X0609 4 2026-05-06 false 0001693256 Select Water Solutions, Inc. WTTR 0001759725 Fielder Robin H false 1820 N I-35 GAINESVILLE TX 76240 true false false false false Class A Common Stock 2026-05-06 4 A false 9446.00 0.00 A 70325.00 D Class A Common Stock 2026-05-08 4 S false 27010.00 16.80 D 43315.00 D These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027. This transaction was executed in multiple trades at prices ranging from $16.55 USD to $16.95 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. /s/ Robin H Fielder by Calla J Hackler, as Attorney-in-Fact 2026-05-08