Denison Mines Stock Price Falls Again as Phoenix Uranium Mine Moves Into Build Phase

Denison Mines shares slipped on both sides of the border Friday: U.S. ADRs changed hands at $3.39, retreating from $3.52 the prior session, and Toronto shares shed 4.1% by 11:21 a.m. EDT. The move followed the board's green light for building the Phoenix uranium mine in Saskatchewan, a decision made less than a month ago.

Denison Mines Corp starts Wheeler North drilling as Phoenix uranium mine build nears

Denison Mines Corp starts Wheeler North drilling as Phoenix uranium mine build nears

Denison Mines Corp kicked off a winter drilling push at the Wheeler North joint venture up in the Athabasca Basin, northern Saskatchewan, with partner Skyharbour Resources announcing Monday that crews are starting with roughly 2,500 metres of diamond drilling at the Fox Lake Trail target. This marks the beginning of a 7,500-metre drill program for the year, covering Fox Lake Trail, Fork, and Sphinx. Denison holds 49% of the property but has the ability to bump that up to 70%. According to Skyharbour, Denison is in charge and picking up the tab for the program, which sits beside its Wheeler River project and is sandwiched between Cameco’s Key Lake and McArthur River sites.
11 March 2026
Denison Mines (DNN) stock dips as partner Cosa maps winter uranium drilling near Cigar Lake

Denison Mines (DNN) stock dips as partner Cosa maps winter uranium drilling near Cigar Lake

Denison Mines Corp shares dipped about 0.3% to $3.68 by mid-morning Wednesday after partner Cosa Resources detailed winter drilling at two uranium exploration JV sites in Canada’s Athabasca Basin. Cosa plans roughly 2,500 metres at Darby and 1,200 metres at Murphy Lake North, where it holds a 70% stake, Denison 30%. “Camp construction is well underway, and we expect drilling to commence at Darby next week,” said Cosa CEO Keith Bodnarchuk. Exploration VP Andy Carmichael added, “We are eager to continue testing large gaps in strike.”
21 January 2026
Denison Mines stock: Phoenix uranium project gets SaskPower grid power as permits loom

Denison Mines stock: Phoenix uranium project gets SaskPower grid power as permits loom

Denison Mines Corp reported Thursday in a U.S. filing that grid power is now hooked up at its planned Phoenix in-situ recovery uranium mine in northern Saskatchewan, thanks to a new high-voltage transmission line installed by SaskPower. Denison’s U.S.-listed shares dipped roughly 0.8% to close at $3.31 on Friday, while the Toronto-listed shares ticked up about 0.2% to finish at C$4.60.
Denison Mines Stock (DNN, DML) News and Forecast for Dec. 20, 2025: Skyharbour JV Deal, Phoenix ISR Permitting, and Analyst Price Targets

Denison Mines Stock (DNN, DML) News and Forecast for Dec. 20, 2025: Skyharbour JV Deal, Phoenix ISR Permitting, and Analyst Price Targets

Dec. 20, 2025 — Denison Mines Corp. heads into the weekend with fresh catalysts on the tape: a newly closed exploration joint-venture restructuring next door to its flagship Wheeler River project, multiple community-benefit agreements aimed at strengthening “social license” in northern Saskatchewan, and a mix of analyst and technical takes that have kept the uranium developer firmly on investors’ radar. Denison Mines Corp.+2Denison Mines Corp.+2
20 December 2025

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