{"transactions":[{"id":2287813,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-04-29T17:03:02.000Z","date":"2022-04-14","kind":"other","acquired":true,"shares":146.777,"price":41.7,"value":6120.6009,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":31321.651,"source":{"system":"sec-edgar","filing":"0001415889-22-004378","document":"form4-04292022_050422.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000141588922004378/form4-04292022_050422.xml","form_type":"4"}},{"id":2287812,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-04-29T17:03:02.000Z","date":"2022-03-30","kind":"other","acquired":true,"shares":50.219,"price":42.44,"value":2131.29436,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":31174.874,"source":{"system":"sec-edgar","filing":"0001415889-22-004378","document":"form4-04292022_050422.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000141588922004378/form4-04292022_050422.xml","form_type":"4"}},{"id":2318742,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-03-24T16:31:17.000Z","date":"2022-03-15","kind":"other","acquired":true,"shares":148.638,"price":40.89,"value":6077.80782,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":31124.655,"source":{"system":"sec-edgar","filing":"0001415889-22-003319","document":"form4-03242022_010358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000141588922003319/form4-03242022_010358.xml","form_type":"4"}},{"id":2360199,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-03-02T16:42:07.000Z","date":"2022-02-15","kind":"other","acquired":true,"shares":141.295,"price":42.8,"value":6047.426,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30976.017,"source":{"system":"sec-edgar","filing":"0001415889-22-002138","document":"form4-03022022_010351.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000141588922002138/form4-03022022_010351.xml","form_type":"4"}},{"id":2425087,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-26T16:23:09.000Z","date":"2022-01-14","kind":"other","acquired":true,"shares":136.496,"price":44.09,"value":6018.10864,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30834.722,"source":{"system":"sec-edgar","filing":"0001593968-22-000312","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396822000312/primary_01.xml","form_type":"4"}},{"id":2433612,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-18T16:16:03.000Z","date":"2021-12-13","kind":"gift","acquired":false,"shares":1568,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":54938.3438,"source":{"system":"sec-edgar","filing":"0001593968-22-000224","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396822000224/primary_01.xml","form_type":"4"}},{"id":2433611,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-18T16:16:03.000Z","date":"2021-12-30","kind":"other","acquired":true,"shares":62.606,"price":44.61,"value":2792.85366,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30698.226,"source":{"system":"sec-edgar","filing":"0001593968-22-000224","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396822000224/primary_01.xml","form_type":"4"}},{"id":2433610,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-18T16:16:03.000Z","date":"2021-12-15","kind":"other","acquired":true,"shares":135.984,"price":42.92,"value":5836.43328,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30635.62,"source":{"system":"sec-edgar","filing":"0001593968-22-000224","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396822000224/primary_01.xml","form_type":"4"}},{"id":2497591,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T18:24:37.000Z","date":"2021-11-15","kind":"other","acquired":true,"shares":127.184,"price":45.68,"value":5809.76512,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30499.636,"source":{"system":"sec-edgar","filing":"0001593968-21-002450","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821002450/primary_01.xml","form_type":"4"}},{"id":2530541,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-11-01T16:16:09.000Z","date":"2021-10-15","kind":"other","acquired":true,"shares":135.71,"price":42.6,"value":5781.246,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30372.452,"source":{"system":"sec-edgar","filing":"0001593968-21-002316","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821002316/primary_01.xml","form_type":"4"}},{"id":2557631,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-09-28T16:38:23.000Z","date":"2021-09-15","kind":"other","acquired":true,"shares":134.676,"price":41.7,"value":5615.9892,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30236.742,"source":{"system":"sec-edgar","filing":"0001593968-21-002177","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821002177/primary_01.xml","form_type":"4"}},{"id":2590752,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-25T16:38:30.000Z","date":"2021-08-13","kind":"other","acquired":true,"shares":269.4993,"price":42.78,"value":11529.180054,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":56506.3438,"source":{"system":"sec-edgar","filing":"0001593968-21-002022","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821002022/primary_01.xml","form_type":"4"}},{"id":2590751,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-25T16:38:30.000Z","date":"2021-08-13","kind":"other","acquired":true,"shares":130.559,"price":42.81,"value":5589.23079,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":30102.066,"source":{"system":"sec-edgar","filing":"0001593968-21-002022","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821002022/primary_01.xml","form_type":"4"}},{"id":2622956,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-28T18:24:11.000Z","date":"2021-07-15","kind":"other","acquired":true,"shares":277.3104,"price":41.37,"value":11472.331248,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":56236.8445,"source":{"system":"sec-edgar","filing":"0001593968-21-001904","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001904/primary_01.xml","form_type":"4"}},{"id":2622955,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-28T18:24:11.000Z","date":"2021-07-15","kind":"other","acquired":true,"shares":134.599,"price":41.32,"value":5561.63068,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":29971.507,"source":{"system":"sec-edgar","filing":"0001593968-21-001904","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001904/primary_01.xml","form_type":"4"}},{"id":2653274,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-28T16:40:30.000Z","date":"2021-06-15","kind":"other","acquired":true,"shares":271.8241,"price":42,"value":11416.6122,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":55959.5341,"source":{"system":"sec-edgar","filing":"0001593968-21-001711","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001711/primary_01.xml","form_type":"4"}},{"id":2653273,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-28T16:40:30.000Z","date":"2021-06-15","kind":"other","acquired":true,"shares":132.688,"price":41.71,"value":5534.41648,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":29836.908,"source":{"system":"sec-edgar","filing":"0001593968-21-001711","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001711/primary_01.xml","form_type":"4"}},{"id":2698710,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-24T17:09:25.000Z","date":"2021-05-17","kind":"gift","acquired":false,"shares":511,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares gifted to family trusts for the benefit of children."}],"balance_after":55687.71,"source":{"system":"sec-edgar","filing":"0001593968-21-001428","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001428/primary_01.xml","form_type":"4"}},{"id":2698709,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-24T17:09:25.000Z","date":"2021-05-14","kind":"other","acquired":true,"shares":283.802,"price":39.49,"value":11207.34098,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":56198.71,"source":{"system":"sec-edgar","filing":"0001593968-21-001428","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001428/primary_01.xml","form_type":"4"}},{"id":2698708,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-24T17:09:25.000Z","date":"2021-05-14","kind":"other","acquired":true,"shares":126.933,"price":40.54,"value":5145.86382,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":29704.22,"source":{"system":"sec-edgar","filing":"0001593968-21-001428","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001428/primary_01.xml","form_type":"4"}},{"id":2726996,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T20:37:56.000Z","date":"2021-05-03","kind":"grant","acquired":true,"shares":1768.451,"price":42.41,"value":75000.00691,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares issued under the Main Street Capital Corporation Deferred Compensation Plan."}],"balance_after":30825.288,"source":{"system":"sec-edgar","filing":"0001593968-21-001231","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001231/primary_01.xml","form_type":"4"}},{"id":2726995,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T20:37:56.000Z","date":"2021-05-03","kind":"grant","acquired":true,"shares":707,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan."}],"balance_after":29056.837,"source":{"system":"sec-edgar","filing":"0001593968-21-001231","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001231/primary_01.xml","form_type":"4"}},{"id":2737104,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-04-28T16:44:14.000Z","date":"2021-04-15","kind":"other","acquired":true,"shares":268.6002,"price":41.52,"value":11152.280304,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":54666.908,"source":{"system":"sec-edgar","filing":"0001593968-21-001169","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001169/primary_01.xml","form_type":"4"}},{"id":2737103,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-04-28T16:44:14.000Z","date":"2021-04-15","kind":"other","acquired":true,"shares":122.07,"price":41.95,"value":5120.8365,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":28349.837,"source":{"system":"sec-edgar","filing":"0001593968-21-001169","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001169/primary_01.xml","form_type":"4"}},{"id":2770455,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-03-26T18:56:39.000Z","date":"2021-03-15","kind":"other","acquired":true,"shares":288.9565,"price":38.39,"value":11093.040035,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":54398.3078,"source":{"system":"sec-edgar","filing":"0001593968-21-001019","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001019/primary_01.xml","form_type":"4"}},{"id":2770454,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-03-26T18:56:39.000Z","date":"2021-03-15","kind":"other","acquired":true,"shares":129.494,"price":39.34,"value":5094.29396,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":28227.767,"source":{"system":"sec-edgar","filing":"0001593968-21-001019","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821001019/primary_01.xml","form_type":"4"}},{"id":2829456,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-02-26T16:42:16.000Z","date":"2021-02-12","kind":"other","acquired":true,"shares":321.5841,"price":34.29,"value":11027.118789,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":54109.3513,"source":{"system":"sec-edgar","filing":"0001593968-21-000661","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821000661/primary_01.xml","form_type":"4"}},{"id":2829455,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-02-26T16:42:16.000Z","date":"2021-02-12","kind":"other","acquired":true,"shares":147.043,"price":34.44,"value":5064.16092,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":28098.273,"source":{"system":"sec-edgar","filing":"0001593968-21-000661","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821000661/primary_01.xml","form_type":"4"}},{"id":2888459,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-02-01T16:47:40.000Z","date":"2021-01-15","kind":"other","acquired":true,"shares":340.0807,"price":32.22,"value":10957.400154,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":53787.7672,"source":{"system":"sec-edgar","filing":"0001593968-21-000280","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821000280/primary_01.xml","form_type":"4"}},{"id":2888458,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-02-01T16:47:40.000Z","date":"2021-01-15","kind":"other","acquired":true,"shares":155.653,"price":32.33,"value":5032.26149,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27951.23,"source":{"system":"sec-edgar","filing":"0001593968-21-000280","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396821000280/primary_01.xml","form_type":"4"}},{"id":2930070,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-29T16:31:42.000Z","date":"2020-12-15","kind":"other","acquired":true,"shares":360.8838,"price":31.5,"value":11367.8397,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":53447.6865,"source":{"system":"sec-edgar","filing":"0001593968-20-002413","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002413/primary_01.xml","form_type":"4"}},{"id":2930069,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-29T16:31:42.000Z","date":"2020-12-14","kind":"gift","acquired":false,"shares":2363,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":53086.8027,"source":{"system":"sec-edgar","filing":"0001593968-20-002413","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002413/primary_01.xml","form_type":"4"}},{"id":2930068,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-29T16:31:42.000Z","date":"2020-12-15","kind":"other","acquired":true,"shares":156.743,"price":31.9,"value":5000.1017,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27795.577,"source":{"system":"sec-edgar","filing":"0001593968-20-002413","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002413/primary_01.xml","form_type":"4"}},{"id":2960505,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-02T16:45:31.000Z","date":"2020-11-13","kind":"other","acquired":true,"shares":367.9508,"price":30.69,"value":11292.410052,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":55449.8027,"source":{"system":"sec-edgar","filing":"0001593968-20-002266","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002266/primary_01.xml","form_type":"4"}},{"id":2960504,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-02T16:45:31.000Z","date":"2020-11-13","kind":"other","acquired":true,"shares":160.389,"price":30.97,"value":4967.24733,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27638.834,"source":{"system":"sec-edgar","filing":"0001593968-20-002266","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002266/primary_01.xml","form_type":"4"}},{"id":2998044,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-10-29T17:01:31.000Z","date":"2020-10-15","kind":"other","acquired":true,"shares":369.4555,"price":30.36,"value":11216.66898,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":55081.8519,"source":{"system":"sec-edgar","filing":"0001593968-20-002105","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002105/primary_01.xml","form_type":"4"}},{"id":2998043,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-10-29T17:01:31.000Z","date":"2020-10-15","kind":"other","acquired":true,"shares":165.326,"price":29.84,"value":4933.32784,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27478.445,"source":{"system":"sec-edgar","filing":"0001593968-20-002105","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820002105/primary_01.xml","form_type":"4"}},{"id":3022864,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-24T16:55:45.000Z","date":"2020-09-15","kind":"other","acquired":true,"shares":363.8821,"price":30.62,"value":11142.069902,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":54712.3964,"source":{"system":"sec-edgar","filing":"0001593968-20-001931","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001931/primary_01.xml","form_type":"4"}},{"id":3022863,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-24T16:55:45.000Z","date":"2020-09-15","kind":"other","acquired":true,"shares":159.733,"price":30.68,"value":4900.60844,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27313.119,"source":{"system":"sec-edgar","filing":"0001593968-20-001931","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001931/primary_01.xml","form_type":"4"}},{"id":3047551,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-08-25T17:35:30.000Z","date":"2020-08-14","kind":"other","acquired":true,"shares":337.383,"price":32.82,"value":11072.91006,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":54348.5143,"source":{"system":"sec-edgar","filing":"0001593968-20-001787","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001787/primary_01.xml","form_type":"4"}},{"id":3047550,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-08-25T17:35:30.000Z","date":"2020-08-14","kind":"other","acquired":true,"shares":148.48,"price":32.8,"value":4870.144,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27153.386,"source":{"system":"sec-edgar","filing":"0001593968-20-001787","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001787/primary_01.xml","form_type":"4"}},{"id":3076165,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-24T16:51:21.000Z","date":"2020-07-15","kind":"other","acquired":true,"shares":364.4202,"price":30.18,"value":10998.201636,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":54011.1313,"source":{"system":"sec-edgar","filing":"0001593968-20-001666","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001666/primary_01.xml","form_type":"4"}},{"id":3076164,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-24T16:51:21.000Z","date":"2020-07-15","kind":"other","acquired":true,"shares":154.731,"price":31.27,"value":4838.43837,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27004.906,"source":{"system":"sec-edgar","filing":"0001593968-20-001666","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001666/primary_01.xml","form_type":"4"}},{"id":3098402,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-26T16:53:18.000Z","date":"2020-06-15","kind":"other","acquired":true,"shares":325.3112,"price":33.13,"value":10777.560056,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":53646.7111,"source":{"system":"sec-edgar","filing":"0001593968-20-001523","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001523/primary_01.xml","form_type":"4"}},{"id":3098401,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-26T16:53:18.000Z","date":"2020-06-15","kind":"other","acquired":true,"shares":145.408,"price":33.07,"value":4808.64256,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":26850.175,"source":{"system":"sec-edgar","filing":"0001593968-20-001523","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001523/primary_01.xml","form_type":"4"}},{"id":3130470,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-29T17:18:28.000Z","date":"2020-05-15","kind":"other","acquired":true,"shares":392.5538,"price":27.25,"value":10697.09105,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":52570.3999,"source":{"system":"sec-edgar","filing":"0001593968-20-001283","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001283/primary_01.xml","form_type":"4"}},{"id":3130469,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-29T17:18:28.000Z","date":"2020-05-15","kind":"other","acquired":true,"shares":144.175,"price":28.71,"value":4139.26425,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":27455.767,"source":{"system":"sec-edgar","filing":"0001593968-20-001283","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001283/primary_01.xml","form_type":"4"}},{"id":3159341,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-06T17:15:09.000Z","date":"2020-05-04","kind":"grant","acquired":true,"shares":3121.099,"price":24.03,"value":75000.00897,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares issued under the Main Street Capital Corporation Deferred Compensation Plan."}],"balance_after":27311.592,"source":{"system":"sec-edgar","filing":"0001593968-20-001115","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001115/primary_01.xml","form_type":"4"}},{"id":3159340,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-06T17:15:09.000Z","date":"2020-05-04","kind":"grant","acquired":true,"shares":1248,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan."}],"balance_after":24190.493,"source":{"system":"sec-edgar","filing":"0001593968-20-001115","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001115/primary_01.xml","form_type":"4"}},{"id":3169007,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-04-27T06:20:21.000Z","date":"2020-04-15","kind":"other","acquired":true,"shares":390.6242,"price":26.13,"value":10207.010346,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":52177.8461,"source":{"system":"sec-edgar","filing":"0001593968-20-001046","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001046/primary_01.xml","form_type":"4"}},{"id":3169006,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-04-27T06:20:21.000Z","date":"2020-04-15","kind":"other","acquired":true,"shares":165.67,"price":24.78,"value":4105.3026,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22942.493,"source":{"system":"sec-edgar","filing":"0001593968-20-001046","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820001046/primary_01.xml","form_type":"4"}},{"id":3195191,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T16:19:59.000Z","date":"2020-03-23","kind":"purchase","acquired":true,"shares":2000,"price":15.55,"value":31100.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":51787.2219,"source":{"system":"sec-edgar","filing":"0001593968-20-000901","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000901/primary_01.xml","form_type":"4"}},{"id":3195193,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T16:08:53.000Z","date":"2020-03-13","kind":"other","acquired":true,"shares":381.9272,"price":26.52,"value":10128.709344,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49787.2219,"source":{"system":"sec-edgar","filing":"0001593968-20-000900","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000900/primary_01.xml","form_type":"4"}},{"id":3195192,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-25T16:08:53.000Z","date":"2020-03-13","kind":"other","acquired":true,"shares":144.629,"price":28.18,"value":4075.64522,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22776.823,"source":{"system":"sec-edgar","filing":"0001593968-20-000900","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000900/primary_01.xml","form_type":"4"}},{"id":3241055,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-02-28T16:24:02.000Z","date":"2020-02-14","kind":"other","acquired":true,"shares":224.0618,"price":45,"value":10082.781,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49405.2947,"source":{"system":"sec-edgar","filing":"0001593968-20-000542","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000542/primary_01.xml","form_type":"4"}},{"id":3241054,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-02-28T16:24:02.000Z","date":"2020-02-14","kind":"other","acquired":true,"shares":90.359,"price":44.9,"value":4057.1191,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22632.194,"source":{"system":"sec-edgar","filing":"0001593968-20-000542","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000542/primary_01.xml","form_type":"4"}},{"id":3298684,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-29T16:30:11.000Z","date":"2020-01-15","kind":"other","acquired":true,"shares":227.2176,"price":44.17,"value":10036.201392,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49181.2329,"source":{"system":"sec-edgar","filing":"0001593968-20-000234","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000234/primary_01.xml","form_type":"4"}},{"id":3298683,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-29T16:30:11.000Z","date":"2020-01-15","kind":"other","acquired":true,"shares":90.868,"price":44.57,"value":4049.98676,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22541.835,"source":{"system":"sec-edgar","filing":"0001593968-20-000234","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000234/primary_01.xml","form_type":"4"}},{"id":3318179,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-06T16:22:34.000Z","date":"2019-12-26","kind":"other","acquired":true,"shares":268.258,"price":43.56,"value":11685.31848,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48954.0153,"source":{"system":"sec-edgar","filing":"0001593968-20-000103","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000103/primary_01.xml","form_type":"4"}},{"id":3318178,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-06T16:22:34.000Z","date":"2019-12-26","kind":"other","acquired":true,"shares":107.65,"price":43.68,"value":4702.152,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22450.967,"source":{"system":"sec-edgar","filing":"0001593968-20-000103","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396820000103/primary_01.xml","form_type":"4"}},{"id":3332582,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-23T16:21:04.000Z","date":"2019-12-11","kind":"other","acquired":true,"shares":237.2812,"price":43.25,"value":10262.4119,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48685.7573,"source":{"system":"sec-edgar","filing":"0001593968-19-002354","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002354/primary_01.xml","form_type":"4"}},{"id":3332581,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-23T16:21:04.000Z","date":"2019-12-09","kind":"gift","acquired":false,"shares":1609,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48448.4761,"source":{"system":"sec-edgar","filing":"0001593968-19-002354","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002354/primary_01.xml","form_type":"4"}},{"id":3332580,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-23T16:21:04.000Z","date":"2019-12-11","kind":"other","acquired":true,"shares":92.321,"price":43.3,"value":3997.4993,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22343.317,"source":{"system":"sec-edgar","filing":"0001593968-19-002354","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002354/primary_01.xml","form_type":"4"}},{"id":3361042,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-22T16:53:56.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":238.024,"price":42.91,"value":10213.60984,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":50057.4761,"source":{"system":"sec-edgar","filing":"0001593968-19-002225","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002225/primary_01.xml","form_type":"4"}},{"id":3361041,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-22T16:53:56.000Z","date":"2019-11-15","kind":"other","acquired":true,"shares":92.46,"price":43.03,"value":3978.5538,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22250.996,"source":{"system":"sec-edgar","filing":"0001593968-19-002225","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002225/primary_01.xml","form_type":"4"}},{"id":3387758,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-25T16:51:30.000Z","date":"2019-10-15","kind":"other","acquired":true,"shares":242.5749,"price":41.9,"value":10163.88831,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49819.4521,"source":{"system":"sec-edgar","filing":"0001593968-19-002033","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002033/primary_01.xml","form_type":"4"}},{"id":3387757,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-25T16:51:30.000Z","date":"2019-10-15","kind":"other","acquired":true,"shares":93.955,"price":42.14,"value":3959.2637,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22158.536,"source":{"system":"sec-edgar","filing":"0001593968-19-002033","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819002033/primary_01.xml","form_type":"4"}},{"id":3404356,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-30T16:41:11.000Z","date":"2019-09-16","kind":"other","acquired":true,"shares":233.6256,"price":43.3,"value":10115.98848,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49576.8772,"source":{"system":"sec-edgar","filing":"0001593968-19-001925","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001925/primary_01.xml","form_type":"4"}},{"id":3404355,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-30T16:41:11.000Z","date":"2019-09-16","kind":"other","acquired":true,"shares":90.945,"price":43.33,"value":3940.64685,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22064.581,"source":{"system":"sec-edgar","filing":"0001593968-19-001925","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001925/primary_01.xml","form_type":"4"}},{"id":3429168,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-08-26T16:49:02.000Z","date":"2019-08-15","kind":"other","acquired":true,"shares":238.8154,"price":42.3,"value":10101.89142,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49343.2516,"source":{"system":"sec-edgar","filing":"0001593968-19-001805","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001805/primary_01.xml","form_type":"4"}},{"id":3429167,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-08-26T16:49:02.000Z","date":"2019-08-15","kind":"gift","acquired":false,"shares":170,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49104.4362,"source":{"system":"sec-edgar","filing":"0001593968-19-001805","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001805/primary_01.xml","form_type":"4"}},{"id":3429166,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-08-26T16:49:02.000Z","date":"2019-08-15","kind":"other","acquired":true,"shares":92.341,"price":42.47,"value":3921.72227,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":21973.636,"source":{"system":"sec-edgar","filing":"0001593968-19-001805","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001805/primary_01.xml","form_type":"4"}},{"id":3455199,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-26T16:10:53.000Z","date":"2019-07-15","kind":"other","acquired":true,"shares":238.4488,"price":42.16,"value":10053.001408,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49274.4362,"source":{"system":"sec-edgar","filing":"0001593968-19-001660","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001660/primary_01.xml","form_type":"4"}},{"id":3455198,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-26T16:10:53.000Z","date":"2019-07-15","kind":"other","acquired":true,"shares":91.639,"price":42.59,"value":3902.90501,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":21881.295,"source":{"system":"sec-edgar","filing":"0001593968-19-001660","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001660/primary_01.xml","form_type":"4"}},{"id":3467855,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-03T18:41:34.000Z","date":"2019-06-25","kind":"other","acquired":true,"shares":293.3659,"price":41.54,"value":12186.419486,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49035.9874,"source":{"system":"sec-edgar","filing":"0001593968-19-001578","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001578/primary_01.xml","form_type":"4"}},{"id":3467854,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-03T18:41:34.000Z","date":"2019-06-25","kind":"other","acquired":true,"shares":115.162,"price":41.08,"value":4730.85496,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":21789.656,"source":{"system":"sec-edgar","filing":"0001593968-19-001578","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001578/primary_01.xml","form_type":"4"}},{"id":3477994,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-26T16:24:37.000Z","date":"2019-06-14","kind":"other","acquired":true,"shares":236.7387,"price":41.52,"value":9829.390824,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 797 shares previously held directly which were transferred to this account upon vesting under the Non-Employee Director Restricted Stock Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48742.6215,"source":{"system":"sec-edgar","filing":"0001593968-19-001497","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001497/primary_01.xml","form_type":"4"}},{"id":3477993,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-26T16:24:37.000Z","date":"2019-06-14","kind":"other","acquired":true,"shares":90.112,"price":41.8,"value":3766.6816,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":21674.494,"source":{"system":"sec-edgar","filing":"0001593968-19-001497","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001497/primary_01.xml","form_type":"4"}},{"id":3511647,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-24T15:55:11.000Z","date":"2019-05-23","kind":"gift","acquired":false,"shares":1235,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":47708.8828,"source":{"system":"sec-edgar","filing":"0001593968-19-001201","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001201/primary_01.xml","form_type":"4"}},{"id":3511646,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-24T15:55:11.000Z","date":"2019-05-22","kind":"gift","acquired":false,"shares":200,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48943.8828,"source":{"system":"sec-edgar","filing":"0001593968-19-001201","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001201/primary_01.xml","form_type":"4"}},{"id":3511645,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-24T15:55:11.000Z","date":"2019-05-15","kind":"other","acquired":true,"shares":241.627,"price":40.48,"value":9781.06096,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49143.8828,"source":{"system":"sec-edgar","filing":"0001593968-19-001201","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001201/primary_01.xml","form_type":"4"}},{"id":3511644,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-24T15:55:11.000Z","date":"2019-05-15","kind":"other","acquired":true,"shares":83.034,"price":40.64,"value":3374.50176,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":22381.382,"source":{"system":"sec-edgar","filing":"0001593968-19-001201","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001201/primary_01.xml","form_type":"4"}},{"id":3535033,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-08T16:37:01.000Z","date":"2019-05-06","kind":"grant","acquired":true,"shares":1877.817,"price":39.94,"value":75000.01098,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares issued under the Main Street Capital Corporation Deferred Compensation Plan."}],"balance_after":22298.348,"source":{"system":"sec-edgar","filing":"0001593968-19-001067","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001067/primary_01.xml","form_type":"4"}},{"id":3535032,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-08T16:37:01.000Z","date":"2019-05-06","kind":"grant","acquired":true,"shares":751,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares issued under the Main Street Capital Corporation Non-Employee Director Restricted Stock Plan."}],"balance_after":20420.531,"source":{"system":"sec-edgar","filing":"0001593968-19-001067","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819001067/primary_01.xml","form_type":"4"}},{"id":3548618,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-25T16:41:25.000Z","date":"2019-04-15","kind":"other","acquired":true,"shares":253.4611,"price":38.39,"value":9730.371629,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48902.2558,"source":{"system":"sec-edgar","filing":"0001593968-19-000982","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000982/primary_01.xml","form_type":"4"}},{"id":3548617,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-25T16:41:25.000Z","date":"2019-04-15","kind":"other","acquired":true,"shares":87.422,"price":38.4,"value":3357.0048,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19669.531,"source":{"system":"sec-edgar","filing":"0001593968-19-000982","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000982/primary_01.xml","form_type":"4"}},{"id":3576418,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-03-27T16:40:07.000Z","date":"2019-03-15","kind":"other","acquired":true,"shares":246.771,"price":38.25,"value":9438.99075,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48648.7947,"source":{"system":"sec-edgar","filing":"0001593968-19-000854","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000854/primary_01.xml","form_type":"4"}},{"id":3576417,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-03-27T16:40:07.000Z","date":"2019-03-15","kind":"other","acquired":true,"shares":84.718,"price":38.44,"value":3256.55992,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19582.109,"source":{"system":"sec-edgar","filing":"0001593968-19-000854","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000854/primary_01.xml","form_type":"4"}},{"id":3623027,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-03-01T16:13:50.000Z","date":"2019-02-15","kind":"other","acquired":true,"shares":250.8702,"price":37.43,"value":9390.071586,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48402.0237,"source":{"system":"sec-edgar","filing":"0001593968-19-000591","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000591/primary_01.xml","form_type":"4"}},{"id":3623026,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-03-01T16:13:50.000Z","date":"2019-02-15","kind":"other","acquired":true,"shares":86.669,"price":37.38,"value":3239.68722,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19497.391,"source":{"system":"sec-edgar","filing":"0001593968-19-000591","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000591/primary_01.xml","form_type":"4"}},{"id":3689273,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-23T16:55:07.000Z","date":"2019-01-15","kind":"other","acquired":true,"shares":255.9649,"price":36.49,"value":9340.159201,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48151.1535,"source":{"system":"sec-edgar","filing":"0001593968-19-000198","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000198/primary_01.xml","form_type":"4"}},{"id":3689272,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-23T16:55:07.000Z","date":"2019-01-15","kind":"other","acquired":true,"shares":87.676,"price":36.71,"value":3218.58596,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19410.722,"source":{"system":"sec-edgar","filing":"0001593968-19-000198","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000198/primary_01.xml","form_type":"4"}},{"id":3703788,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-04T17:03:37.000Z","date":"2018-12-27","kind":"other","acquired":true,"shares":401.7348,"price":34.09,"value":13695.139332,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":47895.1886,"source":{"system":"sec-edgar","filing":"0001593968-19-000103","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000103/primary_01.xml","form_type":"4"}},{"id":3703787,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-04T17:03:37.000Z","date":"2018-12-27","kind":"gift","acquired":false,"shares":1180,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":47493.4538,"source":{"system":"sec-edgar","filing":"0001593968-19-000103","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000103/primary_01.xml","form_type":"4"}},{"id":3703786,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-04T17:03:37.000Z","date":"2018-12-27","kind":"other","acquired":true,"shares":130.8,"price":34.47,"value":4508.676,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19323.046,"source":{"system":"sec-edgar","filing":"0001593968-19-000103","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396819000103/primary_01.xml","form_type":"4"}},{"id":3715957,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-31T16:09:44.000Z","date":"2018-12-19","kind":"gift","acquired":false,"shares":1124,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person transferred these shares as a gift pursuant to a transaction exempt from Section 16(b) under Rule 16b-5."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":48673.4538,"source":{"system":"sec-edgar","filing":"0001593968-18-001650","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396818001650/primary_01.xml","form_type":"4"}},{"id":3715956,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-31T16:09:44.000Z","date":"2018-12-14","kind":"other","acquired":true,"shares":257.7545,"price":37.48,"value":9660.63866,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49797.4538,"source":{"system":"sec-edgar","filing":"0001593968-18-001650","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396818001650/primary_01.xml","form_type":"4"}},{"id":3715955,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-31T16:09:44.000Z","date":"2018-12-14","kind":"other","acquired":true,"shares":84.881,"price":37.47,"value":3180.49107,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19192.246,"source":{"system":"sec-edgar","filing":"0001593968-18-001650","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396818001650/primary_01.xml","form_type":"4"}},{"id":3750294,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-11-28T16:28:57.000Z","date":"2018-11-15","kind":"other","acquired":true,"shares":252.1375,"price":38.12,"value":9611.4815,"ownership":{"direct":false,"nature":"French Family Ranch Ltd."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"French Family Ranch Ltd is wholly owned by the reporting person and his wife."}],"balance_after":49539.6993,"source":{"system":"sec-edgar","filing":"0001593968-18-001496","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396818001496/primary_01.xml","form_type":"4"}},{"id":3750293,"issuer":{"id":2159,"kind":"organization","name":"Main Street Capital CORP","symbol":"MAIN"},"owners":[{"id":127750,"kind":"person","name":"French Arthur L.","position":1,"cik":"0001414114","reported_name":"French Arthur L.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-11-28T16:28:57.000Z","date":"2018-11-15","kind":"other","acquired":true,"shares":82.472,"price":38.37,"value":3164.45064,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."}],"balance_after":19107.365,"source":{"system":"sec-edgar","filing":"0001593968-18-001496","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1414114/000159396818001496/primary_01.xml","form_type":"4"}}],"next_cursor":"2018-11-28T16:28:57.000000Z,3750293"}