{"transactions":[{"id":2707314,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2021-05-18T21:00:14.000Z","date":"2021-05-14","kind":"grant","acquired":true,"shares":6331,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":71131,"source":{"system":"sec-edgar","filing":"0001209191-21-033565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919121033565/doc4.xml","form_type":"4"}},{"id":2707313,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2021-05-18T21:00:14.000Z","date":"2021-05-14","kind":"grant","acquired":true,"shares":5457,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":64800,"source":{"system":"sec-edgar","filing":"0001209191-21-033565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919121033565/doc4.xml","form_type":"4"}},{"id":2707312,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2021-05-18T21:00:14.000Z","date":"2021-05-14","kind":"tax_withholding","acquired":false,"shares":3764,"price":59.61,"value":224372.04,"ownership":{"direct":true},"balance_after":59343,"source":{"system":"sec-edgar","filing":"0001209191-21-033565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919121033565/doc4.xml","form_type":"4"}},{"id":2811786,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2021-03-04T01:10:52.000Z","date":"2021-03-01","kind":"tax_withholding","acquired":false,"shares":1156,"price":55.88,"value":64597.28,"ownership":{"direct":true},"balance_after":63107,"source":{"system":"sec-edgar","filing":"0001209191-21-017464","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919121017464/doc4.xml","form_type":"4"}},{"id":2884777,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2021-02-02T21:23:10.000Z","date":"2021-01-29","kind":"grant","acquired":true,"shares":4120,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":64263,"source":{"system":"sec-edgar","filing":"0001209191-21-006765","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919121006765/doc4.xml","form_type":"4"}},{"id":2928502,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-12-30T15:03:42.000Z","date":"2020-12-28","kind":"tax_withholding","acquired":false,"shares":2470,"price":40.78,"value":100726.6,"ownership":{"direct":true},"balance_after":60143,"source":{"system":"sec-edgar","filing":"0001209191-20-065433","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120065433/doc4.xml","form_type":"4"}},{"id":2928501,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-12-30T15:03:42.000Z","date":"2020-12-28","kind":"tax_withholding","acquired":false,"shares":1046,"price":40.78,"value":42655.88,"ownership":{"direct":true},"balance_after":62613,"source":{"system":"sec-edgar","filing":"0001209191-20-065433","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120065433/doc4.xml","form_type":"4"}},{"id":3226616,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Employee Stock Option (right to buy)","published_at":"2020-03-04T23:14:40.000Z","date":"2020-03-02","kind":"grant","acquired":true,"shares":91198,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Vests in annual installments of 30,399 shares on March 1, 2021, 30,399 shares on March 1, 2022 and 30,400 shares on March 1, 2023."}],"balance_after":91198,"derivative":{"exercise_price":47.73,"exercise_date":"2021-03-01","expiration_date":"2030-03-01","underlying":"Common Stock","underlying_shares":91198},"source":{"system":"sec-edgar","filing":"0001209191-20-016322","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120016322/doc4.xml","form_type":"4"}},{"id":3226615,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-03-04T23:14:40.000Z","date":"2020-03-02","kind":"grant","acquired":true,"shares":12446,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":63659,"source":{"system":"sec-edgar","filing":"0001209191-20-016322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120016322/doc4.xml","form_type":"4"}},{"id":3226614,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-03-04T23:14:40.000Z","date":"2020-03-02","kind":"tax_withholding","acquired":false,"shares":1235,"price":46.95,"value":57983.25,"ownership":{"direct":true},"balance_after":51213,"source":{"system":"sec-edgar","filing":"0001209191-20-016322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120016322/doc4.xml","form_type":"4"}},{"id":3226613,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-03-04T23:14:40.000Z","date":"2020-03-02","kind":"tax_withholding","acquired":false,"shares":1046,"price":46.95,"value":49109.7,"ownership":{"direct":true},"balance_after":52448,"source":{"system":"sec-edgar","filing":"0001209191-20-016322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120016322/doc4.xml","form_type":"4"}},{"id":3226612,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-03-04T23:14:40.000Z","date":"2020-03-02","kind":"tax_withholding","acquired":false,"shares":1186,"price":46.95,"value":55682.7,"ownership":{"direct":true},"balance_after":53494,"source":{"system":"sec-edgar","filing":"0001209191-20-016322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120016322/doc4.xml","form_type":"4"}},{"id":3298567,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Speedway LLC"}}],"security":"Common Stock","published_at":"2020-01-29T19:07:00.000Z","date":"2020-01-27","kind":"grant","acquired":true,"shares":2926,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":54680,"source":{"system":"sec-edgar","filing":"0001209191-20-005319","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919120005319/doc4.xml","form_type":"4"}},{"id":3610847,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2019-03-05T19:50:38.000Z","date":"2019-03-01","kind":"grant","acquired":true,"shares":53557,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Vests in annual installments of 17,852 shares on March 1, 2020, 17,852 shares on March 1, 2021 and 17,853 shares on March 1, 2022."}],"balance_after":53557,"derivative":{"exercise_price":62.68,"exercise_date":"2020-03-01","expiration_date":"2029-03-01","underlying":"Common Stock","underlying_shares":53557},"source":{"system":"sec-edgar","filing":"0001209191-19-016292","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119016292/doc4.xml","form_type":"4"}},{"id":3610846,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2019-03-05T19:50:38.000Z","date":"2019-03-01","kind":"grant","acquired":true,"shares":8169,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":51754,"source":{"system":"sec-edgar","filing":"0001209191-19-016292","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119016292/doc4.xml","form_type":"4"}},{"id":3610845,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2019-03-05T19:50:38.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1011,"price":62.66,"value":63349.26,"ownership":{"direct":true},"balance_after":43585,"source":{"system":"sec-edgar","filing":"0001209191-19-016292","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119016292/doc4.xml","form_type":"4"}},{"id":3610844,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2019-03-05T19:50:38.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1147,"price":62.66,"value":71871.02,"ownership":{"direct":true},"balance_after":44596,"source":{"system":"sec-edgar","filing":"0001209191-19-016292","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119016292/doc4.xml","form_type":"4"}},{"id":3610843,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2019-03-05T19:50:38.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1206,"price":62.66,"value":75567.96,"ownership":{"direct":true},"balance_after":45743,"source":{"system":"sec-edgar","filing":"0001209191-19-016292","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119016292/doc4.xml","form_type":"4"}},{"id":3610760,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2019-03-05T16:46:55.000Z","date":"2019-03-01","kind":"grant","acquired":true,"shares":9645,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":36846,"source":{"system":"sec-edgar","filing":"0001209191-19-016623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919119016623/doc4.xml","form_type":"4"}},{"id":3610759,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2019-03-05T16:46:55.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1173,"price":33.24,"value":38990.52,"ownership":{"direct":true},"balance_after":27201,"source":{"system":"sec-edgar","filing":"0001209191-19-016623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919119016623/doc4.xml","form_type":"4"}},{"id":3610758,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2019-03-05T16:46:55.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":962,"price":33.24,"value":31976.88,"ownership":{"direct":true},"balance_after":28374,"source":{"system":"sec-edgar","filing":"0001209191-19-016623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919119016623/doc4.xml","form_type":"4"}},{"id":3610757,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2019-03-05T16:46:55.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":1102,"price":33.24,"value":36630.48,"ownership":{"direct":true},"balance_after":29336,"source":{"system":"sec-edgar","filing":"0001209191-19-016623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919119016623/doc4.xml","form_type":"4"}},{"id":3682383,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2019-01-30T22:44:16.000Z","date":"2019-01-28","kind":"grant","acquired":true,"shares":2063,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":46949,"source":{"system":"sec-edgar","filing":"0001209191-19-006032","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919119006032/doc4.xml","form_type":"4"}},{"id":3683518,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2019-01-29T19:41:34.000Z","date":"2019-01-25","kind":"grant","acquired":true,"shares":1045,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":30438,"source":{"system":"sec-edgar","filing":"0001209191-19-005944","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919119005944/doc4.xml","form_type":"4"}},{"id":4013907,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2018-03-05T18:00:16.000Z","date":"2018-03-01","kind":"grant","acquired":true,"shares":38688,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Vests in annual installments of 12,896 shares on March 1, 2019, 12,896 shares on March 1, 2020 and 12,896 shares on March 1, 2021."}],"balance_after":38688,"derivative":{"exercise_price":64.79,"exercise_date":"2019-03-01","expiration_date":"2028-03-01","underlying":"Common Stock","underlying_shares":38688},"source":{"system":"sec-edgar","filing":"0001209191-18-016189","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118016189/doc4.xml","form_type":"4"}},{"id":4013906,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2018-03-05T18:00:16.000Z","date":"2018-03-01","kind":"grant","acquired":true,"shares":6915,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":44886,"source":{"system":"sec-edgar","filing":"0001209191-18-016189","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118016189/doc4.xml","form_type":"4"}},{"id":4013905,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2018-03-05T18:00:16.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":1147,"price":64.86,"value":74394.42,"ownership":{"direct":true},"balance_after":37971,"source":{"system":"sec-edgar","filing":"0001209191-18-016189","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118016189/doc4.xml","form_type":"4"}},{"id":4013904,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2018-03-05T18:00:16.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":1220,"price":64.86,"value":79129.2,"ownership":{"direct":true},"balance_after":39118,"source":{"system":"sec-edgar","filing":"0001209191-18-016189","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118016189/doc4.xml","form_type":"4"}},{"id":4013903,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2018-03-05T18:00:16.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":545,"price":64.86,"value":35348.7,"ownership":{"direct":true},"balance_after":40338,"source":{"system":"sec-edgar","filing":"0001209191-18-016189","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118016189/doc4.xml","form_type":"4"}},{"id":4013809,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2018-03-05T14:12:52.000Z","date":"2018-03-01","kind":"grant","acquired":true,"shares":8026,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":29393,"source":{"system":"sec-edgar","filing":"0001209191-18-016227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919118016227/doc4.xml","form_type":"4"}},{"id":4013808,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2018-03-05T14:12:52.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":962,"price":34.66,"value":33342.92,"ownership":{"direct":true},"balance_after":21367,"source":{"system":"sec-edgar","filing":"0001209191-18-016227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919118016227/doc4.xml","form_type":"4"}},{"id":4013807,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2018-03-05T14:12:52.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":1102,"price":34.66,"value":38195.32,"ownership":{"direct":true},"balance_after":22329,"source":{"system":"sec-edgar","filing":"0001209191-18-016227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919118016227/doc4.xml","form_type":"4"}},{"id":4013806,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2018-03-05T14:12:52.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":321,"price":34.66,"value":11125.86,"ownership":{"direct":true},"balance_after":23431,"source":{"system":"sec-edgar","filing":"0001209191-18-016227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919118016227/doc4.xml","form_type":"4"}},{"id":4078609,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2018-02-02T20:02:04.000Z","date":"2018-01-31","kind":"grant","acquired":true,"shares":1773,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":40883,"source":{"system":"sec-edgar","filing":"0001209191-18-006726","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919118006726/doc4.xml","form_type":"4"}},{"id":4078585,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2018-02-02T15:22:08.000Z","date":"2018-01-31","kind":"grant","acquired":true,"shares":526,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":23752,"source":{"system":"sec-edgar","filing":"0001209191-18-006759","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919118006759/doc4.xml","form_type":"4"}},{"id":4404145,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2017-03-03T20:46:23.000Z","date":"2017-03-01","kind":"grant","acquired":true,"shares":56180,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Vests in annual installments of 18,726 shares on March 1, 2018, 18,727 shares on March 1, 2019 and 18,727 shares on March 1, 2020."}],"balance_after":56180,"derivative":{"exercise_price":50.99,"exercise_date":"2018-03-01","expiration_date":"2027-03-01","underlying":"Common Stock","underlying_shares":56180},"source":{"system":"sec-edgar","filing":"0001209191-17-017356","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117017356/doc4.xml","form_type":"4"}},{"id":4404144,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2017-03-03T20:46:23.000Z","date":"2017-03-01","kind":"grant","acquired":true,"shares":7845,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":39110,"source":{"system":"sec-edgar","filing":"0001209191-17-017356","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117017356/doc4.xml","form_type":"4"}},{"id":4404143,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2017-03-03T20:46:23.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":1431,"price":50.74,"value":72608.94,"ownership":{"direct":true},"balance_after":31265,"source":{"system":"sec-edgar","filing":"0001209191-17-017356","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117017356/doc4.xml","form_type":"4"}},{"id":4404142,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2017-03-03T20:46:23.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":874,"price":50.74,"value":44346.76,"ownership":{"direct":true},"balance_after":32696,"source":{"system":"sec-edgar","filing":"0001209191-17-017356","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117017356/doc4.xml","form_type":"4"}},{"id":4404141,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2017-03-03T20:46:23.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":260,"price":50.74,"value":13192.4,"ownership":{"direct":true},"balance_after":33570,"source":{"system":"sec-edgar","filing":"0001209191-17-017356","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117017356/doc4.xml","form_type":"4"}},{"id":4402571,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-03-03T15:27:40.000Z","date":"2017-03-01","kind":"grant","acquired":true,"shares":6576,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":23226,"source":{"system":"sec-edgar","filing":"0001209191-17-017305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919117017305/doc4.xml","form_type":"4"}},{"id":4402570,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-03-03T15:27:40.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":1168,"price":37.87,"value":44232.16,"ownership":{"direct":true},"balance_after":16650,"source":{"system":"sec-edgar","filing":"0001209191-17-017305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919117017305/doc4.xml","form_type":"4"}},{"id":4402569,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-03-03T15:27:40.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":340,"price":37.87,"value":12875.8,"ownership":{"direct":true},"balance_after":17818,"source":{"system":"sec-edgar","filing":"0001209191-17-017305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919117017305/doc4.xml","form_type":"4"}},{"id":4402568,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-03-03T15:27:40.000Z","date":"2017-03-01","kind":"tax_withholding","acquired":false,"shares":144,"price":37.87,"value":5453.28,"ownership":{"direct":true},"balance_after":18158,"source":{"system":"sec-edgar","filing":"0001209191-17-017305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919117017305/doc4.xml","form_type":"4"}},{"id":4468690,"issuer":{"id":2903,"kind":"organization","name":"Marathon Petroleum Corp"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President and CFO"}}],"security":"Common Stock","published_at":"2017-02-03T14:21:28.000Z","date":"2017-02-01","kind":"grant","acquired":true,"shares":793,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":33830,"source":{"system":"sec-edgar","filing":"0001209191-17-007363","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1510295/000120919117007363/doc4.xml","form_type":"4"}},{"id":4467993,"issuer":{"id":3003,"kind":"organization","name":"MPLX LP"},"owners":[{"id":139284,"kind":"person","name":"Griffith Timothy T.","position":1,"cik":"0001526727","reported_name":"Griffith Timothy T.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units (Limited Partner Interests)","published_at":"2017-02-03T11:28:17.000Z","date":"2017-02-01","kind":"grant","acquired":true,"shares":92,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18302,"source":{"system":"sec-edgar","filing":"0001209191-17-007426","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526727/000120919117007426/doc4.xml","form_type":"4"}}]}