Welcome to our dedicated page for Gunnison Copper news (Ticker: GCUMF), a resource for investors and traders seeking the latest updates and insights on Gunnison Copper stock.
The news feed for Gunnison Copper Corp. (GCUMF) highlights the company’s evolution as a multi-asset copper developer and producer in the Southern Arizona Copper Belt. Recent announcements emphasize operational milestones at the Johnson Camp Mine, technical progress at the Gunnison Copper Project, district-scale exploration initiatives and key financing and corporate developments.
News releases describe Johnson Camp’s transition from care-and-maintenance to a fully operational mine, including first copper production and the first sales of pure copper cathode from southeast Arizona. Gunnison reports that Johnson Camp has a production capacity of up to 25 million pounds of finished copper cathode annually and that copper revenues from Johnson Camp initially accrue to Nuton LLC, a Rio Tinto venture, until Nuton has received payback of its funding for the asset.
Coverage also focuses on the deployment of Rio Tinto’s Nuton bioleaching technology at Johnson Camp and its role in producing 99.99% pure copper cathode at the mine gate without traditional concentrators, smelters and refineries. A collaboration between Nuton and Amazon Web Services is highlighted, under which AWS uses the first Nuton copper produced at Johnson Camp in components of its U.S. data centres and provides cloud-based data and analytics support to optimise Nuton’s technology.
Additional Gunnison Copper news includes updates on the Gunnison Project’s High-Value-Add Work Program, such as limestone evaluation for potential industrial by-products, preliminary economic impact findings from a University of Arizona study, a non-binding Letter of Intent with Lunasonde to test airborne subsurface imaging across the Cochise Mining District, balance sheet developments involving the Nebari credit facility, private placement financing plans, and corporate announcements regarding board and management changes.
Investors and observers can use this news stream to follow operational performance at Johnson Camp, technical and economic studies at the Gunnison Project, district-scale exploration partnerships and the company’s financing and corporate strategy.
Gunnison Copper (OTCQB: GCUMF) has announced the commencement of mineral processing at its Johnson Camp Mine (JCM) in southeast Arizona, with first copper sales anticipated in September 2025. The company achieved a significant milestone by initiating copper leaching on July 18, approximately one year after beginning leach pad construction.
Key operational updates include: completion of leach pad Phase-2 and Phase-3, construction of conveyors, finished overflow pond construction, and completion of pipelines from leach pads to the SX/EW plant. The company expects first copper cathode production from Run-of-mine (ROM) oxide using conventional leach technology in September, while first copper using Nuton technology is anticipated by year-end.
The project maintains an impressive 11-year no lost time accident record with over 100 employees and contractors on site.
Gunnison Copper Corp. (OTCQB: GCUMF) held its 2025 Annual General Meeting on June 26, 2025, in Vancouver, B.C. Shareholders elected six directors to the board with overwhelming support, each receiving over 99% approval. The elected directors include Stephen Twyerould, Colin Kinley, Fred DuVal, Michael Haworth, Joseph Gallucci, and Jason Howe.
Shareholders also approved setting the board size at six members and appointed PricewaterhouseCoopers LLP as the company's auditors.
Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) has appointed two new members to its Board of Directors: Jason Howe and Joseph Gallucci. Howe, a CPA with over 20 years of experience, was a co-founder of Capstone Mining Corp. where he led $2 billion in transactions in 2021. Gallucci, an MBA holder and capital markets executive, brings 20+ years of investment banking and equity research experience, currently serving as Managing Director at Laurentian Bank Securities.
These appointments align with Gunnison's strategy to strengthen its leadership with mining professionals having production and finance expertise, as the company prepares for copper production at Johnson Camp Mine in Q3 2025 and advances its open pit development plan.
Gunnison Copper Corp (GCUMF) has successfully completed a Second Amended and Restated Credit Agreement (Second ARCA) with Nebari Natural Resources Credit Fund I LP. The agreement modifies the previous First ARCA dated December 22, 2021, introducing key changes including:
- Suspension of principal amortization from February 1, 2025, to January 1, 2026
- Potential conversion of up to US$6.25 million of principal to equity at US$0.2097 per share
- Mechanism for principal repayment through proceeds from 48C tax credits sale
- Potential maturity date extension through refinancing
The amendments required several conditions, including Toronto Stock Exchange approval, Greenstone Resources L.P. and Triple Flag approval, deferral of convertible debenture interest payments, and commencement of a Gunnison Project optimization work program. All conditions have been met.
Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) has announced an upcoming live virtual corporate update webinar hosted by Red Cloud Financial Services on April 22nd, 2025 at 2:00 PM ET.
The presentation will feature Senior VP & CFO Craig Hallworth and Senior VP Operations and General Manager Robert Winton, who will provide updates on the company's Gunnison and JCM projects in southeast Arizona. The webinar will include a live Q&A session, and a replay will be available to all registrants through Red Cloud's website.
Gunnison Copper Corp (OTCQB: GCUMF) has initiated high-value-add (HVA) work programs at its Gunnison Copper Project in Arizona. The fully funded programs, expected to take 3-6 months, include several key initiatives:
1. Gravel By-Product Revenue: Potential to generate $380M from selling 10% of 759 million tons of alluvial gravel at $5/ton
2. Limestone By-Product Revenue: Opportunity to generate $850M by selling 50% of 85 million tons of limestone at $20/ton
3. Mineralized Material Sorting: Preliminary testing showed 100% success in reducing acid consumption by removing 40-50% of unmineralized waste
4. Sulfide Investigation: Testing sulfide mineralization potential with Nuton (Rio Tinto Venture)
5. Permitting: State-level permit amendments for the project are being initiated
Gunnison Copper Corp (OTCQB: GCUMF) has successfully closed its non-brokered private placement, raising C$5.15 million through the issuance of 17,170,916 units at C$0.30 per unit. Each unit includes one common share and half a warrant, with full warrants exercisable at C$0.45 for 24 months.
This funding, combined with a previous US$3 million (C$4.29 million) non-dilutive transaction with Nuton, , brings total proceeds to C$9.44 million. The proceeds will fund the High Value Work Program, including drilling and metallurgical testing for the Gunnison Copper Project's pre-feasibility study.
The company paid finder's fees of 6% in cash (C$304,096) and 6% in finder warrants (1,013,655). The offering was made available to Canadian residents (except Quebec) under the Listed Issuer Financing Exemption, with no resale restrictions under Canadian securities laws.
Gunnison Copper Corp (GCUMF) has provided a construction update for its Johnson Camp Mine (JCM) in southeast Arizona. The company reports that construction activities are progressing on schedule to begin cathode production in Q3 2025. Mining of mineralized material began in January 2025 and is being stockpiled ahead of leach pad completion.
Phase-1 of the leach pad is complete, with phase-2 advancing. The company will install Nuton's processing equipment and begin stacking sulfide and oxide production mineralized material. A modern laboratory for on-site material and process analysis has been constructed and will begin ramping up in April. The leach pad spans approximately 8 million square feet, with dimensions of 1220m by 640m.
The company's HR department is focusing on local hiring to build the Gunnison team. Additionally, Board member Stephen Axcell has retired effective March 20, 2025, after serving since 2018.