Osisko Gold Group Inc. filed a Form 6-K on September 30, 2026, attaching an execution version of an indenture dated the same day for $600,000,000 in 9.250% Senior Secured Notes due 2031. The filing also includes a press release related to this financing transaction. This significant debt issuance impacts the company's capital structure and leverage profile. Osisko Gold Group Inc. operates in the gold mining industry.