| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GPX | Common Stock | Tax liability | -$1.17K | -68 | -0.12% | $17.25 | 56.2K | May 24, 2021 | Direct | F1 | 
| holding | GPX | Common Stock | 2.79K | May 24, 2021 | GP 401(k) Plan | F2 | 
| Id | Content | 
|---|---|
| F1 | Shares surrendered to satisfy tax withholding obligations on recently vested shares issued with respect to previously reported restricted stock units awarded under the 2011 Stock Incentive Plan. | 
| F2 | Shares held in GP 401(k) Retirement Savings Plan. |