X0609 4 2026-05-29 0 0001624794 CSW INDUSTRIALS, INC. CSW 0001519706 Ash Darron K false 5420 LYNDON B. JOHNSON FWY., SUITE 500 DALLAS TX 75240 1 0 0 0 0 Common Stock 2026-05-29 4 J 0 660.7206 0 D 494.2794 D Common Stock 2026-05-29 4 J 0 660.7206 0 A 660.7206 I By JDA Enterprises, LP Represents a transfer by the reporting person of shares of common stock to JDA Enterprises, LP, a family limited partnership, for estate planning purposes. The reporting person may be deemed to beneficially own securities held by JDA Enterprises, LP through JDA Capital, LLC, the general partner of JDA Enterprises, LP. JDA Capital, LLC is owned 50% by the reporting person and 50% by Jill D. Ash, the reporting person's spouse. /s/ Luke E. Alverson, Attorney-in-Fact for Darron K. Ash 2026-06-01