X0609 4 2026-08-31 0001211583 FENNEC PHARMACEUTICALS INC. FENC 0002043411 Cioffi Christiana Marie false C/O FENNEC PHARMACEUTICALS, INC. PO BOX 13628, 68 TW ALEXANDER DRIVE RESEARCH TRIANGLE PARK NC 27709 false true false false Chief Strategy Officer 0 Common shares 2026-08-31 4 A 0 156 0 A 24644 D Represents shares released from restriction from shares awarded 3/28/2025. /s/ Christiana Cioffi 2026-08-31