| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Honigblum Gregg R. | Chief Investment Officer, Director | 1885 WEST 2100 SOUTH, SALT LAKE CITY, | /S/ Kevin Ontiveros, by power of attorney | 09 Dec 2025 | 0001408053 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SINT | Common Stock | Purchase | $13,696 | +3,200 | +1.7% | $4.28 | 196,067 | 08 Dec 2025 | Direct | |
| transaction | SINT | Common Stock | Purchase | $21,200 | +5,000 | +2.6% | $4.24 | 201,067 | 08 Dec 2025 | Direct |
(1) Issuance of common shares incident to vesting of Restricted Stock Unit Award.