| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WHELAN RONALD P | The Reporting Person is Executive Vice President of Last Mile Solutions of the Issuer. | C/O SMART SAND, INC., 1000 FLORAL VALE BOULEVARD, SUITE 225, YARDLEY | /s/ Lee E. Beckelman as Attorney-in-Fact for Ronald P. Whelan | 03 Mar 2026 | 0001687143 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SND | Common Stock | Award | $0 | +18,587 | +4.1% | $0.000000 | 467,097 | 27 Feb 2026 | Direct | F1 |
| transaction | SND | Common Stock | Award | $0 | +21,874 | +4.7% | $0.000000 | 488,971 | 27 Feb 2026 | Direct | F2 |
| transaction | SND | Common Stock | Tax liability | $60,256 | -11,610 | -2.4% | $5.19 | 477,361 | 27 Feb 2026 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Reflects the number of shares earned in respect of ROIC-based performance award shares originally granted on March 17, 2023. On February 27, 2026, the Issuer confirmed the achievement of the applicable performance metric, which was based on a relative annual Return on Invested Capital (ROIC) goal for the performance period commencing on January 1, 2023 and continuing through December 31, 2025. |
| F2 | Reflects the number of shares earned in respect of free cash flow based performance award shares originally granted on March 17, 2023. On February 27, 2026, the Issuer confirmed the achievement of the applicable performance metric, which was based on a relative annual free cash flow goal for the performance period commencing on January 1, 2023 and continuing through December 31, 2025. |
| F3 | Represents the number of shares withheld for tax purposes upon the vesting of ROIC-based and free cash flow based performance shares originally granted to the Reporting Person on March 17, 2023. |
The Reporting Person is Executive Vice President of Last Mile Solutions of the Issuer.