X0609 4 2026-08-19 0 0001529628 Smart Sand, Inc. SND 0001687130 YOUNG WILLIAM JOHN false C/O SMART SAND, INC. 1000 FLORAL VALE BOULEVARD, SUITE 225 YARDLEY PA 19067 0 1 0 0 Chief Operating Officer 0 Common Stock 2026-08-19 4 A 0 62893 0 A 680680 D Represents shares of Restricted Stock granted to the Reporting Person on August 19, 2026 under the Issuer's 2026 Equity Incentive Plan, which vest in four equal annual installments on each of the next four anniversaries of the grant date, subject to the Reporting Person's continued employment with or service to the Issuer through the applicable vesting date. /s/ Lee E. Beckelman as Attorney-in-Fact for William John Young 2026-08-20