Market›Materials›Metals & Mining›Diversified Metals & Mining
GUNNISON COPPER CORP

GCUMF

$0.30Apr 26, 2021 – Apr 24, 2026
MaterialsMetals & MiningDiversified Metals & Mining$117M
MVM
-$7.4M
TD Variance
-0.505

Every news event mapped to its market reaction — 21 events, 61 months of data. No predictions, just what happened.

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News Events

DateReturnCategorySourceHeadline
2025-03-21+73.5%earningsProactive financial newsGunnison Copper targeting Q3 2025 production at Johnson Camp Mine - Proactive financial news
2026-03-31+11.4%newsTMX NewsfileGunnison Copper Project PEA Technical Report Reporting Post-Tax NPV8 of ~US$2.0 Billion and IRR of 22.5% is Now Filed
2026-02-26+10.0%newsProactiveGunnison Copper project economics strengthen with higher copper prices, operational enhancements
2026-02-26+10.0%newsTMX NewsfileGunnison Copper Announces Updated Preliminary Economic Assessment of Its Flagship Gunnison Copper Project Reporting Post-Tax NPV8 of US$2.0 Billion
2026-02-26+10.0%newsProactive financial newsGunnison Copper project economics strengthen with higher copper prices, operational enhancements - Proactive financial news
2026-03-03-9.5%newsProactiveGunnison Copper NPV jumps 55% to $2B
2026-02-04-9.2%legalYahoo FinanceGreenstone Announces Proposed Secondary Private Placement Offering of Shares of Gunnison Copper Corp. - Yahoo Finance
2026-03-11-7.7%executiveProactiveGunnison Copper announces retirement of director Michael Haworth
2026-03-11-7.7%M&ATMX NewsfileGunnison Copper Announces Retirement of Director Michael Haworth in Conjunction with Divestment of Greenstone Shareholdings
2026-01-20+6.1%newsYahoo FinanceGunnison Copper Eliminates Nebari Debt and Achieves Major Balance Sheet Milestone - Yahoo Finance
2025-12-23+4.6%newsProactive financial newsCopper prices surge to record high, boosting miners and developers amid AI demand - Proactive financial news
2022-06-03+4.4%newsSeeking AlphaExcelsior Mining: Progress After A Series Of Delays
2026-04-21-4.4%newsGlobeNewswireGreenstone Announces Sale of Shares of Gunnison Copper Corp.
2026-02-05-3.4%newsProactive financial newsGunnison Copper announces planned distribution of Greenstone-owned shares - Proactive financial news
2025-09-09-3.2%executiveThe Globe and MailCEO.CA's Inside the Boardroom: Gunnison Copper Is Now Producing 100% American Copper, Says Market Hasn't Caught Up Yet - The Globe and Mail
2026-04-16-2.7%newsProactiveGunnison Copper joins US defense consortium to boost domestic supply chain
2026-04-16-2.7%newsTMX NewsfileGunnison Copper Announces Membership in the U.S. Department of War Sponsored Defense Industrial Base Consortium (DIBC), Expanding Access to U.S. Funding and Strategic Opportunities
2021-05-29-2.6%newsSeeking AlphaExcelsior Mining Is Worth A Look
2025-10-10-1.1%expansionSeeking AlphaGunnison Copper launches C$15M private placement
2025-10-10-1.1%executiveSeeking AlphaGunnison Copper appoints Robert Winton as COO
2026-02-18-0.2%legalGlobeNewswireGreenstone Announces First Closing of Secondary Private Placement Offering of Shares of Gunnison Copper Corp.
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