Michael Sluiter
First SEC filing: May 7, 2020 · Latest: May 7, 2020
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 | GPOR | A | 1,307 | · | · | 10,338 Direct | +14.47% | Acquired | (price as of 2026-10-02) |
| March 5, 2026 | GPOR | S | 2,055 | $213.10 | $437,920 | 9,031 Direct | -18.54% | Disposed | -27.5% (price as of 2026-10-02) |
| March 3, 2026 | GPOR | F | 894 | $209.13 | $186,962 | 11,086 Direct | -7.46% | Disposed | -26.2% (price as of 2026-10-02) |
| March 2, 2026 | GPOR | S | 9,933 | $210.00 | $2,085,930 | 11,980 Direct | -45.33% | Disposed | -26.5% (price as of 2026-10-02) |
| March 1, 2026 | GPOR | A | 2,397 | · | · | 22,751 Direct | +11.78% | Acquired | (price as of 2026-10-02) |
| March 1, 2026 | GPOR | F | 838 | $208.66 | $174,857 | 21,913 Direct | -3.68% | Disposed | -26.0% (price as of 2026-10-02) |
| Jan. 2, 2026 | GPOR | A | 17,847 | · | · | 28,268 Direct | +171.26% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | GPOR | F | 7,914 | $207.99 | $1,646,033 | 20,354 Direct | -28.00% | Disposed | -25.8% (price as of 2026-10-02) |
| May 14, 2025 | GPOR | S | 2,571 | $198.00 | $509,058 | 10,421 Direct | -19.79% | Disposed | -22.0% (price as of 2026-10-02) |
| March 3, 2025 | GPOR | F | 895 | $169.80 | $151,971 | 12,992 Direct | -6.44% | Disposed | -9.1% (price as of 2026-10-02) |
| March 1, 2025 | GPOR | A | 2,592 | · | · | 14,372 Direct | +22.00% | Acquired | (price as of 2026-10-02) |
| March 1, 2025 | GPOR | F | 485 | $169.80 | $82,353 | 13,887 Direct | -3.37% | Disposed | -9.1% (price as of 2026-10-02) |
| July 21, 2024 | GPOR | F | 1,227 | $157.92 | $193,768 | 11,780 Direct | -9.43% | Disposed | -2.2% (price as of 2026-10-02) |
| May 28, 2024 | GPOR | S | 8,723 | $159.79 | $1,393,848 | 13,007 Direct | -40.14% | Disposed | -3.4% (price as of 2026-10-02) |
| May 24, 2024 | GPOR | S | 5,000 | $159.00 | $795,000 | 21,730 Direct | -18.71% | Disposed | -2.9% (price as of 2026-10-02) |
| May 17, 2024 | GPOR | A | 24,550 | · | · | 37,557 Direct | +188.74% | Acquired | (price as of 2026-10-02) |
| May 17, 2024 | GPOR | F | 10,827 | $158.37 | $1,714,672 | 26,730 Direct | -28.83% | Disposed | -2.5% (price as of 2026-10-02) |
| March 3, 2024 | GPOR | F | 927 | $142.00 | $131,634 | 13,007 Direct | -6.65% | Disposed | 8.7% (price as of 2026-10-02) |
| March 1, 2024 | GPOR | A | 3,099 | · | · | 13,934 Direct | +28.60% | Acquired | (price as of 2026-10-02) |
| Aug. 8, 2023 | GPOR | S | 500 | $106.44 | $53,220 | 10,835 Direct | -4.41% | Disposed | 45.1% (price as of 2026-10-02) |
| Aug. 7, 2023 | GPOR | S | 1,472 | $106.61 | $156,930 | 11,335 Direct | -11.49% | Disposed | 44.8% (price as of 2026-10-02) |
| July 21, 2023 | GPOR | F | 810 | $106.41 | $86,192 | 12,807 Direct | -5.95% | Disposed | 45.1% (price as of 2026-10-02) |
| March 3, 2023 | GPOR | A | 6,082 | · | · | 13,617 Direct | +80.72% | Acquired | (price as of 2026-10-02) |
| July 21, 2022 | GPOR | F | 810 | $84.89 | $68,761 | 7,535 Direct | -9.71% | Disposed | 81.9% (price as of 2026-10-02) |
| July 21, 2021 | GPOR | A | 8,345 | · | · | 8,345 Direct | · | Acquired | (price as of 2026-10-02) |
| May 17, 2021 | GPOR | D | 187,544 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2021 | GPOR | F | 17,059 | $0.09 | $1,535 | 187,544 Direct | -8.34% | Disposed | 171455.6% (price as of 2026-10-02) |
| Aug. 6, 2020 | GPOR | F | 14,459 | $1.00 | $14,459 | 204,603 Direct | -6.60% | Disposed | 15340.0% (price as of 2026-10-02) |
| Aug. 4, 2020 | GPOR | D | 145,386 | · | · | 219,062 Direct | -39.89% | Disposed | (price as of 2026-10-02) |
| March 11, 2020 | GPOR | A | 145,386 | · | · | 381,508 Direct | +61.57% | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2020 | GPOR | F | 17,060 | $1.00 | $17,060 | 219,062 Direct | -7.23% | Disposed | 15340.0% (price as of 2026-10-02) |
| Aug. 6, 2019 | GPOR | A | 116,129 | · | · | 236,122 Direct | +96.78% | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2019 | GPOR | A | 119,993 | · | · | 119,993 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $387,592 | · | $1,083,375 | · | $482,625 | · | $24,787 | $1,978,379 |
| 2022 | $371,470 | · | · | · | $269,892 | · | $26,076 | $667,438 |
| 2021 | $358,621 | $360,000 | $1,146,561 | · | $838,782 | · | $24,582 | $2,458,546 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.