| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Brock Amanda M | Co-Chief Executive Officer, Director | 9651 KATY FREEWAY, SUITE 300, HOUSTON | /s/ Christopher M. Powell, Attorney-in-Fact | 17 Oct 2025 | 0001714868 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | SEI | Class A Common Stock | 12,411 | 16 Oct 2025 | Direct |