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Development-stage miner Sunshine Silver Mining & Refining prices IPO at the $13.50 low end

June 4, 2026
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Sunshine Silver Mining & Refining, a development-stage silver mining and refining company with a project in Idaho, raised $270 million by offering 20 million shares at $13.50, the low end of the $13.50 to $16.50 range.

Sunshine Silver Mining & Refining owns and is developing the Sunshine Mine and related refining facilities in Kellogg, a historically producing silver mine with byproducts including antimony, copper, and lead. The company is focused on maintaining and modernizing the site in preparation for a planned restart of mining, milling, and refining operations. Operations are currently on care and maintenance, with a restart targeted for 2028.

The Kellogg, ID-based company will trade on the NYSE under the symbol SSMR. Morgan Stanley, Scotia Capital, BMO Capital Markets, Canaccord Genuity, Citi, and RBC Capital Markets acted as joint bookrunners on the deal.