| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Swinbank Joe B | Director | 9 GREENWAY PLAZA, SUITE 110, HOUSTON | /s/ Justin M. Long, attorney-in-fact | 10 Jun 2025 | 0001720919 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEL | Common Stock | Award | $0 | +2,230 | +1.1% | $0.000000 | 208,437 | 06 Jun 2025 | Direct | F1 |
| holding | STEL | Common Stock | 23,273 | 06 Jun 2025 | By Swinbank Family Limited Partnership | F2 | |||||
| holding | STEL | Common Stock | 101,600 | 06 Jun 2025 | By JBS/STS Grandchildren's Trust | F3 |
| Id | Content |
|---|---|
| F1 | Represents restricted shares of Common Stock that will vest on May 1, 2026, subject to continued service as a director of the issuer on such date. |
| F2 | The reporting person controls the general partner of the Swinbank Family Limited Partnership. |
| F3 | The reporting person possess voting power over the shares held by JBS/STS Grandchildren's Trust. |