| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WAITE G THOMAS III | Director | 2303 DULLES STATION BLVD, HERNDON | /s/ Daniel W. Jackson, Attorney-in-Fact | 26 Aug 2025 | 0001256125 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STRA | Common Stock | Sale | $57,183 | -700 | -4.2% | $81.69 | 15,926 | 26 Aug 2025 | Direct |