| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rucker Matthew | EVP & COO | 713 MARKET DRIVE, OKLAHOMA CITY | /s/ Patrick Craine, Attorney-in-Fact | 06 Jan 2026 | 0001769645 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GPOR | Common Stock | Award | $0 | +19,274 | +149% | $0.000000 | 32,167 | 02 Jan 2026 | Direct | F1 |
| transaction | GPOR | Common Stock | Tax liability | $1,776,651 | -8,542 | -27% | $207.99 | 23,625 | 02 Jan 2026 | Direct | F2 |
| transaction | GPOR | Common Stock | Sale | $173,696 | -934 | -4% | $185.97 | 22,691 | 06 Jan 2026 | Direct | F3 |
| transaction | GPOR | Common Stock | Sale | $1,828,993 | -9,798 | -43% | $186.67 | 12,893 | 06 Jan 2026 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | These securities are performance-based restricted stock units for the performance period from January 1, 2023, to December 31, 2025, that were granted under the issuer's equity incentive plan on March 3, 2023. All these performance-based restricted stock units vested as of January 2, 2026, upon certification by the issuer's compensation committee of the applicable performance conditions on January 2, 2026. |
| F2 | The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 3, 2023, and vested upon certification by the issuer's compensation committee on January 2, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on December 31, 2025. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.42 to $186.39, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.44 to $187.13, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. |