| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| KNOWLING ROBERT E JR | Director | 11720 PLAZA AMERICA DRIVE, 9TH FLOOR, RESTON | /s/ John C. Grothaus, Attorney-in-fact | 24 Sep 2025 | 0001207632 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | LRN | Common Stock | 2.45K | 16 Sep 2025 | Direct |