| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BRADLEY C ALLEN JR | Director | 1360 POST OAK BLVD., SUITE 100, MC-14-1, HOUSTON | /s/ Julie C. Warnock, as attorney in fact for the Reporting Person | 11 Mar 2026 | 0001341775 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STC | Common Stock | Purchase | $38,096 | +583 | +2.9% | $65.34 | 20,826 | 10 Mar 2026 | Direct | |
| transaction | STC | Common Stock | Purchase | $27,249 | +417 | +2% | $65.34 | 21,243 | 10 Mar 2026 | Direct |