| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| YOUNG CHARLES EDWIN | CEO, Director, 10%+ Owner | C/O SMART SAND, INC., 1000 FLORAL VALE BOULEVARD, SUITE 225, YARDLEY | /s/ Charles Edwin Young | 05 Sep 2025 | 0001687132 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SND | Common Stock | Purchase | $20,091 | +10,630 | +0.74% | $1.89 | 1,449,227 | 03 Sep 2025 | Direct | F1 |
| transaction | SND | Common Stock | Purchase | $16,130 | +8,401 | +0.58% | $1.92 | 1,457,628 | 04 Sep 2025 | Direct | |
| transaction | SND | Common Stock | Purchase | $38,200 | +20,000 | +1.4% | $1.91 | 1,477,628 | 05 Sep 2025 | Direct | F2 |
| holding | SND | Common Stock | 5,842,700 | 03 Sep 2025 | BY LLC | F3 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.88 to $1.89, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. |
| F2 | These shares were purchased in multiple transactions at a price of $1.91. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding each share transaction. |
| F3 | Mr. Young holds 67% of the membership interests in Keystone Cranberry, LLC ("Keystone"), is the sole managing member and has sole voting and investment power over the shares held by Keystone. Mr. Young disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any. |