| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Burnell Brigette A | EVP, Gen. Counsel & Secretary | 600 SOUTH AIRPORT ROAD, MANSFIELD | /s/Brigette A. Burnell | 05 Mar 2026 | 0001606483 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GRC | Common Stock | Tax liability | -3,566 | -8.1% | $0.000000* | 40,453 | 03 Mar 2026 | Direct | F1, F2, F3 | |
| holding | GRC | Common Stock (401-K Plan) | 368 | 03 Mar 2026 | By 401-K Trust |
| Id | Content |
|---|---|
| F1 | Shares withheld for payment of tax liability on vesting of 11,514 stock units. |
| F2 | Balance includes 6,764 unvested stock units granted under the Company's equity incentive plans. |
| F3 | Balance reflects 9 shares of common stock acquired under the Company's Employee Stock Purchase Plan between February 26, 2026 and March 3, 2026. |