Company · CIK 0000874499 · SIC 1311 — Crude Petroleum & Natural Gas · NYSE
GULFPORT ENERGY CORP · GPOR
Insider activity reported against this company. All insider holders · Files at: TUSK. On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 24, 2026 SForm 4 → | Sep 25, 4:53 pm EDT | Timothy J. CuttDirector | 2,500 | $158.98 | $397,450 | 27,013 | −8.47% | |
| Sep 2, 2026 SForm 4 → | Sep 3, 6:12 pm EDT | Matthew WillrathVP & CAO | 325 | $182.69 | $59,374 | 2,130 | −13.2% | |
| Aug 7, 2026 FForm 4 → | Aug 12, 4:55 pm EDT | Bradley Neil SecristSenior Vice President - Land | 132 | $158.45 | $20,915 | 1,900 | — | late |
| Aug 7, 2026 PForm 4 → | Aug 10, 5:03 pm EDT | Domenic J Dell'Osso Jr.President & CEO, Director | 1,600 | $160.61 | $256,976 | 24,349 | +7.03% | |
| Mar 5, 2019 PForm 4 → | Mar 7, 9:20 am EST | David M. WoodPresident & CEO, Director | 10,000 | $8.06 | $80,600 | 360,610 | +2.85% | plan? |
| Feb 27, 2019 FForm 4 → | Feb 28, 7:58 pm EST | Donnie G MooreCOO | 15,166 | $7.76 | $117,688 | 121,977 | — | plan? |
| Feb 26, 2019 AForm 4 → | Feb 28, 7:58 pm EST | Michael SluiterSVP of Reservoir Engineering | 119,993 | — | — | 119,993 | — | plan? |
| Feb 26, 2019 AForm 4 → | Feb 28, 7:57 pm EST | David M. WoodPresident & CEO, Director | 350,610 | — | — | 350,610 | — | plan? |
| Nov 29, 2018 FForm 4 → | Nov 30, 6:02 pm EST | Lester ZitkusSVP, Land | 5,070 | $8.81 | $44,667 | 112,093 | — | plan? |
| Nov 29, 2018 FForm 4 → | Nov 30, 6:01 pm EST | Ty PeckSVP, Midstream & Marketing | 5,070 | $8.81 | $44,667 | 121,922 | — | plan? |
| Nov 29, 2018 FForm 4 → | Nov 30, 6:01 pm EST | Mark MaloneSVP, Operations | 5,070 | $8.81 | $44,667 | 109,322 | — | plan? |
| Nov 29, 2018 FForm 4 → | Nov 30, 6:00 pm EST | Robert Alan JonesSVP, Drilling | 5,070 | $8.81 | $44,667 | 112,402 | — | plan? |
| Nov 29, 2018 FForm 4 → | Nov 30, 6:00 pm EST | Keri CrowellChief Financial Officer | 8,304 | $8.81 | $73,158 | 188,588 | — | plan? |
| Nov 20, 2018 PForm 4 → | Nov 21, 5:49 pm EST | Paul D WestermanDirector | 10,000 | $8.44 | $84,409 | 56,689 | +21.4% | plan? |
| Aug 16, 2018 SForm 4 → | Aug 20, 6:12 pm EDT | Stuart MaierSVP, Geosciences | 2,000 | $11.19 | $22,380 | 117,945 | −1.67% | plan? |
| Jun 19, 2018 SForm 4 → | Jun 21, 6:23 pm EDT | Steve BaldwinVP of Reservoir Engineering | 10,000 | $11.00 | $110,002 | 40,918 | −19.6% | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:38 pm EDT | Paul D WestermanDirector | 11,201 | — | — | 46,689 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:38 pm EDT | Scott E StrellerDirector | 11,201 | — | — | 50,233 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:37 pm EDT | Ben T MorrisDirector | 11,201 | — | — | 32,393 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:37 pm EDT | Charles Douglas JohnsonDirector | 11,201 | — | — | 31,084 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:36 pm EDT | David L HoustonDirector | 11,201 | — | — | 64,267 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:36 pm EDT | Craig GroeschelDirector | 11,201 | — | — | 29,590 | — | plan? |
| May 31, 2018 AForm 4 → | Jun 4, 6:35 pm EDT | Deborah G AdamsDirector | 11,201 | — | — | 14,099 | — | plan? |
| May 29, 2018 PForm 4 → | May 29, 6:05 pm EDT | Paul D WestermanDirector | 10,000 | $10.33 | $103,310 | 35,488 | +39.2% | plan? |
| Apr 30, 2018 AForm 4 → | May 2, 9:47 pm EDT | Michael G MoorePresident & CEO, Director | 403,226 | — | — | 698,675 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:05 pm EDT | Lester ZitkusSVP, Land | 73,645 | — | — | 117,163 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:04 pm EDT | Ty PeckSVP, Midstream & Marketing | 73,645 | — | — | 126,992 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:04 pm EDT | Mark MaloneSVP, Operations | 73,645 | — | — | 114,392 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:03 pm EDT | Stuart MaierSVP, Geosciences | 73,645 | — | — | 119,945 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:02 pm EDT | Robert Alan JonesSVP, Drilling | 73,645 | — | — | 117,472 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:01 pm EDT | Paul K Heerwagen IVSVP, Corp. Dev. & Strategy | 73,645 | — | — | 132,645 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:01 pm EDT | Keri CrowellChief Financial Officer | 115,800 | — | — | 196,892 | — | plan? |
| Apr 18, 2018 AForm 4 → | Apr 20, 7:00 pm EDT | Steve BaldwinVP of Reservoir Engineering | 18,284 | — | — | 50,918 | — | plan? |
| Mar 19, 2018 AForm 4 → | Mar 21, 6:09 pm EDT | Deborah G AdamsDirector | 2,898 | — | — | 2,898 | — | plan? |
| Mar 13, 2018 PForm 4 → | Mar 15, 5:52 pm EDT | Charles Douglas JohnsonDirector | 500 | $10.80 | $5,398 | 19,883 | +2.58% | plan? |
| Mar 13, 2018 PForm 4 → | Mar 15, 5:49 pm EDT | Charles Douglas JohnsonDirector | 500 | $10.80 | $5,398 | 19,883 | +2.58% | plan? |
| Feb 27, 2018 PForm 4 → | Mar 1, 6:34 pm EST | Scott E StrellerDirector | 2,000 | $10.15 | $20,294 | 39,032 | +5.40% | plan? |
| Feb 27, 2018 PForm 4 → | Feb 28, 6:50 pm EST | Paul D WestermanDirector | 10,000 | $10.14 | $101,392 | 25,488 | +64.6% | plan? |
| Feb 19, 2018 AForm 4 → | Feb 21, 7:15 pm EST | Donnie G MooreCOO | 137,143 | — | — | 137,143 | — | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:16 pm EST | Lester ZitkusSVP, Land | 6,266 | $12.16 | $76,218 | 43,518 | −12.6% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:15 pm EST | Michael G MoorePresident & CEO, Director | 118,494 | $12.16 | $1,440,780 | 295,449 | −28.6% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:14 pm EST | Mark MaloneSVP, Operations | 4,700 | $12.16 | $57,164 | 40,747 | −10.3% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:14 pm EST | Stuart MaierSVP, Geosciences | 6,000 | $12.17 | $72,998 | 46,366 | −11.5% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:13 pm EST | Robert Alan JonesSVP, Drilling | 5,700 | $12.15 | $69,273 | 43,827 | −11.5% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:12 pm EST | Craig GroeschelDirector | 7,059 | $12.16 | $85,823 | 18,389 | −27.7% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:11 pm EST | Keri CrowellChief Financial Officer | 16,000 | $12.16 | $194,582 | 81,092 | −16.5% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 19, 7:10 pm EST | Steve BaldwinVP of Reservoir Engineering | 4,000 | $12.17 | $48,666 | 32,634 | −10.9% | plan? |
| Nov 30, 2017 PForm 4 → | Dec 4, 4:17 pm EST | Paul D WestermanDirector | 10,000 | $12.75 | $127,460 | 15,488 | +182% | plan? |
| Nov 3, 2017 AForm 4 → | Nov 6, 6:36 pm EST | Paul D WestermanDirector | 5,488 | — | — | 5,488 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 9, 6:01 pm EDT | Scott E StrellerDirector | 9,608 | — | — | 37,032 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 9, 6:01 pm EDT | Ben T MorrisDirector | 9,608 | — | — | 21,192 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 9, 6:00 pm EDT | Charles Douglas JohnsonDirector | 9,608 | — | — | 19,383 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 9, 5:59 pm EDT | Craig GroeschelDirector | 9,608 | — | — | 25,448 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 9, 5:58 pm EDT | David L HoustonDirector | 9,608 | — | — | 53,066 | — | plan? |
| May 19, 2017 JForm 4 → | May 23, 7:42 pm EDT | Vitruvian II Woodford, LLC +510% Owner | 4,465,380 | — | — | 18,133,872 | — | plan? |
| Feb 27, 2017 AForm 4 → | Mar 1, 8:49 pm EST | Stuart MaierVice President of Geosciences | 32,000 | — | — | 52,366 | — | plan? |
| Feb 27, 2017 AForm 4 → | Mar 1, 8:49 pm EST | Keri CrowellChief Financial Officer | 55,000 | — | — | 97,092 | — | plan? |
| Feb 27, 2017 AForm 4 → | Mar 1, 8:48 pm EST | Michael G MoorePresident & CEO, Director | 187,768 | — | — | 413,943 | — | plan? |
| Feb 27, 2017 AForm 4 → | Mar 1, 8:47 pm EST | Steve BaldwinVP of Reservoir Engineering | 15,000 | — | — | 36,634 | — | plan? |
| Aug 22, 2016 SForm 4 → | Aug 24, 5:35 pm EDT | Steve BaldwinVP of Reservoir Engineering | 566 | $27.00 | $15,282 | 21,634 | −2.55% | plan? |
| Aug 2, 2016 AForm 4 → | Aug 4, 7:59 pm EDT | Keri CrowellChief Accounting Officer | 8,000 | — | — | 42,092 | — | plan? |
| Jun 20, 2016 SForm 4 → | Jun 22, 7:01 pm EDT | Stuart MaierVice President of Geosciences | 10,000 | $33.35 | $333,546 | 20,366 | −32.9% | plan? |
| Jun 15, 2016 SForm 4 → | Jun 17, 6:00 pm EDT | Michael G MoorePresident & CEO, Director | 20,000 | $32.95 | $659,088 | 226,175 | −8.12% | plan? |
| Jun 10, 2016 AForm 4 → | Jun 14, 6:31 pm EDT | Scott E StrellerDirector | 3,824 | — | — | 27,424 | — | plan? |
| Jun 10, 2016 AForm 4 → | Jun 14, 6:30 pm EDT | Ben T MorrisDirector | 3,824 | — | — | 11,584 | — | plan? |
| Jun 10, 2016 AForm 4 → | Jun 14, 6:27 pm EDT | Charles Douglas JohnsonDirector | 3,824 | — | — | 9,775 | — | plan? |
| Jun 10, 2016 AForm 4 → | Jun 14, 6:25 pm EDT | David L HoustonDirector | 3,824 | — | — | 43,458 | — | plan? |
| Jun 10, 2016 AForm 4 → | Jun 14, 6:22 pm EDT | Craig GroeschelDirector | 3,824 | — | — | 15,840 | — | plan? |
| Jun 7, 2016 SForm 4 → | Jun 9, 6:11 pm EDT | Steve BaldwinVP of Reservoir Engineering | 10,000 | $32.00 | $320,000 | 22,200 | −31.1% | plan? |
| Apr 12, 2016 SForm 4 → | Apr 14, 6:02 pm EDT | Keri CrowellChief Accounting Officer | 3,000 | $30.00 | $90,000 | 34,092 | −8.09% | plan? |
| Apr 12, 2016 SForm 4 → | Apr 14, 6:01 pm EDT | Steve BaldwinVP of Reservoir Engineering | 4,000 | $30.00 | $120,000 | 32,200 | −11.0% | plan? |
| Mar 31, 2016 AForm 4 → | Apr 4, 6:28 pm EDT | Michael G MoorePresident & CEO, Director | 85,215 | — | — | 246,175 | — | plan? |
| Mar 31, 2016 AForm 4 → | Apr 4, 6:27 pm EDT | Ross KirtleyChief Operating Officer | 37,569 | — | — | 94,025 | — | plan? |
| Mar 31, 2016 AForm 4 → | Apr 4, 6:26 pm EDT | Aaron GaydosikChief Financial Officer | 34,345 | — | — | 72,879 | — | plan? |
| Mar 23, 2016 SForm 4 → | Mar 24, 6:02 pm EDT | Michael G MoorePresident & CEO, Director | 22,500 | $28.38 | $638,550 | 160,960 | −12.3% | plan? |
| Mar 23, 2016 SForm 4 → | Mar 24, 6:01 pm EDT | Keri CrowellChief Accounting Officer | 3,000 | $28.38 | $85,140 | 37,092 | −7.48% | plan? |
| Mar 10, 2016 AForm 4 → | Mar 14, 8:50 pm EDT | Ross KirtleyChief Operating Officer | 14,830 | — | — | 56,456 | — | plan? |
| Mar 10, 2016 AForm 4 → | Mar 14, 8:49 pm EDT | Michael G MoorePresident & CEO, Director | 40,367 | — | — | 183,460 | — | plan? |
| Mar 10, 2016 AForm 4 → | Mar 14, 8:48 pm EDT | Aaron GaydosikChief Financial Officer | 13,558 | — | — | 38,534 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:09 pm EDT | Scott E StrellerDirector | 3,830 | — | — | 23,600 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:08 pm EDT | Ben T MorrisDirector | 3,830 | — | — | 7,760 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:08 pm EDT | David L HoustonDirector | 3,830 | — | — | 39,634 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:07 pm EDT | Craig GroeschelDirector | 3,830 | — | — | 12,016 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:07 pm EDT | Donald L DillinghamDirector | 3,830 | — | — | 13,986 | — | plan? |
| Sep 10, 2015 AForm 4 → | Sep 14, 6:06 pm EDT | Charles Douglas JohnsonDirector | 2,951 | — | — | 5,951 | — | plan? |
| Aug 7, 2015 AForm 4 → | Aug 11, 5:15 pm EDT | Stuart MaierVice President of Geosciences | 10,000 | — | — | 30,366 | — | plan? |
| Aug 7, 2015 AForm 4 → | Aug 11, 5:14 pm EDT | Steve BaldwinVP of Reservoir Engineering | 5,000 | — | — | 36,200 | — | plan? |
| Jun 19, 2015 SForm 4 → | Jun 19, 5:37 pm EDT | Steve BaldwinVP of Reservoir Engineering | 1,200 | $42.50 | $51,000 | 31,200 | −3.70% | plan? |
| Jun 18, 2015 SForm 4 → | Jun 19, 5:36 pm EDT | Stuart MaierVice President of Geosciences | 10,045 | $42.62 | $428,121 | 20,366 | −33.0% | plan? |
| Jun 18, 2015 SForm 4 → | Jun 19, 5:36 pm EDT | Craig GroeschelDirector | 625 | $43.82 | $27,388 | 8,186 | −7.09% | plan? |
| Jun 11, 2015 PForm 4 → | Jun 12, 5:52 pm EDT | Ben T MorrisDirector | 1,000 | $44.31 | $44,307 | 3,930 | +34.1% | plan? |
| Mar 20, 2015 FForm 4 → | Mar 20, 6:00 pm EDT | Michael G MoorePresident & CEO, Director | 9,000 | $46.51 | $418,555 | 143,093 | — | plan? |
| Mar 18, 2015 SForm 4 → | Mar 20, 6:01 pm EDT | Steve BaldwinVP of Reservoir Engineering | 5,000 | $46.50 | $232,500 | 32,400 | −13.4% | plan? |
| Feb 24, 2015 AForm 4 → | Feb 26, 6:59 pm EST | Aaron GaydosikChief Financial Officer | 24,976 | — | — | 24,976 | — | plan? |
| Feb 24, 2015 AForm 4 → | Feb 26, 6:59 pm EST | Ross KirtleyChief Operating Officer | 23,025 | — | — | 41,626 | — | plan? |
| Feb 24, 2015 AForm 4 → | Feb 26, 6:58 pm EST | Michael G MooreCEO & President, Director | 52,225 | — | — | 152,093 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.
Filed by this entity as an insider elsewhere — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 30, 2018 SForm 4 → | Aug 1, 7:27 pm EDT | MAMMOTH ENERGY SERVICES, INC.TUSK | 118,974 | $38.01 | $4,522,202 | 9,829,548 | −1.20% | plan? |
| Jun 29, 2018 SForm 4 → | Jul 3, 4:22 pm EDT | MAMMOTH ENERGY SERVICES, INC.TUSK | 1,235,600 | $38.01 | $46,965,156 | 9,948,522 | −11.0% | plan? |
| Jun 5, 2017 AForm 5 → | Feb 14, 2018, 8:52 pm EST | MAMMOTH ENERGY SERVICES, INC.TUSK | 2,098,137 | — | — | 11,181,467 | — | plan? |
| Oct 19, 2016 SForm 4 → | Oct 21, 8:38 pm EDT | Mammoth Energy Services, Inc.TUSK | 76,250 | $14.06 | $1,072,266 | 9,080,417 | −0.83% | plan? |
Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.