| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | GRC | Common Stock | 4.67K | Dec 31, 2021 | Direct | F1 | 
| Id | Content | 
|---|---|
| F1 | Includes 4,500 shares acquired through an exempt non-employee Directors' Compensation Plan. |