X0508 4 2026-01-01 0 0001529628 Smart Sand, Inc. SND 0001968347 Green Christopher M. C/O SMART SAND, INC. 1000 FLORAL VALE BOULEVARD, SUITE 225 YARDLEY PA 19067 0 1 0 0 Vice President of Accounting 0 Common Stock, par value $0.001 per share 2026-01-01 4 F 0 1268 4 D 51622 D Represents shares withheld for tax purposes upon the vesting of restricted stock granted to the Reporting Person, the vesting of which is based on the Reporting Person's continued employment with or service to the Issuer on the applicable vesting date. /s/ Lee E. Beckelman as Attorney-in-Fact for Christopher Green 2026-01-05