Welcome to our dedicated page for Cosa Resources news (Ticker: COSAF), a resource for investors and traders seeking the latest updates and insights on Cosa Resources stock.
Cosa Resources Corp. (COSAF) generates frequent news as a Canadian uranium exploration company advancing multiple projects in northern Saskatchewan’s Athabasca Basin region. Company updates often center on exploration programs, joint venture activity, and technical results from key uranium projects such as Murphy Lake North, Darby, Orbit, and Astro.
Investors following COSAF news can expect detailed announcements on drilling campaigns at the Murphy Lake North and Darby joint ventures with Denison Mines, including results from the Hurricane and Cyclone trends and identification of priority drill targets. Releases also describe work programs at 100% owned projects like Orbit, where Cosa has expanded its land position to cover coincident radon, helium, and hydrogen anomalies and electromagnetic conductors, and at Astro, where ZTEM surveying has outlined extensive conductive strike length considered prospective for uranium mineralization.
Cosa’s news flow additionally covers corporate developments such as strategic collaborations, option agreements with partners like Global Uranium Corporation, stock option grants, and marketing or investor relations initiatives. The company also reports on appointments to its leadership and advisory team and on Denison’s participation as Cosa’s largest shareholder and joint venture partner.
This news page aggregates these disclosures so readers can track Cosa’s exploration progress, joint venture decisions, and technical milestones across its Athabasca Basin uranium portfolio. For those monitoring COSAF, recurring themes in the news include drill program starts and results, geophysical survey findings, project expansions, and updates on collaborative work with Denison Mines and other partners.
Cosa Resources (TSXV: COSA; OTCQB: COSAF) and Denison Mines (TSX: DML; NYSE: DNN) have begun winter 2026 drilling on the Darby joint venture, with Murphy Lake North (MLN) to follow. Cosa operates both projects and holds a 70% interest, Denison holds 30%.
Planned work includes ~2,500 metres at Darby to test 2025 relogging targets and ~1,200 metres at MLN to fill a 1,200‑metre lake-access drilling gap along the Cyclone trend.
Cosa Resources (TSXV: COSA / OTCQB: COSAF) invites investors to visit Booth #117 at the Vancouver Resource Investment Conference (VRIC) on Jan 25–26, 2026 at Vancouver Convention Centre West (1055 Canada Place).
The company, focused on eastern Athabasca uranium exploration and operating multiple joint ventures with Denison Mines, will participate among an event featuring ~120 speakers, over 5,000 industry professionals, and a marketplace of ~300 investment opportunities. The invitation highlights networking, keynote sessions, and exhibits across precious metals, energy, and critical minerals.
Contact: Keith Bodnarchuk, President and CEO; info@cosaresources.ca; cosaresources.ca.
Cosa (TSX-V: COSA / OTCQB: COSAF) and Denison (TSX: DML / NYSE: DNN) announced winter 2026 drill programs at the Darby and Murphy Lake North (MLN) joint-venture projects in the eastern Athabasca Basin, near Cigar Lake and Hurricane. Cosa (operator, 70%) and Denison (30%) plan ~2,500 metres at Darby and ~1,200 metres at MLN to test historical anomalous uranium in lower sandstone and graphitic basement faults. Denison will participate in funding 2026 MLN exploration to maintain its 30% interest. Camp construction is underway with Darby drilling expected to start before end of January and MLN in March.
Cosa Resources (TSXV: COSA / OTCQB: COSAF) promoted Justin Rodko to VP, Corporate Development and issued 1,960,000 common shares to largest shareholder and joint‑venture partner Denison Mines under a November 26, 2024 acquisition agreement.
The Deferred Consideration Shares were issued at a deemed price of $0.3891 per share and are subject to a statutory hold period of four months and one day. Approximately C$1,487,364 of deferred consideration remains payable via future share issuance. Denison's beneficial ownership rose to 20,990,864 shares (18.26%) on a partially diluted basis.
Cosa Resources (OTCQB: COSAF) and Denison Mines approved the 2026 exploration program for the Darby and Murphy Lake North (MLN) joint-venture projects in the eastern Athabasca Basin.
Key facts: Cosa operates and holds 70% interest in each JV; Denison holds 30%. The company closed an oversubscribed C$7.5 million private placement. Planned work in 2026 includes four drilling campaigns (winter and summer at Darby and MLN) and property-scale DC resistivity surveying at MLN to prioritize targets. Drilling will follow up historical anomalous holes at Darby and strong alteration/graphitic faulting at MLN. Mobilization begins early 2026; Darby drilling scheduled to start late January.
Cosa Resources (OTCQB:COSAF, TSXV:COSA) will present at Red Cloud's Fall Mining Showcase 2025 in Toronto on November 4-5, 2025.
The company, an eastern Athabasca-focused uranium explorer operating multiple joint ventures with Denison Mines, said President and CEO Keith Bodnarchuk will present on November 5 at 2:00 PM ET at the Sheraton Centre Toronto Hotel. Shareholders and investors are invited to attend the in-person conference to hear updates on the company’s latest developments.
Registration and the event agenda are available at https://redcloudfs.com/fallminingshowcase2025/.
Cosa Resources (TSXV: COSA; OTCQB: COSAF) appointed David Cates, President and CEO of Denison Mines (NYSE: DNN), as Strategic Advisor on October 29, 2025. Cosa holds a 70% interest and operates multiple joint ventures with Denison at Murphy Lake North, Darby, and Packrat.
The appointment follows a transformative property acquisition earlier in 2025 and precedes a planned winter 2026 exploration program at Darby and Murphy Lake North.
Cosa Resources (TSXV: COSA / OTCQB: COSAF) identified multiple high‑priority, drill‑ready targets at the Darby uranium project in the eastern Athabasca Basin, 10 km west of Cigar Lake. Cosa operates the joint venture and holds 70% (Denison 30%).
Priority targets are on the Delta and Charlie trends after relogging 31 historical holes; notable intercepts include DB‑27 (52 m anomalous sandstone; 0.13% U3O8 over 0.3 m in basement) and DB‑09 (42 m continuous anomalous basal sandstone). Winter 2026 drilling plans and budgets are being finalized with Denison.
Cosa Resources (OTCQB: COSAF) has expanded its 100% owned Orbit Project in Saskatchewan's Athabasca Basin region through strategic land acquisition. The project, located 21 kilometers south of Cameco's Key Lake Mill, now covers over 15,000 hectares of uranium exploration territory.
The expansion includes areas with coincident radon, helium, and hydrogen anomalies identified through remote sensing. Two significant target areas were identified: ORS-1 (1,000 x 1,000 metres) and ORS-2 (750 x 600 metres). Recent staking has added 3 kilometres of drill-ready conductive strike length. The project benefits from having no sandstone cover and proximity to essential infrastructure including highways, powerlines, and permanent camp facilities.
Cosa Resources (OTCQB:COSAF) announced its participation in the Metals Investor Forum (MIF) in Vancouver on September 26-27, 2025. CEO Keith Bodnarchuk will present on September 26th at 2:40 PM local time, discussing the company's exploration progress and drilling results at the Murphy Lake North uranium project, a 70/30 joint venture with Denison Mines.
Additionally, the company has engaged Machai Capital for a 3-month digital marketing campaign starting September 2025, with a total compensation of C$150,000. The campaign will include comprehensive digital marketing services, subject to TSX Venture Exchange approval.
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