144 0001663176 XXXXXXXX LIVE 0001624794 CSW Industrials 001-37454 5420 Lyndon B Johnson Fwy #500 Dallas TX 75240 214-884-3777 Donal Sullivan Officer Common stock Merrill Lynch

2100 Ross Ave Suite 1000 Dallas TX 75201

4136 1246429.06 16686708 12/08/2025 NYSE Common stock 04/01/2025 Employment related - Performance Award CSW Industrials N 4136 12/09/2025 Compensatory payment Y 12/08/2025 Donal Sullivan