| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Blevins Christopher | General Counsel | 1001 MUSTANG DR., GRAPEVINE | /s/ Chris Blevins | 17 Dec 2025 | 0002071214 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBDS | Class A Common Stock | Options Exercise | $0 | +11 | +5.1% | $0.000000 | 225 | 15 Dec 2025 | Direct | F1 |
| transaction | SBDS | Class A Common Stock | Tax liability | $31.8 | -4 | -1.8% | $7.95 | 221 | 15 Dec 2025 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SBDS | Restricted Stock Unit | Options Exercise | $0 | -11 | -34% | $0.000000 | 21 | 15 Dec 2025 | Class A Common Stock | 11 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock. |
| F2 | Represents the number of shares withheld to cover tax withholding obligations in connection with the vesting of RSUs. |
| F3 | 11 RSUs vested on December 15, 2025 and were settled on the transaction date herein. The remaining unvested RSUs will vest in two approximately equal quarterly installments. |