X0609 4 2026-08-19 0 0001529628 Smart Sand, Inc. SND 0001709934 Young James Douglas false C/O SMART SAND, INC. 1000 FLORAL VALE BOULEVARD, SUITE 225 YARDLEY PA 19067 0 1 0 0 SEE REMARKS 0 Common Stock 2026-08-19 4 A 0 62893 0 A 407851 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. The Reporting Person is Executive Vice President, General Counsel and Secretary of the Issuer. /s/ Lee E. Beckelman as Attorney-in-Fact for James D. Young 2026-08-20