| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GRUSKY ROBERT R | Director | 2303 DULLES STATION BLVD, HERNDON | /s/ Daniel W. Jackson, Attorney-in-Fact | 12 Dec 2025 | 0001256116 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STRA | Common Stock | Sale | $112,282 | -1,403 | -12% | $80.03 | 9,946 | 11 Dec 2025 | Direct |