{"entity":{"type":"insider","cik":"0001699266","url":"/insider/0001699266","json_url":"/insider/0001699266.json","name":"Zitkus Lester","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":8,"n_filings":5,"first":"2017-12-19","last":"2026-03-26","span_basis":"filed_date"},"name_variants":[{"name":"Zitkus Lester","source":"filing","n_filings":5,"first_seen":"2017-12-19","last_seen":"2026-03-26"}],"transactions":[{"id":5949095,"accession":"0001699266-26-000006","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001699266-26-000006","line_url":"/filing/0001699266-26-000006#line-1","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1873.0,"shares_display":"1,873","price_per_share":213.9,"price_display":"213.90","price_state":"stated","total_value":400634.7,"total_display":"400,634.70","total_whole":"400,635","shares_owned_after":5948.0,"shares_owned_after_display":"5,948","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-24","filed_date":"2026-03-26","scope":"insider"},{"id":6158364,"accession":"0001699266-26-000004","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001699266-26-000004","line_url":"/filing/0001699266-26-000004","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4745.0,"shares_display":"4,745","price_per_share":185.68760800842992,"price_display":"185.69","price_state":"stated","total_value":881087.7,"total_display":"881,087.70","total_whole":"881,088","shares_owned_after":10127.0,"shares_owned_after_display":"10,127","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-01-07","filed_date":"2026-01-09","scope":"insider","n_lines":3},{"id":5111741,"accession":"0001628280-25-027320","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001628280-25-027320","line_url":"/filing/0001628280-25-027320#line-1","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1914.0,"shares_display":"1,914","price_per_share":195.47,"price_display":"195.47","price_state":"stated","total_value":374129.58,"total_display":"374,129.58","total_whole":"374,130","shares_owned_after":7821.0,"shares_owned_after_display":"7,821","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-05-20","filed_date":"2025-05-22","scope":"insider"},{"id":2325639,"accession":"0001628280-24-024594","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001628280-24-024594","line_url":"/filing/0001628280-24-024594#line-4","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8100.0,"shares_display":"8,100","price_per_share":159.83,"price_display":"159.83","price_state":"stated","total_value":1294623.0,"total_display":"1,294,623.00","total_whole":"1,294,623","shares_owned_after":10088.0,"shares_owned_after_display":"10,088","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-21","filed_date":"2024-05-21","scope":"insider"},{"id":2325635,"accession":"0001628280-24-024594","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001628280-24-024594","line_url":"/filing/0001628280-24-024594#line-3","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3264.0,"shares_display":"3,264","price_per_share":159.96,"price_display":"159.96","price_state":"stated","total_value":522109.44,"total_display":"522,109.44","total_whole":"522,109","shares_owned_after":18188.0,"shares_owned_after_display":"18,188","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-20","filed_date":"2024-05-21","scope":"insider"},{"id":4168273,"accession":"0001209191-17-066528","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-17-066528","line_url":"/filing/0001209191-17-066528#line-1","is_derivative":false,"issuer_cik":"0000874499","issuer_name":"GULFPORT ENERGY CORP","issuer_ticker":"GPOR","issuer_name_source":null,"issuer_url":"/issuer/0000874499","owner_cik":"0001699266","owner_name":"Zitkus Lester","owner_display_name":"Zitkus Lester","owner_url":"/insider/0001699266","role":"Officer (SVP, Land)","role_mark":"O","role_mark_label":"Officer (SVP, Land)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Land","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6266.0,"shares_display":"6,266","price_per_share":12.1637,"price_display":"12.16","price_state":"stated","total_value":76217.7442,"total_display":"76,217.74","total_whole":"76,218","shares_owned_after":43518.0,"shares_owned_after_display":"43,518","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-12-15","filed_date":"2017-12-19","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":8,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":8,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":8},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000874499","name":"GULFPORT ENERGY CORP","url":"/issuer/0000874499","role":"Officer (SVP, Land)","n_filings":5,"first_seen":"2017-12-19","last_seen":"2026-03-26"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001699266","retrieved_at":"2026-08-22T16:55:09+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}