Form 4 Filing for FENNEC PHARMACEUTICALS INC.

This filing details transactions made by Rosty Raykov, a director at FENNEC PHARMACEUTICALS INC. (FENC). On April 30, 2026, 2,778 common shares were acquired with no cost, resulting in 116,634 shares held. On May 1, 2026, 15,598 common shares were acquired at $2.45 per share, bringing the total to 132,232 shares. In a separate transaction on the same day, 10,781 common shares were sold at $6.47 per share to cover tax obligations related to option exercises, leaving 121,451 shares. Additionally, 15,598 stock options were exercised (disposed) at a price of $2.45, with 1,571,792 options remaining. Some transactions were executed under a 10b5-1 plan.