X0508 4/A 2025-08-25 2025-07-28 1 0000914122 Perma-Pipe International Holdings, Inc. PPIH 0001689708 Mansfield David J 25025 INTERSTATE 45 SUITE 200 THE WOODLANDS TX 77380 1 Former President & CEO 0 Common Stock 2025-07-25 4 F 0 6349 24.02 D 270945 D Amending previous Form 4 to show amended tax withholding. /s/ David J. Mansfield 2025-08-27