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(\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price per day. These shares were purchased at prices ranging from $46.49 to $46.74, inclusive, on September 19, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12191829,"source":{"system":"sec-edgar","filing":"0001209191-18-051972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051972/doc4.xml","form_type":"4"}},{"id":3812584,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-18","kind":"purchase","acquired":true,"shares":33892,"price":46.78,"value":1585467.76,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12154829,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3812583,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-17","kind":"purchase","acquired":true,"shares":75808,"price":46.47,"value":3522797.76,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12120937,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3812582,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-18T23:48:56.000Z","date":"2018-09-14","kind":"purchase","acquired":true,"shares":40112,"price":46.54,"value":1866812.48,"ownership":{"direct":false,"nature":"See Footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.51 to $46.55, inclusive, on September 14, 2018, from $46.26 to $46.55, inclusive, on September 17, 2018, and from $46.52 to $47.00, inclusive, on September 18, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12045129,"source":{"system":"sec-edgar","filing":"0001209191-18-051582","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118051582/doc4.xml","form_type":"4"}},{"id":3816929,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-13T21:25:29.000Z","date":"2018-09-13","kind":"purchase","acquired":true,"shares":7207,"price":46.8,"value":337287.6,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.58 to $46.60, inclusive, on September 12, 2018, from $46.72 to $46.89, inclusive, on September 13, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":12005017,"source":{"system":"sec-edgar","filing":"0001209191-18-050912","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050912/doc4.xml","form_type":"4"}},{"id":3816928,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-13T21:25:29.000Z","date":"2018-09-12","kind":"purchase","acquired":true,"shares":17310,"price":46.6,"value":806646.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.58 to $46.60, inclusive, on September 12, 2018, from $46.72 to $46.89, inclusive, on September 13, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11997810,"source":{"system":"sec-edgar","filing":"0001209191-18-050912","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050912/doc4.xml","form_type":"4"}},{"id":3819527,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-11T22:57:01.000Z","date":"2018-09-10","kind":"purchase","acquired":true,"shares":40000,"price":46.49,"value":1859600.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.64 to $46.69, inclusive, on September 7, 2018, from $46.44 to $46.55, inclusive, on September 10, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11980500,"source":{"system":"sec-edgar","filing":"0001209191-18-050567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050567/doc4.xml","form_type":"4"}},{"id":3819526,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-11T22:57:01.000Z","date":"2018-09-07","kind":"purchase","acquired":true,"shares":61594,"price":46.67,"value":2874591.98,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.64 to $46.69, inclusive, on September 7, 2018, from $46.44 to $46.55, inclusive, on September 10, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11940500,"source":{"system":"sec-edgar","filing":"0001209191-18-050567","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118050567/doc4.xml","form_type":"4"}},{"id":3823265,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-06T21:49:26.000Z","date":"2018-09-06","kind":"purchase","acquired":true,"shares":76535,"price":46.86,"value":3586430.1,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.73 to $46.95, inclusive, on September 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11878906,"source":{"system":"sec-edgar","filing":"0001209191-18-049934","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049934/doc4.xml","form_type":"4"}},{"id":3827176,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-04T22:27:11.000Z","date":"2018-09-04","kind":"purchase","acquired":true,"shares":56732,"price":46.71,"value":2649951.72,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.67 to $46.75, inclusive, on August 31, 2018 and from $46.55 to $46.90, inclusive, on September 4, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11802371,"source":{"system":"sec-edgar","filing":"0001209191-18-049326","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049326/doc4.xml","form_type":"4"}},{"id":3827175,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-09-04T22:27:11.000Z","date":"2018-08-31","kind":"purchase","acquired":true,"shares":39690,"price":46.72,"value":1854316.8,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.67 to $46.75, inclusive, on August 31, 2018 and from $46.55 to $46.90, inclusive, on September 4, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11745639,"source":{"system":"sec-edgar","filing":"0001209191-18-049326","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118049326/doc4.xml","form_type":"4"}},{"id":3829464,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-30","kind":"purchase","acquired":true,"shares":120815,"price":47.09,"value":5689178.35,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $47.05 to $47.10, inclusive, on August 29, 2018 and from $46.98 to $47.15, inclusive, on August 30, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11705949,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3829463,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-29","kind":"purchase","acquired":true,"shares":56887,"price":47.1,"value":2679377.7,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $47.05 to $47.10, inclusive, on August 29, 2018 and from $46.98 to $47.15, inclusive, on August 30, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11585134,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3829462,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-30T21:55:01.000Z","date":"2018-08-29","kind":"grant","acquired":true,"shares":89537,"price":44.62,"value":3995140.94,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended July 31, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11528247,"source":{"system":"sec-edgar","filing":"0001209191-18-048994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048994/doc4.xml","form_type":"4"}},{"id":3831489,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-28T21:28:19.000Z","date":"2018-08-28","kind":"purchase","acquired":true,"shares":51048,"price":47.17,"value":2407934.16,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.62 to $46.70, inclusive, on August 24, 2018 and from $47.05 to $47.30, inclusive, on August 28, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11438710,"source":{"system":"sec-edgar","filing":"0001209191-18-048710","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048710/doc4.xml","form_type":"4"}},{"id":3831488,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-28T21:28:19.000Z","date":"2018-08-24","kind":"purchase","acquired":true,"shares":58259,"price":46.67,"value":2718947.53,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.62 to $46.70, inclusive, on August 24, 2018 and from $47.05 to $47.30, inclusive, on August 28, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11387662,"source":{"system":"sec-edgar","filing":"0001209191-18-048710","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048710/doc4.xml","form_type":"4"}},{"id":3834892,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-23T22:06:00.000Z","date":"2018-08-23","kind":"purchase","acquired":true,"shares":5100,"price":46.5,"value":237150.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.08 to $46.49, inclusive, on August 22, 2018 and from $46.48 to $46.79, inclusive, on August 23, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11329403,"source":{"system":"sec-edgar","filing":"0001209191-18-048265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048265/doc4.xml","form_type":"4"}},{"id":3834891,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-23T22:06:00.000Z","date":"2018-08-22","kind":"purchase","acquired":true,"shares":25000,"price":46.21,"value":1155250.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $46.08 to $46.49, inclusive, on August 22, 2018 and from $46.48 to $46.79, inclusive, on August 23, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11324303,"source":{"system":"sec-edgar","filing":"0001209191-18-048265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118048265/doc4.xml","form_type":"4"}},{"id":3837165,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-21","kind":"purchase","acquired":true,"shares":45000,"price":46.19,"value":2078550.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11299303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3837164,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-20","kind":"purchase","acquired":true,"shares":7000,"price":45.94,"value":321580.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11254303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3837163,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-21T22:21:42.000Z","date":"2018-08-17","kind":"purchase","acquired":true,"shares":15911,"price":45.77,"value":728246.47,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11247303,"source":{"system":"sec-edgar","filing":"0001209191-18-047837","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047837/doc4.xml","form_type":"4"}},{"id":3841620,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-16T22:31:06.000Z","date":"2018-08-15","kind":"purchase","acquired":true,"shares":65000,"price":44.77,"value":2910050.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.75 to $44.835, inclusive, on August 15, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11231392,"source":{"system":"sec-edgar","filing":"0001209191-18-047178","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118047178/doc4.xml","form_type":"4"}},{"id":3844643,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-14","kind":"purchase","acquired":true,"shares":3650,"price":45.08,"value":164542.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11166392,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3844642,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-13","kind":"purchase","acquired":true,"shares":45000,"price":44.5,"value":2002500.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11162742,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3844641,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-14T22:24:32.000Z","date":"2018-08-10","kind":"purchase","acquired":true,"shares":64692,"price":45.03,"value":2913080.76,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.92 to $45.10, inclusive, on August 10, 2018, from $44.44 to $44.54, inclusive, on August 13, 2018, and from $45.05 to $45.10, inclusive, on August 14, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11117742,"source":{"system":"sec-edgar","filing":"0001209191-18-046674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046674/doc4.xml","form_type":"4"}},{"id":3848447,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-09","kind":"purchase","acquired":true,"shares":5000,"price":46.03,"value":230150.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11053050,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3848446,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-08","kind":"purchase","acquired":true,"shares":29867,"price":45.89,"value":1370596.63,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11048050,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3848445,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-09T21:45:15.000Z","date":"2018-08-07","kind":"purchase","acquired":true,"shares":31656,"price":45.95,"value":1454593.2,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.80 to $46.00, inclusive, on August 7, 2018, from $45.76 to $45.95, inclusive, on August 8, 2018, and from $46.00 to $46.10, inclusive, on August 9, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":11018183,"source":{"system":"sec-edgar","filing":"0001209191-18-046082","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118046082/doc4.xml","form_type":"4"}},{"id":3851848,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-06T21:33:04.000Z","date":"2018-08-06","kind":"purchase","acquired":true,"shares":51000,"price":45.99,"value":2345490.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.77 to $46.00, inclusive, on August 3, 2018 and from $45.90 to $46.00, inclusive, on August 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10986527,"source":{"system":"sec-edgar","filing":"0001209191-18-045580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045580/doc4.xml","form_type":"4"}},{"id":3851847,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-06T21:33:04.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":75000,"price":45.92,"value":3444000.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.77 to $46.00, inclusive, on August 3, 2018 and from $45.90 to $46.00, inclusive, on August 6, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10935527,"source":{"system":"sec-edgar","filing":"0001209191-18-045580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045580/doc4.xml","form_type":"4"}},{"id":3854904,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-02T21:55:30.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":9833,"price":46.53,"value":457529.49,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.71 to $45.15, inclusive, on August 1, 2018, and from $44.98 to $45.98, and $45.99 to $46.63, inclusive, on August 2, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10860527,"source":{"system":"sec-edgar","filing":"0001209191-18-045049","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045049/doc4.xml","form_type":"4"}},{"id":3854903,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-02T21:55:30.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":32089,"price":45.48,"value":1459407.72,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.71 to $45.15, inclusive, on August 1, 2018, and from $44.98 to $45.98, and $45.99 to $46.63, inclusive, on August 2, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10850694,"source":{"system":"sec-edgar","filing":"0001209191-18-045049","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045049/doc4.xml","form_type":"4"}},{"id":3854902,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-08-02T21:55:30.000Z","date":"2018-08-01","kind":"purchase","acquired":true,"shares":10000,"price":44.87,"value":448700.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.71 to $45.15, inclusive, on August 1, 2018, and from $44.98 to $45.98, and $45.99 to $46.63, inclusive, on August 2, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10818605,"source":{"system":"sec-edgar","filing":"0001209191-18-045049","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118045049/doc4.xml","form_type":"4"}},{"id":3857760,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-31T22:54:38.000Z","date":"2018-07-31","kind":"purchase","acquired":true,"shares":36400,"price":45.38,"value":1651832.0,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.55 to $45.80, inclusive, on July 30, 2018 and from $45.38 to $45.40, inclusive, on July 31, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10808605,"source":{"system":"sec-edgar","filing":"0001209191-18-044608","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044608/doc4.xml","form_type":"4"}},{"id":3857759,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-31T22:54:38.000Z","date":"2018-07-30","kind":"purchase","acquired":true,"shares":50000,"price":45.68,"value":2284000.0,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.55 to $45.80, inclusive, on July 30, 2018 and from $45.38 to $45.40, inclusive, on July 31, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10772205,"source":{"system":"sec-edgar","filing":"0001209191-18-044608","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044608/doc4.xml","form_type":"4"}},{"id":3857758,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-31T22:54:38.000Z","date":"2018-07-30","kind":"grant","acquired":true,"shares":91205,"price":41.11,"value":3749437.55,"ownership":{"direct":false,"nature":"See footnote (2)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock issued to the reporting person upon reinvestment of base fees for the month ended June 30, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10722205,"source":{"system":"sec-edgar","filing":"0001209191-18-044608","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044608/doc4.xml","form_type":"4"}},{"id":3860774,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-26T22:06:32.000Z","date":"2018-07-26","kind":"purchase","acquired":true,"shares":14812,"price":44.97,"value":666095.64,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.74 to $45.00, inclusive, on July 24, 2018 and from $44.33 to $44.95, inclusive, on July 25, 2018, and from $44.84 to $45.00, inclusive, on July 26, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10631000,"source":{"system":"sec-edgar","filing":"0001209191-18-044074","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044074/doc4.xml","form_type":"4"}},{"id":3860773,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-26T22:06:32.000Z","date":"2018-07-25","kind":"purchase","acquired":true,"shares":50000,"price":44.76,"value":2238000.0,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.74 to $45.00, inclusive, on July 24, 2018 and from $44.33 to $44.95, inclusive, on July 25, 2018, and from $44.84 to $45.00, inclusive, on July 26, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10616188,"source":{"system":"sec-edgar","filing":"0001209191-18-044074","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044074/doc4.xml","form_type":"4"}},{"id":3860772,"issuer":{"id":130469,"kind":"organization","name":"Macquarie Infrastructure Corp","symbol":"MIC"},"owners":[{"id":97250,"kind":"organization","name":"MACQUARIE GROUP LTD","position":1,"cik":"0001418333","reported_name":"MACQUARIE GROUP LTD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":125167,"kind":"person","name":"Macquarie Infrastructure Management (USA) INC","position":2,"cik":"0001311388","reported_name":"Macquarie Infrastructure Management (USA) INC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.001 per share","published_at":"2018-07-26T22:06:32.000Z","date":"2018-07-24","kind":"purchase","acquired":true,"shares":74487,"price":44.93,"value":3346700.91,"ownership":{"direct":false,"nature":"See footnote (3)"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These purchases were effected by Macquarie Infrastructure Management (USA) Inc. (\"MIMUSA\"), a subsidiary of Macquarie Group Ltd. (\"MGL\"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $44.74 to $45.00, inclusive, on July 24, 2018 and from $44.33 to $44.95, inclusive, on July 25, 2018, and from $44.84 to $45.00, inclusive, on July 26, 2018.  The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange\nCommission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts\nas investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities\nexcept to the extent of its pecuniary interest therein."}],"balance_after":10566188,"source":{"system":"sec-edgar","filing":"0001209191-18-044074","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1418333/000120919118044074/doc4.xml","form_type":"4"}}],"next_cursor":"2018-07-26T22:06:32.000000Z,3860772"}