MONTREAL, Oct. 29, 2025 (GLOBE NEWSWIRE) -- PyroGenesis Inc. (“PyroGenesis”) (TSX: PYR) (OTCQX: PYRGF) (FRA: 8PY1), the leader in ultra-high temperature processes & engineering innovation, and a plasma-based technology provider to heavy industry & defense, announces today that further to its press release dated October 1, 2025, the Company has completed the first tranche of the Second Unit Group of the previously announced non-brokered private placement (the “Private Placement”) by issuing and selling an ag ...