On February 3, 2026, Osisko Development Corp. completed a prospectus offering of 40,607,650 common shares at a price of US$3.54 per common share for aggregate gross proceeds of approximately US$143.8 million, including the exercise in full by the underwriters of their over-allotment option.
The offering was completed through a syndicate of underwriters comprising National Bank Capital Markets, RBC Capital Markets and Cantor, as co-lead underwriters and co-bookrunners, and BMO Capital Markets.
Cassels acted as Canadian counsel for the underwriters.