| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Coppola Brian | Chief Ad Operations Officer | 4235 REDWOOD AVE, LOS ANGELES | /s/ Daniel Weinrot, Attorney-in-Fact for Brian Coppola | 2025-10-17 | 0001906904 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SST | Class A Common Stock | Tax liability | -$2.99K | -377 | -0.56% | $7.94 | 67.1K | Oct 15, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Upon the vesting of 754 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 377 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. |
| F2 | Includes 44,708 unvested RSUs. |