| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Larson John P. | President and CEO, Director | 1001 MUSTANG DR., GRAPEVINE | /s/ Chris Blevins, Attorney-in-Fact for John Larson | 13 Nov 2025 | 0001609333 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBDS | Restricted Stock Unit | Award | $0 | +179,218 | $0.000000 | 179,218 | 11 Nov 2025 | Class A Common Stock | 179,218 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock. |
| F2 | The RSUs vested as to 31.25% on the grant date and the remaining RSUs will vest in substantially equal quarterly installments following June 23, 2025 such that all RSUs are vested on the third anniversary of June 23, 2025, subject to the Reporting Person's continued service on the applicable vesting date. The vested RSUs have not yet been settled. |