| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Emery Richard Dingley III | SVP, GC, CCO & Corp Sec | 6901 ROCKLEDGE DRIVE, SUITE 800, BETHESDA | Richard Emery, Attorney-in-Fact | 2025-10-14 | 0002089192 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | LEU | Restricted Stock Units | Oct 6, 2025 | Class A Common Stock | 281 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | The RSUs vest on March 4, 2027, provided that Mr. Emery remains actively employed by the Company. |
| F2 | Vested shares will be delivered to the reporting person as soon as administratively practicable following vesting. |
| F3 | Each RSU presents a contingent right to receive one share of the Company's Class A Common Stock. |