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Gulfport Energy Corp

GPOR
Exchange
NYSE
Industry
Crude Petroleum & Natural Gas
SEC CIK
0000874499

In the last 90 days, Gulfport Energy Corp insiders filed 0 open-market purchases and 2 sales; 291 institutions reported holding it in 13F filings for Q2 2026, worth $3.58B in total; no superinvestor holds it.

Holders of 5% or more of GPOR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Gulfport Energy Corp, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of GPOR
HolderLatest formStakeChangeFirst filedLatest filingFiling
Silver Point Capital L.P.13D/A14.10%2.61M shares−3.80 ppfrom 17.90%May 27, 202117 filingsMar 4, 2026SEC
BlackRock, Inc.13G/A12.50%2.24M shares–Oct 22, 20243 filingsJul 8, 2026SEC
State Street Corp13G5.50%990.9K shares–Feb 12, 20212 filingsAug 7, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

41 Schedule 13D and 13G filings on Gulfport Energy Corp, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on GPOR
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 7, 20269:45 AM ETState Street Corp13G5.50%990.9K shares–Jun 30, 2026SEC
Jul 8, 202611:12 AM ETBlackRock, Inc.13G/A12.50%2.24M shares–Jun 30, 2026SEC
May 6, 202611:18 AM ETFMR LLCand 1 other13G/A4.90%915.5K shares−1.10 ppfrom 6.00%Below 5%Mar 31, 2026SEC
Mar 27, 20269:31 AM ETVanguard Group Inc13G/A0.00%0 shares−5.29 ppfrom 5.29%Below 5%Mar 13, 2026SEC
Mar 4, 20264:14 PM ETSilver Point Capital L.P.and 2 others13D/A14.10%2.61M shares−3.80 ppfrom 17.90%Mar 2, 2026SEC
Dec 3, 20256:41 PM ETSilver Point Capital L.P.and 2 others13D/A17.90%3.45M shares−1.50 ppfrom 19.40%Dec 1, 2025SEC
Sep 8, 20259:36 PM ETSilver Point Capital L.P.and 2 others13D/A19.40%3.74M shares+0.40 ppfrom 19.00%Sep 4, 2025SEC
Aug 12, 202510:34 AM ETWellington Management Group LLPand 2 others13G/A4.40%783.0K shares−2.30 ppfrom 6.70%Below 5%Jun 30, 2025SEC
May 15, 20254:12 PM ETSilver Point Capital L.P.and 2 others13D/A19.00%3.69M shares−3.80 ppfrom 22.80%May 13, 2025SEC
Apr 30, 202511:11 AM ETVanguard Group Inc13G5.29%947.6K sharesNewMar 31, 2025SEC
Feb 12, 20259:08 AM ETFMR LLCand 1 other13G6.00%1.07M sharesNewDec 31, 2024SEC
Feb 10, 202510:25 AM ETWellington Management Group LLPand 3 others13G/A6.70%1.19M shares–Dec 31, 2024SEC
Jan 15, 20257:06 PM ETSilver Point Capital L.P.and 2 others13D/A22.80%4.38M shares−2.10 ppfrom 24.90%Jan 13, 2025SEC
Dec 20, 20248:00 PM ETSilver Point Capital L.P.and 2 others13D/A24.90%4.81M shares–Dec 19, 2024SEC
Nov 25, 2024Silver Point Capital L.P.13D/AOld format–––SEC
Nov 8, 2024BlackRock, Inc.13GOld format–––SEC
Nov 8, 2024Wellington Management Group LLP13G/AOld format–––SEC
Oct 22, 2024BlackRock, Inc.13GOld format–New–SEC
Sep 23, 2024Silver Point Capital L.P.13D/AOld format–––SEC
Apr 12, 2024Mackay Shields LLC13G/AOld format–––SEC
Mar 21, 2024Silver Point Capital L.P.13D/AOld format–––SEC
Feb 8, 2024Wellington Management Group LLP13GOld format–New–SEC
Jan 11, 2024Mackay Shields LLC13G/AOld format–––SEC
Jan 11, 2024Mackay Shields LLC13G/AOld format–––SEC
Dec 13, 2023Silver Point Capital L.P.13D/AOld format–––SEC
Dec 6, 2023Silver Point Capital L.P.13D/AOld format–––SEC
Nov 8, 2023JPMorgan Chase & Co13G/AOld format–––SEC
Sep 8, 2023Silver Point Capital L.P.13D/AOld format–––SEC
Jun 28, 2023Silver Point Capital L.P.13D/AOld format–––SEC
Jun 23, 2023Silver Point Capital L.P.13D/AOld format–––SEC
Feb 13, 20237:22 PM ETAlliancebernstein L.P.13G/AOld format–––SEC
Jan 23, 2023JPMorgan Chase & Co13G/AOld format–––SEC
Jan 6, 2023Mackay Shields LLC13G/AOld format–––SEC
Feb 14, 20224:25 PM ETAlliancebernstein L.P.13GOld format–New–SEC
Jan 21, 2022JPMorgan Chase & Co13GOld format–New–SEC
Jun 21, 2021Silver Point Capital L.P.13D/AOld format–––SEC
Jun 10, 2021Silver Point Capital L.P.13D/AOld format–––SEC
May 27, 2021Silver Point Capital L.P.13DOld format–New–SEC
May 25, 2021Mackay Shields LLC13GOld format–New–SEC
Feb 16, 2021Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 12, 2021State Street Corp13G/AOld format–––SEC

Form 144: proposed insider sales

29 notices from officers, directors and other affiliates planning to sell Gulfport Energy Corp shares, newest first.

Form 144 notices for GPOR
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Sep 24, 202611:01 AM ETTimothy CuttAffilitate2.50K$397.4KSep 24, 2026J.P. Morgan Securities LLCSEC
Apr 2, 202612:36 PM ETJason MartinezAffiliate400$85.4KApr 2, 2026J.P. Morgan Securities LLCSEC
Mar 24, 202610:48 AM ETLester ZitkusAffiliate1.87K$400.6KMar 24, 2026J.P. Morgan Securities LLCSEC
Mar 5, 20261:47 PM ETMichael SluiterAffiliate2.06K$437.9KMar 5, 2025J.P. Morgan Securities LLCSEC
Mar 5, 20261:08 PM ETPatrick CraineAffiliate2.00K$418.2KMar 5, 2026J.P. Morgan Securities LLCSEC
Mar 4, 20261:14 PM ETTimothy CuttAffilitate2.50K$522.8KMar 4, 2026J.P. Morgan Securities LLCSEC
Mar 2, 20268:43 PM ETSilver Point Capital, L.P.Director · 10% stockholder759.7K$158.5MMar 2, 2026J.P. Morgan Securities LLCSEC
Mar 2, 20263:49 PM ETMichael SluiterAffiliate9.93K$2.09MMar 2, 2026J.P. Morgan Securities LLCSEC
Mar 2, 20263:07 PM ETAmendedTimothy CuttAffiliate5.00K$1.04MMar 2, 2026J.P. Morgan Securities LLCSEC
Mar 2, 20262:52 PM ETAmendedMichael HodgesAffiliate16.8K$3.53MMar 2, 2026J.P. Morgan Securities LLCSEC
Jan 7, 20263:43 PM ETLester ZitkusAffiliate4.75K$881.9KJan 7, 2026J.P. Morgan Securities LLCSEC
Jan 6, 20264:36 PM ETMatthew RuckerAffiliate10.7K$2.00MJan 6, 2026J.P. Morgan Securities LLCSEC
Jan 5, 20261:06 PM ETPatrick K. CraineAffiliate11.9K$2.29MJan 5, 2026J.P. Morgan Securities LLCSEC
Dec 30, 20253:46 PM ETTimothy CuttAffiliate2.50K$536.8KDec 30, 2025J.P. Morgan Securities LLCSEC
Dec 1, 20259:33 PM ETSilver Point Capital, L.P.Director · 10% stockholder244.5K$54.4MDec 1, 2025J.P. Morgan Securities LLCSEC
Nov 12, 20255:15 PM ETTimothy CuttAffiliate2.63K$554.5KNov 11, 2025J.P. Morgan Securities LLCSEC
Nov 12, 20255:15 PM ETDavid WolfAffiliate1.52K$320.7KNov 11, 2025J.P. Morgan Securities LLCSEC
Sep 9, 20253:46 PM ETJason MartinezAffiliate600$102.9KSep 9, 2025J.P. Morgan Securities LLCSEC
Jun 4, 20253:06 PM ETJason MartinezAffiliate2.13K$411.3KJun 4, 2025J.P. Morgan Securities LLCSEC
May 20, 20254:17 PM ETLester ZitkusAffiliate1.91K$374.1KMay 20, 2025J.P. Morgan Securities LLCSEC
May 14, 202512:26 PM ETMichael SluiterAffiliate2.57K$509.1KMay 14, 2025J.P. Morgan Securities LLCSEC
May 13, 20259:13 PM ETSilver Point Capital, L.P.Director · 10% stockholder1.09M$209.0MMay 13, 2025J.P. Morgan Securities LLCSEC
May 12, 20254:17 PM ETPatrick CraineAffiliate5.00K$961.0KMay 12, 2025J.P. Morgan Securities LLCSEC
May 12, 202510:38 AM ETWolf David DDirector2.13K$418.4KMay 12, 2025Charles Schwab Corp.SEC
Jan 13, 20259:15 PM ETSilver Point Capital, L.P.Director · 10% stockholder429.3K$80.7MJan 13, 2025J.P. Morgan Securities LLCSEC

Showing the latest 25. See the GPOR notices from the last 12 months