| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lyons Christopher Michael | Director | 1885 WEST 2100 SOUTH, SALT LAKE CITY, | /s/ Kevin Ontiveros, by power of attorney | 10 Mar 2026 | 0002117598 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SINT | Common Stock | Purchase | $2,244 | +758 | $2.96 | 758 | 25 Feb 2026 | Direct | ||
| transaction | SINT | Common Stock | Purchase | $21,849 | +7,534 | +994% | $2.90 | 8,292 | 02 Mar 2026 | Direct |