| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| King Scott A | President and CEO, Director | 600 SOUTH AIRPORT ROAD, MANSFIELD | Scott A. King BY:/s/Brigette A. Burnell Attorney-in-Fact | 27 Feb 2026 | 0001703109 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GRC | Common Stock | Award | $0 | +6,210 | +8.5% | $0.000000 | 79,695 | 25 Feb 2026 | Direct | F1, F2 |
| transaction | GRC | Common Stock | Award | $0 | +6,167 | +7.7% | $0.000000 | 85,862 | 25 Feb 2026 | Direct | F3 |
| holding | GRC | Common Stock (401-K Plan) | 2,135 | 25 Feb 2026 | By 401-K Trust |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units granted under the Company's equity incentive plans, which vest in annual installments over a three-year vesting period. |
| F2 | Balance reflects 23 shares of common stock acquired under the Company's Employee Stock Purchase Plan between January 1, 2026 and February 25, 2026. |
| F3 | Performance-based shares awarded under the Company's equity incentive plans after achieving specific performance goals over the 2024-2025 performance period, which vest on December 31, 2026. |