X0609 4 2026-09-30 0 0001442236 Quest Resource Holding Corp QRHC 0001701946 Lipstein Robert J false C/O QUEST RESOURCE HOLDING CORPORATION 433 E. LAS COLINAS BOULEVARD, SUITE 675 IRVING TX 75039 1 0 0 0 0 Common Stock 2026-09-30 4 A 0 2573 1.36 A 90838 D These reported securities represent restricted stock units ("RSUs") granted on September 30, 2026 under the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs are scheduled to vest on March 1, 2027. Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 48,500 shares of common stock beneficially owned by the Reporting Person. /s/ Brett W. Johnston, as Attorney-in-Fact 2026-10-02