| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Weinrot Daniel J | General Counsel & Secretary | 4235 REDWOOD AVE, LOS ANGELES | /s/ Daniel J Weinrot | 16 Jul 2025 | 0001624457 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SST | Class A Common Stock | Tax liability | $2,159 | -341 | -1.8% | $6.33 | 18,269 | 15 Jul 2025 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Upon the vesting of 670 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 341 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. |
| F2 | Represents the total number of shares held after the Issuer's completion of a 1-for-10 reverse stock split that occurred on June 11, 2025. |
| F3 | Includes 5,145 unvested RSUs. |