| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Clarke Robert | Director | 1360 POST OAK BLVD., SUITE 100, MC-14-1, HOUSTON | /s/ Julie C. Warnock, as attorney in fact for the Reporting Person | 20 Feb 2026 | 0001290019 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STC | Common Stock | Gift | $0 | -1,085 | -1.8% | $0.000000 | 58,042 | 20 Feb 2026 | Direct | |
| transaction | STC | Common Stock | Gift | $0 | -543 | -0.94% | $0.000000 | 57,499 | 20 Feb 2026 | Direct | |
| transaction | STC | Common Stock | Gift | $0 | -75 | -0.13% | $0.000000 | 57,424 | 20 Feb 2026 | Direct |