| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hisey David C | Chief Financial Officer | 1360 POST OAK BLVD., SUITE 100, MC-14-1, HOUSTON | /s/ David Taylor, as attorney in fact for the Reporting Person | 28 Jul 2025 | 0001316682 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STC | Common Stock | Sale | $143,203 | -2,224 | -3.7% | $64.39 | 58,359 | 25 Jul 2025 | Direct |