| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| NANGOLO CHARLOTTE NANGULOSHI | Director | 6608 N. WESTERN AVE, SUITE 466, NICHOLS HILLS | /s/ Udaychandra Devasper, as attorney in fact for Charlotte Nanguloshi Nangolo | 23 Sep 2025 | 0002027948 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SDST | Common Stock | Sale | $2,554 | -942 | -2% | $2.71* | 46,022 | 22 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The share numbers reflected in Table I have been adjusted to take into account a 10-for-1 reverse stock split of the Issuer's common stock that was effected on September 8, 2025. |