04 −4.1% NGEX 21.01 −5.2%
Production / Operations

Capstone Copper employees at Mantoverde to go on strike

By The Northwire Desk — AI Analysis Jan 02, 2026 · 03:28 CS · 13.78 Capstone Copper Corp.
CS · Price

Executive Summary

  • Union No. 2, representing approximately 50% of Mantoverde employees (22% of the total workforce), will initiate a strike effective January 2, 2026, following unsuccessful collective bargaining negotiations.
  • Capstone Copper expects to maintain operations at Mantoverde at reduced capacity, specifically up to 30% of normal production levels, while gradually reducing certain activities in a safe manner.
  • The company remains committed to legal procedures and constructive dialogue, noting that new three-year collective bargaining agreements were successfully negotiated with the other three unions during 2025.

Key Details

  • Strike Details: Union No.2 will take strike action effective Jan. 2, 2026.
  • Workforce Impact: Union No. 2 represents approximately 50% of Mantoverde employees, which equates to 22% of the total workforce.
  • Production Impact: Operations will continue at up to 30% of normal production levels during the strike.
  • Company Stance: Capstone Copper states it attempted to reach an agreement in good faith prior to the strike notice and remains willing to participate in meetings to resolve the dispute.
  • Historical Context: New three-year collective bargaining agreements were negotiated with the other three unions during 2025.
  • Operational Statistics: Mantoverde employs approximately 1,270 total employees (including ~550 from local Atacama communities) and ~1,670 contractors, totaling ~2,940 individuals.
  • Financial Context: In 2024, Capstone distributed $682 million in economic value to Chile, including $136 million in employee wages and benefits.

Notable Quotes

  • "During 2025, Mantoverde was able to negotiate new three-year collective bargaining agreements with the three other unions."
  • "Capstone Copper remains willing to participate in meetings to reach a resolution, and will continue to adhere to legal procedures, respecting the rights of all its employees, inviting the union to engage in a constructive dialogue..."
Read the original news release →

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