| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bertolini Mark T | Chief Executive Officer, Director | 75 VARICK STREET, 5TH FLOOR, NEW YORK | /s/ Melissa Curtin, Attorney-in-Fact | 04 Mar 2026 | 0001352552 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSCR | Class A Common Stock | Award | +1,596,877 | +56% | $0.000000* | 4,463,543 | 02 Mar 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The shares represent restricted stock units, which will vest in three equal annual installments beginning on March 2, 2027, subject to the Reporting Person's continued employment or service as the Chief Executive Officer or as a member of the Board of Directors through the applicable vesting date. |
| F2 | Includes shares to be issued in connection with the vesting of one or more restricted stock units. |