| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wischmeier D Patrick | VP, Information Technology | 600 SOUTH AIRPORT ROAD, MANSFIELD | D. Patrick Wischmeier BY:/s/Brigette A. Burnell Attorney-in-Fact | 07 Jul 2025 | 0001674063 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | GRC | Common Stock (Company Stock Plan) | 2,440 | 03 Jul 2025 | Direct | F1 | |||||
| holding | GRC | Common Stock (Dividend Reinvestment Plan) | 244 | 03 Jul 2025 | Direct | F2 | |||||
| holding | GRC | Common Stock | 11,570 | 03 Jul 2025 | Direct | ||||||
| holding | GRC | Common Stock (401-K Plan) | 6,393 | 03 Jul 2025 | By 401-K Trust | F3 | |||||
| holding | GRC | Common Stock | 533 | 03 Jul 2025 | By Spouse | F4 |
| Id | Content |
|---|---|
| F1 | Balance reflects 89 shares of common stock acquired under the Company's Employee Stock Purchase Plan between March 7, 2025 and July 3, 2025. |
| F2 | Balance reflects 51 shares of common stock acquired under the dividend reinvestment feature of the Company's Direct Stock Purchase between March 7, 2025 and July 3, 2025. |
| F3 | Balance reflects 200 shares of common stock acquired under the Company's 401-K Plan between January 1, 2025 and March 31, 2025. |
| F4 | The reporting person acquired beneficial ownership of these shares upon his marriage to the owner of the shares on July 3, 2025. |