| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Schlosser Mario | President of Technology & CTO, Director | 75 VARICK STREET, 5TH FLOOR, NEW YORK | /s/ Melissa Curtin, Attorney-in-fact | 2025-09-04 | 0001844320 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSCR | Class A Common Stock | Tax liability | -$398K | -23.9K | -4.55% | $16.66 | 501K | Sep 2, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs"). |
| F2 | Includes shares to be issued in connection with the vesting of one or more restricted stock units. |