{"transactions":[{"id":4857,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series W Mandatory Redeemable Preferred Shares","published_at":"2026-09-04T21:59:35.000Z","date":"2026-09-01","kind":"other","planned":false,"acquired":false,"shares":60000,"price":25,"value":1500000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These Series W Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-26-004084","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1529735/000090514826004084/form4.xml","form_type":"4"}},{"id":4856,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series W Mandatory Redeemable Preferred Shares","published_at":"2026-09-04T21:59:35.000Z","date":"2026-09-01","kind":"other","planned":false,"acquired":false,"shares":60000,"price":25,"value":1500000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These Series W Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-26-004084","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1529735/000090514826004084/form4.xml","form_type":"4"}},{"id":678627,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":20808,"kind":"person","name":"Walker Carita","position":1,"cik":"0001936132","reported_name":"Walker Carita","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-21T15:58:17.000Z","date":"2026-08-20","kind":"purchase","planned":false,"acquired":true,"shares":3400,"price":14.7015,"value":49985.1,"ownership":{"direct":true},"balance_after":3400,"source":{"system":"sec-edgar","filing":"0001936132-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000193613226000001/primary_doc.xml","form_type":"4"}},{"id":713494,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":31662,"kind":"person","name":"LOGAN RON M JR","position":1,"cik":"0001266094","reported_name":"LOGAN RON M JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-07-07T21:50:13.000Z","date":"2026-04-07","kind":"other","planned":false,"acquired":true,"shares":438,"price":14.2139,"value":6225.6882,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 7, 2026, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This Form 4 shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $14.2139 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":69910,"source":{"system":"sec-edgar","filing":"0001266094-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000126609426000001/primary_doc.xml","form_type":"4"}},{"id":727506,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":35625,"kind":"person","name":"Hennigan Michael J","position":1,"cik":"0001352283","reported_name":"Hennigan Michael J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-24T20:20:44.000Z","date":"2026-06-24","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.61,"value":68050.0,"ownership":{"direct":true},"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001352283-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000135228326000003/primary_doc.xml","form_type":"4"}},{"id":727505,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":35625,"kind":"person","name":"Hennigan Michael J","position":1,"cik":"0001352283","reported_name":"Hennigan Michael J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-24T20:20:44.000Z","date":"2026-06-24","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.53,"value":67650.0,"ownership":{"direct":true},"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001352283-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000135228326000003/primary_doc.xml","form_type":"4"}},{"id":727504,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":35625,"kind":"person","name":"Hennigan Michael J","position":1,"cik":"0001352283","reported_name":"Hennigan Michael J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-24T20:20:44.000Z","date":"2026-06-24","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.58,"value":67900.0,"ownership":{"direct":true},"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001352283-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000135228326000003/primary_doc.xml","form_type":"4"}},{"id":727503,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":35625,"kind":"person","name":"Hennigan Michael J","position":1,"cik":"0001352283","reported_name":"Hennigan Michael J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-24T20:20:44.000Z","date":"2026-06-23","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.6,"value":68000.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001352283-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000135228326000003/primary_doc.xml","form_type":"4"}},{"id":754443,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":41924,"kind":"person","name":"Ladhani Holli C.","position":1,"cik":"0001221455","reported_name":"Ladhani Holli C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T21:05:04.000Z","date":"2026-06-02","kind":"purchase","planned":false,"acquired":true,"shares":3621,"price":13.81,"value":50006.01,"ownership":{"direct":true},"balance_after":7221,"source":{"system":"sec-edgar","filing":"0001221455-26-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000122145526000005/primary_doc.xml","form_type":"4"}},{"id":780992,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":47701,"kind":"person","name":"Parker Austin Colby","position":1,"cik":"0001921778","reported_name":"Parker Austin Colby","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Treasurer"}}],"security":"Common Stock","published_at":"2026-05-13T17:18:59.000Z","date":"2026-05-13","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":13.99,"value":34975.0,"ownership":{"direct":true},"balance_after":14622.89,"source":{"system":"sec-edgar","filing":"0001921778-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1921778/000192177826000002/primary_doc.xml","form_type":"4"}},{"id":800003,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2026-04-27T19:08:25.000Z","date":"2026-04-27","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":13.57,"value":339250.0,"ownership":{"direct":true},"balance_after":1003019,"source":{"system":"sec-edgar","filing":"0001331674-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167426000004/primary_doc.xml","form_type":"4"}},{"id":804633,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51955,"kind":"person","name":"Little Harrison James","position":1,"cik":"0002025837","reported_name":"Little Harrison James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-04-20T18:11:46.000Z","date":"2026-04-17","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.1901,"value":65950.5,"ownership":{"direct":true},"balance_after":20661.884,"source":{"system":"sec-edgar","filing":"0002025837-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2025837/000202583726000002/primary_doc.xml","form_type":"4"}},{"id":812406,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2026-04-08T19:30:49.000Z","date":"2026-04-08","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":13.67,"value":341750.0,"ownership":{"direct":true},"balance_after":978019,"source":{"system":"sec-edgar","filing":"0001331674-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167426000003/primary_doc.xml","form_type":"4"}},{"id":812405,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2026-04-08T19:30:49.000Z","date":"2026-04-07","kind":"other","planned":false,"acquired":true,"shares":16979,"price":14.2139,"value":241337.8081,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 7, 2026, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This transaction shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $14.2139 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":953019,"source":{"system":"sec-edgar","filing":"0001331674-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167426000003/primary_doc.xml","form_type":"4"}},{"id":812893,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53298,"kind":"organization","name":"KAYNE ANDERSON CAPITAL ADVISORS LP","position":1,"cik":"0000949615","reported_name":"KAYNE ANDERSON CAPITAL ADVISORS LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Manager of Adviser"}}],"security":"Common Stock","published_at":"2026-04-08T19:15:27.000Z","date":"2026-04-07","kind":"other","planned":false,"acquired":false,"shares":808748,"price":14.2139,"value":11495463.1972,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 7, 2026, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. The $14.2139 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000949615-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/949615/000094961526000002/primary_doc.xml","form_type":"4"}},{"id":812403,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53235,"kind":"person","name":"O'Neil Michael J","position":1,"cik":"0001638397","reported_name":"O'Neil Michael J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP & Secretary"}}],"security":"Common Stock","published_at":"2026-04-08T19:07:11.000Z","date":"2026-04-07","kind":"other","planned":false,"acquired":true,"shares":6872,"price":14.2139,"value":97677.9208,"ownership":{"direct":false,"nature":"The Michael J. O'Neil, Jr. and Katrina E. Nappa 2018 Trust, dtd 12/5/2018"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 7, 2026, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This transaction shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $14.2139 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":17312,"source":{"system":"sec-edgar","filing":"0001638397-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839726000002/primary_doc.xml","form_type":"4"}},{"id":826275,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2026-03-27T18:54:05.000Z","date":"2026-03-27","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":14.38,"value":359500.0,"ownership":{"direct":true},"balance_after":936040,"source":{"system":"sec-edgar","filing":"0001331674-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167426000002/primary_doc.xml","form_type":"4"}},{"id":828335,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":47701,"kind":"person","name":"Parker Austin Colby","position":1,"cik":"0001921778","reported_name":"Parker Austin Colby","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Treasurer"}}],"security":"Common Stock","published_at":"2026-03-25T21:53:36.000Z","date":"2026-03-25","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":14.32,"value":35800.0,"ownership":{"direct":true},"balance_after":12011,"source":{"system":"sec-edgar","filing":"0001921778-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1921778/000192177826000001/primary_doc.xml","form_type":"4"}},{"id":830696,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2026-03-23T16:23:27.000Z","date":"2026-03-20","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":13.9857,"value":349642.5,"ownership":{"direct":true},"balance_after":911040,"source":{"system":"sec-edgar","filing":"0001331674-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167426000001/primary_doc.xml","form_type":"4"}},{"id":833727,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51955,"kind":"person","name":"Little Harrison James","position":1,"cik":"0002025837","reported_name":"Little Harrison James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-03-19T20:05:30.000Z","date":"2026-03-19","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":14.115,"value":70575.0,"ownership":{"direct":true},"balance_after":15599.133,"source":{"system":"sec-edgar","filing":"0002025837-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2025837/000202583726000001/primary_doc.xml","form_type":"4"}},{"id":884422,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":41924,"kind":"person","name":"Ladhani Holli C.","position":1,"cik":"0001221455","reported_name":"Ladhani Holli C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-24T16:32:54.000Z","date":"2026-02-23","kind":"purchase","planned":false,"acquired":true,"shares":3600,"price":13.89,"value":50004.0,"ownership":{"direct":true},"balance_after":3600,"source":{"system":"sec-edgar","filing":"0001221455-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000122145526000001/primary_doc.xml","form_type":"4"}},{"id":989817,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-11-24T21:27:28.000Z","date":"2025-11-24","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":11.74,"value":293500.0,"ownership":{"direct":true},"balance_after":886040,"source":{"system":"sec-edgar","filing":"0001331674-25-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167425000004/primary_doc.xml","form_type":"4"}},{"id":993607,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-11-19T22:40:05.000Z","date":"2025-11-19","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":11.81,"value":295250.0,"ownership":{"direct":true},"balance_after":861040,"source":{"system":"sec-edgar","filing":"0001331674-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000133167425000003/primary_doc.xml","form_type":"4"}},{"id":1016459,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"4.60% Series BBB Senior Unsecured Notes Due October 15, 2030","published_at":"2025-10-17T20:51:39.000Z","date":"2025-10-15","kind":"purchase","planned":false,"acquired":true,"shares":15000000,"price":15000000,"value":225000000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This price reflects the aggregate principal amount of the 4.60% Series BBB Senior Unsecured Notes Due October 15, 2030 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-25-003613","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825003613/form4.xml","form_type":"4"}},{"id":1016458,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"4.43% Series AAA Senior Unsecured Notes Due October 16, 2028","published_at":"2025-10-17T20:51:39.000Z","date":"2025-10-15","kind":"purchase","planned":false,"acquired":true,"shares":10000000,"price":10000000,"value":100000000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 4.43% Series AAA Senior Unsecured Notes Due October 16, 2028 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-25-003613","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825003613/form4.xml","form_type":"4"}},{"id":1022901,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":33154,"kind":"person","name":"MEARS MICHAEL N","position":1,"cik":"0001188019","reported_name":"MEARS MICHAEL N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-06T19:37:20.000Z","date":"2025-10-06","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":12.2365,"value":122365.0,"ownership":{"direct":true},"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001188019-25-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000118801925000005/primary_doc.xml","form_type":"4"}},{"id":1034761,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":47701,"kind":"person","name":"Parker Austin Colby","position":1,"cik":"0001921778","reported_name":"Parker Austin Colby","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-09-22T20:26:22.000Z","date":"2025-09-22","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":12.175,"value":30437.5,"ownership":{"direct":true},"balance_after":9167.3824,"source":{"system":"sec-edgar","filing":"0001921778-25-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1921778/000192177825000002/primary_doc.xml","form_type":"4"}},{"id":1060132,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-08-20T21:24:50.000Z","date":"2025-08-20","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":12.2,"value":305000.0,"ownership":{"direct":true},"balance_after":836040,"source":{"system":"sec-edgar","filing":"0001638397-25-000027","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000027/primary_doc.xml","form_type":"4"}},{"id":1060123,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53235,"kind":"person","name":"O'Neil Michael J","position":1,"cik":"0001638397","reported_name":"O'Neil Michael J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP & Secretary"}}],"security":"Common Stock","published_at":"2025-08-20T21:20:16.000Z","date":"2025-08-20","kind":"purchase","planned":false,"acquired":true,"shares":1050,"price":12.2,"value":12810.0,"ownership":{"direct":false,"nature":"The Michael J. O'Neil, Jr. and Katrina E. Nappa 2018 Trust, dtd 12/5/2018"},"balance_after":10440,"source":{"system":"sec-edgar","filing":"0001638397-25-000026","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000026/primary_doc.xml","form_type":"4"}},{"id":1068762,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.82% Series TT Senior Unsecured Notes Due August 8, 2025","published_at":"2025-08-13T00:51:57.000Z","date":"2025-08-08","kind":"other","planned":false,"acquired":false,"shares":1692306,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.82% Series TT Senior Unsecured Notes Due August 8, 2025 (\"Series TT Senior Unsecured Notes\") matured on August 8, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.82% Series TT Senior Unsecured Notes Due August 8, 2025 (\"Series TT Senior Unsecured Notes\") matured on August 8, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series TT Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series TT Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-002851","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825002851/form4.xml","form_type":"4"}},{"id":1068761,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.82% Series TT Senior Unsecured Notes Due August 8, 2025","published_at":"2025-08-13T00:51:57.000Z","date":"2025-08-08","kind":"other","planned":false,"acquired":false,"shares":664175,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.82% Series TT Senior Unsecured Notes Due August 8, 2025 (\"Series TT Senior Unsecured Notes\") matured on August 8, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.82% Series TT Senior Unsecured Notes Due August 8, 2025 (\"Series TT Senior Unsecured Notes\") matured on August 8, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series TT Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series TT Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-002851","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825002851/form4.xml","form_type":"4"}},{"id":1083985,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-07-21T21:16:17.000Z","date":"2025-07-21","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":12.31,"value":307750.0,"ownership":{"direct":true},"balance_after":811040,"source":{"system":"sec-edgar","filing":"0001638397-25-000023","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000023/primary_doc.xml","form_type":"4"}},{"id":1089937,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53235,"kind":"person","name":"O'Neil Michael J","position":1,"cik":"0001638397","reported_name":"O'Neil Michael J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP & Secretary"}}],"security":"Common Stock","published_at":"2025-07-09T17:41:21.000Z","date":"2025-07-09","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":12.43,"value":12430.0,"ownership":{"direct":false,"nature":"The Michael J. O'Neil, Jr. and Katrina E. Nappa 2018 Trust, dtd 12/5/2018"},"balance_after":9390,"source":{"system":"sec-edgar","filing":"0001638397-25-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000021/primary_doc.xml","form_type":"4"}},{"id":1100107,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-06-27T18:41:38.000Z","date":"2025-06-27","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":12.5938,"value":314845.0,"ownership":{"direct":true},"balance_after":786040,"source":{"system":"sec-edgar","filing":"0001638397-25-000020","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000020/primary_doc.xml","form_type":"4"}},{"id":1103605,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"1.81% Series QQ Senior Unsecured Notes Due June 19, 2025","published_at":"2025-06-23T20:10:14.000Z","date":"2025-06-19","kind":"other","planned":false,"acquired":false,"shares":2000000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 1.81% Series QQ Senior Unsecured Notes Due June 19, 2025 (\"Series QQ Senior Unsecured Notes\") matured on June 19, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 1.81% Series QQ Senior Unsecured Notes Due June 19, 2025 (\"Series QQ Senior Unsecured Notes\") matured on June 19, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series QQ Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series QQ Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-002213","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825002213/form4.xml","form_type":"4"}},{"id":1103604,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"1.81% Series QQ Senior Unsecured Notes Due June 19, 2025","published_at":"2025-06-23T20:10:14.000Z","date":"2025-06-19","kind":"other","planned":false,"acquired":false,"shares":2000000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 1.81% Series QQ Senior Unsecured Notes Due June 19, 2025 (\"Series QQ Senior Unsecured Notes\") matured on June 19, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 1.81% Series QQ Senior Unsecured Notes Due June 19, 2025 (\"Series QQ Senior Unsecured Notes\") matured on June 19, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series QQ Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series QQ Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-002213","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825002213/form4.xml","form_type":"4"}},{"id":1115297,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51955,"kind":"person","name":"Little Harrison James","position":1,"cik":"0002025837","reported_name":"Little Harrison James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-06-11T20:35:19.000Z","date":"2025-06-11","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":12.3605,"value":61802.5,"ownership":{"direct":true},"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001638397-25-000017","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2025837/000163839725000017/primary_doc.xml","form_type":"4"}},{"id":1169056,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.67% Series GG Senior Unsecured Notes Due April 16, 2025","published_at":"2025-04-18T19:15:26.000Z","date":"2025-04-16","kind":"other","planned":false,"acquired":false,"shares":800000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.67% Series GG Senior Unsecured Notes Due April 16, 2025 (\"Series GG Senior Unsecured Notes\") matured on April 16, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.67% Series GG Senior Unsecured Notes Due April 16, 2025 (\"Series GG Senior Unsecured Notes\") matured on April 16, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series GG Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series GG Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-001255","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825001255/form4.xml","form_type":"4"}},{"id":1169055,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.67% Series GG Senior Unsecured Notes Due April 16, 2025","published_at":"2025-04-18T19:15:26.000Z","date":"2025-04-16","kind":"other","planned":false,"acquired":false,"shares":1883657.66,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.67% Series GG Senior Unsecured Notes Due April 16, 2025 (\"Series GG Senior Unsecured Notes\") matured on April 16, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.67% Series GG Senior Unsecured Notes Due April 16, 2025 (\"Series GG Senior Unsecured Notes\") matured on April 16, 2025, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series GG Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series GG Senior Unsecured Notes were held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-25-001255","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514825001255/form4.xml","form_type":"4"}},{"id":1175764,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":47701,"kind":"person","name":"Parker Austin Colby","position":1,"cik":"0001921778","reported_name":"Parker Austin Colby","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-04-08T17:29:05.000Z","date":"2025-04-08","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":11.1299,"value":22259.8,"ownership":{"direct":true},"balance_after":6454.7423,"source":{"system":"sec-edgar","filing":"0001638397-25-000010","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1921778/000163839725000010/primary_doc.xml","form_type":"4"}},{"id":1176503,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":31662,"kind":"person","name":"LOGAN RON M JR","position":1,"cik":"0001266094","reported_name":"LOGAN RON M JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-04-07T18:33:06.000Z","date":"2025-04-04","kind":"other","planned":false,"acquired":true,"shares":436,"price":12.85,"value":5602.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 4, 2025, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This Form 4 shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $12.85 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":69483,"source":{"system":"sec-edgar","filing":"0001638397-25-000009","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000009/primary_doc.xml","form_type":"4"}},{"id":1176502,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53235,"kind":"person","name":"O'Neil Michael J","position":1,"cik":"0001638397","reported_name":"O'Neil Michael J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP & Secretary"}}],"security":"Common Stock","published_at":"2025-04-07T18:27:21.000Z","date":"2025-04-07","kind":"purchase","planned":false,"acquired":true,"shares":2350,"price":10.59,"value":24886.5,"ownership":{"direct":false,"nature":"The Michael J. O'Neil, Jr. and Katrina E. Nappa 2018 Trust, dtd 12/5/2018"},"balance_after":8390,"source":{"system":"sec-edgar","filing":"0001638397-25-000008","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000008/primary_doc.xml","form_type":"4"}},{"id":1176501,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53235,"kind":"person","name":"O'Neil Michael J","position":1,"cik":"0001638397","reported_name":"O'Neil Michael J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP & Secretary"}}],"security":"Common Stock","published_at":"2025-04-07T18:27:21.000Z","date":"2025-04-04","kind":"other","planned":false,"acquired":true,"shares":6040,"price":12.85,"value":77614.0,"ownership":{"direct":false,"nature":"The Michael J. O'Neil, Jr. and Katrina E. Nappa 2018 Trust, dtd 12/5/2018"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 4, 2025, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This transaction shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $12.85 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":6040,"source":{"system":"sec-edgar","filing":"0001638397-25-000008","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000008/primary_doc.xml","form_type":"4"}},{"id":1177012,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53298,"kind":"organization","name":"KAYNE ANDERSON CAPITAL ADVISORS LP","position":1,"cik":"0000949615","reported_name":"KAYNE ANDERSON CAPITAL ADVISORS LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Manager of Adviser"}}],"security":"Common Stock","published_at":"2025-04-07T18:08:21.000Z","date":"2025-04-04","kind":"other","planned":false,"acquired":false,"shares":805374,"price":12.85,"value":10349055.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 4, 2025, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. The $12.85 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":805373,"source":{"system":"sec-edgar","filing":"0001638397-25-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/949615/000163839725000007/primary_doc.xml","form_type":"4"}},{"id":1176500,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-04-07T18:01:06.000Z","date":"2025-04-04","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":11.41,"value":285250.0,"ownership":{"direct":true},"balance_after":761040,"source":{"system":"sec-edgar","filing":"0001638397-25-000006","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000006/primary_doc.xml","form_type":"4"}},{"id":1176499,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-04-07T18:01:06.000Z","date":"2025-04-04","kind":"other","planned":false,"acquired":true,"shares":15101,"price":12.85,"value":194047.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 4, 2025, Kayne Anderson Capital Advisors, L.P. (\"KACALP\") made an in-kind distribution of KYN shares to limited partners of KACALP. This transaction shows the Reporting Person's shares acquired as a result of this in-kind distribution. The $12.85 price per share for the distribution was calculated on a volume weighted average price for the last 10 trading days of March."}],"balance_after":736040,"source":{"system":"sec-edgar","filing":"0001638397-25-000006","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000006/primary_doc.xml","form_type":"4"}},{"id":1209461,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-03-12T18:58:46.000Z","date":"2025-03-12","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":12.27,"value":245400.0,"ownership":{"direct":true},"balance_after":720939,"source":{"system":"sec-edgar","filing":"0001638397-25-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000005/primary_doc.xml","form_type":"4"}},{"id":1235549,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2025-03-03T19:49:38.000Z","date":"2025-02-28","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":12.6,"value":252000.0,"ownership":{"direct":true},"balance_after":700939,"source":{"system":"sec-edgar","filing":"0001638397-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839725000003/primary_doc.xml","form_type":"4"}},{"id":1300402,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51955,"kind":"person","name":"Little Harrison James","position":1,"cik":"0002025837","reported_name":"Little Harrison James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-01-17T21:37:48.000Z","date":"2025-01-17","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":13.0386,"value":65193.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001638397-25-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2025837/000163839725000001/primary_doc.xml","form_type":"4"}},{"id":1356715,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series V","published_at":"2024-11-21T16:56:09.000Z","date":"2024-09-20","kind":"other","planned":false,"acquired":false,"shares":160000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001085146-24-005995","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514624005995/ownership.xml","form_type":"4"}},{"id":1378774,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.46% Series OO Senior Unsecured Notes Due October 29, 2024","published_at":"2024-10-31T20:06:33.000Z","date":"2024-10-29","kind":"other","planned":false,"acquired":false,"shares":3405781.24,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.46% Series OO Senior Unsecured Notes Due October 29, 2024 (\"Series OO Senior Unsecured Notes\") matured on October 29, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.46% Series OO Senior Unsecured Notes Due October 29, 2024 (\"Series OO Senior Unsecured Notes\") matured on October 29, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series OO Senior Unsecured Notes are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series OO Senior Unsecured Notes are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-24-002881","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002881/form4.xml","form_type":"4"}},{"id":1379147,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":1297,"kind":"organization","name":"LINCOLN NATIONAL LIFE INSURANCE CO /IN/","position":1,"cik":"0000726865","reported_name":"LINCOLN NATIONAL LIFE INSURANCE CO /IN/","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series SS 4.67% Senior Notes due 8/2/2034","published_at":"2024-10-31T19:42:12.000Z","date":"2024-06-28","kind":"other","planned":false,"acquired":false,"shares":5000000,"price":4873150,"value":24365750000000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"As part of a reinsurance transaction, on June 28, 2024, the Reporting Person transferred its investment in the Series SS 4.67% Senior Notes due August 2, 2034 to an affiliate for market value."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"As part of a reinsurance transaction, on June 28, 2024, the Reporting Person transferred its investment in the Series SS 4.67% Senior Notes due August 2, 2034 to an affiliate for market value."}],"source":{"system":"sec-edgar","filing":"0001214659-24-018163","document":"marketforms-67177.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/726865/000121465924018163/marketforms-67177.xml","form_type":"4"}},{"id":1379146,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":1297,"kind":"organization","name":"LINCOLN NATIONAL LIFE INSURANCE CO /IN/","position":1,"cik":"0000726865","reported_name":"LINCOLN NATIONAL LIFE INSURANCE CO /IN/","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series OO 3.46% Senior Notes due 10/29/2024","published_at":"2024-10-31T19:42:12.000Z","date":"2024-10-29","kind":"other","planned":false,"acquired":false,"shares":2012507,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The Series OO 3.46% Senior Notes due October 29, 2024 matured on October 29, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which is exempt from Section 16 of the Securities and Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series OO 3.46% Senior Notes due October 29, 2024 matured on October 29, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which is exempt from Section 16 of the Securities and Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."}],"source":{"system":"sec-edgar","filing":"0001214659-24-018163","document":"marketforms-67177.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/726865/000121465924018163/marketforms-67177.xml","form_type":"4"}},{"id":1401524,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series V Mandatory Redeemable Preferred Shares","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-20","kind":"other","planned":false,"acquired":false,"shares":106000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1401523,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series V Mandatory Redeemable Preferred Shares","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-20","kind":"other","planned":false,"acquired":false,"shares":214000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"These Series V Mandatory Redeemable Preferred Shares were redeemed in full by the Issuer at their original purchase price of $25.00 per share, plus accrued and unpaid dividends, which dividends are exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1401522,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series X Mandatory Redeemable Preferred Shares","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-18","kind":"purchase","planned":false,"acquired":true,"shares":280000,"price":25,"value":7000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":280000,"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1401521,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.45% Series ZZ Senior Unsecured Notes Due Sep. 18, 2036","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-18","kind":"purchase","planned":false,"acquired":true,"shares":1500000,"price":1500000,"value":2250000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.45% Series ZZ Senior Unsecured Notes Due September 18, 2036 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1401520,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.45% Series ZZ Senior Unsecured Notes Due Sep. 18, 2036","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-18","kind":"purchase","planned":false,"acquired":true,"shares":3900000,"price":3900000,"value":15210000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.45% Series ZZ Senior Unsecured Notes Due September 18, 2036 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1401519,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.45% Series ZZ Senior Unsecured Notes Due Sep. 18, 2036","published_at":"2024-09-20T20:20:48.000Z","date":"2024-09-18","kind":"purchase","planned":false,"acquired":true,"shares":9600000,"price":9600000,"value":92160000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.45% Series ZZ Senior Unsecured Notes Due September 18, 2036 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-002578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002578/form4.xml","form_type":"4"}},{"id":1444207,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.93% Series KK Senior Unsecured Notes Due July 30, 2024","published_at":"2024-08-01T22:59:38.000Z","date":"2024-07-30","kind":"other","planned":false,"acquired":false,"shares":2631740.05,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.93% Series KK Senior Unsecured Notes Due July 30, 2024 (\"Series KK Senior Unsecured Notes\") matured on July 30, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.93% Series KK Senior Unsecured Notes Due July 30, 2024 (\"Series KK Senior Unsecured Notes\") matured on July 30, 2024, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series KK Senior Unsecured Notes are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series KK Senior Unsecured Notes are held directly by a client for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-24-002045","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824002045/form4.xml","form_type":"4"}},{"id":1505296,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.79% Series XX Senior Unsecured Notes due May 22, 2034","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":1400000,"price":1400000,"value":1960000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price reflects the aggregate principal amount of the 5.79% Series XX Senior Unsecured Notes due May 22, 2034 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1505295,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.79% Series XX Senior Unsecured Notes due May 22, 2034","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":1300000,"price":1300000,"value":1690000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price reflects the aggregate principal amount of the 5.79% Series XX Senior Unsecured Notes due May 22, 2034 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1505294,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.79% Series XX Senior Unsecured Notes due May 22, 2034","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":7300000,"price":7300000,"value":53290000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price reflects the aggregate principal amount of the 5.79% Series XX Senior Unsecured Notes due May 22, 2034 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1505293,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.65% Series WW Senior Unsecured Notes due May 22, 2031","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":6000000,"price":6000000,"value":36000000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.65% Series WW Senior Unsecured Notes due May 22, 2031 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1505292,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.65% Series WW Senior Unsecured Notes due May 22, 2031","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":4500000,"price":4500000,"value":20250000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.65% Series WW Senior Unsecured Notes due May 22, 2031 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1505291,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.65% Series WW Senior Unsecured Notes due May 22, 2031","published_at":"2024-05-22T20:17:54.000Z","date":"2024-05-20","kind":"purchase","planned":false,"acquired":true,"shares":9500000,"price":9500000,"value":90250000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.65% Series WW Senior Unsecured Notes due May 22, 2031 purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-001578","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824001578/form4.xml","form_type":"4"}},{"id":1679906,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.79% Series VV Senior Unsecured Notes Due January 10, 2034","published_at":"2024-01-12T21:46:42.000Z","date":"2024-01-10","kind":"purchase","planned":false,"acquired":true,"shares":12500000,"price":12500000,"value":156250000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.79% Series VV Senior Unsecured Notes due January 10, 2034 (the \"Notes\") purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-000167","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824000167/form4.xml","form_type":"4"}},{"id":1679905,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.79% Series VV Senior Unsecured Notes Due January 10, 2034","published_at":"2024-01-12T21:46:42.000Z","date":"2024-01-10","kind":"purchase","planned":false,"acquired":true,"shares":12500000,"price":12500000,"value":156250000000000.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reflects the aggregate principal amount of the 5.79% Series VV Senior Unsecured Notes due January 10, 2034 (the \"Notes\") purchased."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"source":{"system":"sec-edgar","filing":"0000905148-24-000167","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514824000167/form4.xml","form_type":"4"}},{"id":1681463,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2024-01-10T19:51:49.000Z","date":"2024-01-10","kind":"purchase","planned":false,"acquired":true,"shares":50000,"price":8.836,"value":441800.0,"ownership":{"direct":true},"balance_after":681039,"source":{"system":"sec-edgar","filing":"0001638397-24-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839724000001/primary_doc.xml","form_type":"4"}},{"id":1726660,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2023-11-30T18:21:48.000Z","date":"2023-11-30","kind":"purchase","planned":false,"acquired":true,"shares":40000,"price":8.5002,"value":340008.0,"ownership":{"direct":true},"balance_after":631039,"source":{"system":"sec-edgar","filing":"0001638397-23-000036","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000036/primary_doc.xml","form_type":"4"}},{"id":1728023,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53298,"kind":"organization","name":"KAYNE ANDERSON CAPITAL ADVISORS LP","position":1,"cik":"0000949615","reported_name":"KAYNE ANDERSON CAPITAL ADVISORS LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Manager of Adviser"}}],"security":"Common Stock","published_at":"2023-11-29T22:03:58.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":1610747,"price":10.03,"value":16155792.41,"ownership":{"direct":true},"balance_after":1610747,"source":{"system":"sec-edgar","filing":"0001638397-23-000035","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/949615/000163839723000035/primary_doc.xml","form_type":"4"}},{"id":1727530,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":31662,"kind":"person","name":"LOGAN RON M JR","position":1,"cik":"0001266094","reported_name":"LOGAN RON M JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2023-11-29T21:45:47.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":15354,"price":10.03,"value":154000.62,"ownership":{"direct":true},"balance_after":69047,"source":{"system":"sec-edgar","filing":"0001638397-23-000034","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000034/primary_doc.xml","form_type":"4"}},{"id":1727529,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2023-11-29T21:29:26.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":37547,"price":10.03,"value":376596.41,"ownership":{"direct":true},"balance_after":591039,"source":{"system":"sec-edgar","filing":"0001638397-23-000033","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000033/primary_doc.xml","form_type":"4"}},{"id":1727528,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":91971,"kind":"person","name":"Hart Terry A","position":1,"cik":"0001292717","reported_name":"Hart Terry A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-29T21:23:39.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":15354,"price":10.03,"value":154000.62,"ownership":{"direct":true},"balance_after":51958,"source":{"system":"sec-edgar","filing":"0001638397-23-000032","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000032/primary_doc.xml","form_type":"4"}},{"id":1727527,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":107892,"kind":"person","name":"Frey John C","position":1,"cik":"0001304347","reported_name":"Frey John C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2023-11-29T21:18:07.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":117946,"price":10.03,"value":1182998.38,"ownership":{"direct":true},"balance_after":671438,"source":{"system":"sec-edgar","filing":"0001638397-23-000031","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000031/primary_doc.xml","form_type":"4"}},{"id":1732460,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":107892,"kind":"person","name":"Frey John C","position":1,"cik":"0001304347","reported_name":"Frey John C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2023-11-21T17:38:37.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":157864,"price":9.932,"value":1567905.248,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":553492,"source":{"system":"sec-edgar","filing":"0001638397-23-000030","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000030/primary_doc.xml","form_type":"4"}},{"id":1732459,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":31662,"kind":"person","name":"LOGAN RON M JR","position":1,"cik":"0001266094","reported_name":"LOGAN RON M JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2023-11-21T17:31:43.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":13156,"price":9.932,"value":130665.392,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":53693,"source":{"system":"sec-edgar","filing":"0001638397-23-000029","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000029/primary_doc.xml","form_type":"4"}},{"id":1732458,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":51164,"kind":"person","name":"Baker James C","position":1,"cik":"0001331674","reported_name":"Baker James C","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2023-11-21T17:26:12.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":178968,"price":9.932,"value":1777510.176,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":553492,"source":{"system":"sec-edgar","filing":"0001638397-23-000028","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000028/primary_doc.xml","form_type":"4"}},{"id":1733021,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":47701,"kind":"person","name":"Parker Austin Colby","position":1,"cik":"0001921778","reported_name":"Parker Austin Colby","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-11-21T17:18:55.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":1760,"price":9.932,"value":17480.32,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":3960,"source":{"system":"sec-edgar","filing":"0001638397-23-000027","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1921778/000163839723000027/primary_doc.xml","form_type":"4"}},{"id":1734370,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":91971,"kind":"person","name":"Hart Terry A","position":1,"cik":"0001292717","reported_name":"Hart Terry A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2023-11-21T02:53:21.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":15606,"price":9.932,"value":154998.792,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":36604,"source":{"system":"sec-edgar","filing":"0001638397-23-000026","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000026/primary_doc.xml","form_type":"4"}},{"id":1734368,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":108089,"kind":"person","name":"Shea William H JR","position":1,"cik":"0001365479","reported_name":"Shea William H JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:43:51.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":6180,"price":9.932,"value":61379.76,"ownership":{"direct":true},"balance_after":20158,"source":{"system":"sec-edgar","filing":"0001638397-23-000025","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000025/primary_doc.xml","form_type":"4"}},{"id":1735236,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":53298,"kind":"organization","name":"KAYNE ANDERSON CAPITAL ADVISORS LP","position":1,"cik":"0000949615","reported_name":"KAYNE ANDERSON CAPITAL ADVISORS LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Manager of Adviser"}}],"security":"Common Stock","published_at":"2023-11-21T02:35:35.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":3289,"price":9.932,"value":32666.348,"ownership":{"direct":false,"nature":"KA Fund Advisors, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares owned by KA Fund Advisors, LLC (\"KAFA\"). KAFA is a controlled affiliate of Kayne Anderson Capital Advisors, L.P."}],"balance_after":3375,"source":{"system":"sec-edgar","filing":"0001638397-23-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/949615/000163839723000024/primary_doc.xml","form_type":"4"}},{"id":1734367,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":108088,"kind":"person","name":"Richey Albert L","position":1,"cik":"0001376076","reported_name":"Richey Albert L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:20:19.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":8237,"price":9.932,"value":81809.884,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":25305,"source":{"system":"sec-edgar","filing":"0001638397-23-000023","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000023/primary_doc.xml","form_type":"4"}},{"id":1734366,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":108087,"kind":"person","name":"PEARL BARRY R","position":1,"cik":"0001235285","reported_name":"PEARL BARRY R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:06:23.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":3289,"price":9.932,"value":32666.348,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001638397-23-000022","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000022/primary_doc.xml","form_type":"4"}},{"id":1734365,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":108086,"kind":"person","name":"Costin Anne K","position":1,"cik":"0001304351","reported_name":"Costin Anne K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:01:03.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":1198,"price":9.932,"value":11898.536,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":3218,"source":{"system":"sec-edgar","filing":"0001638397-23-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000021/primary_doc.xml","form_type":"4"}},{"id":1734364,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":108085,"kind":"person","name":"Cordes William R","position":1,"cik":"0001235828","reported_name":"Cordes William R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T01:56:06.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":8142,"price":9.932,"value":80866.344,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares received as stock consideration in connection with the completion of the merger of Kayne Anderson NextGen Energy & Infrastructure Inc. The exchange rate (0.82245226) for stock consideration was based on each fund's relative net asset value per share as of November 10, 2023."}],"balance_after":19850,"source":{"system":"sec-edgar","filing":"0001638397-23-000020","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000163839723000020/primary_doc.xml","form_type":"4"}},{"id":1741812,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series T","published_at":"2023-11-16T01:14:34.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":120000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to merger agreement between issuer and Kayne Anderson NextGen Energy & Infrastructure, Inc. (KMF). KMF stockholders received either (i) newly issued common stock of KYN (\"Stock Consideration\") or (ii) cash (\"Cash Consideration\"), subject to the adjustment and proration procedures as set forth in the merger agreement."}],"balance_after":120000,"source":{"system":"sec-edgar","filing":"0001085146-23-004531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514623004531/ownership.xml","form_type":"4"}},{"id":1741811,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series S","published_at":"2023-11-16T01:14:34.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":162146,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to merger agreement between issuer and Kayne Anderson NextGen Energy & Infrastructure, Inc. (KMF). KMF stockholders received either (i) newly issued common stock of KYN (\"Stock Consideration\") or (ii) cash (\"Cash Consideration\"), subject to the adjustment and proration procedures as set forth in the merger agreement."}],"balance_after":162146,"source":{"system":"sec-edgar","filing":"0001085146-23-004531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514623004531/ownership.xml","form_type":"4"}},{"id":1741810,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series R","published_at":"2023-11-16T01:14:34.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":364827,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to merger agreement between issuer and Kayne Anderson NextGen Energy & Infrastructure, Inc. (KMF). KMF stockholders received either (i) newly issued common stock of KYN (\"Stock Consideration\") or (ii) cash (\"Cash Consideration\"), subject to the adjustment and proration procedures as set forth in the merger agreement."}],"balance_after":364827,"source":{"system":"sec-edgar","filing":"0001085146-23-004531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514623004531/ownership.xml","form_type":"4"}},{"id":1741809,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series W","published_at":"2023-11-16T01:14:34.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":120000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to merger agreement between issuer and Kayne Anderson NextGen Energy & Infrastructure, Inc. (KMF). KMF stockholders received either (i) newly issued common stock of KYN (\"Stock Consideration\") or (ii) cash (\"Cash Consideration\"), subject to the adjustment and proration procedures as set forth in the merger agreement."}],"balance_after":120000,"source":{"system":"sec-edgar","filing":"0001085146-23-004531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514623004531/ownership.xml","form_type":"4"}},{"id":1741808,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":83466,"kind":"organization","name":"PRINCIPAL LIFE INSURANCE CO","position":1,"cik":"0000009712","reported_name":"PRINCIPAL LIFE INSURANCE CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Mandatory Redeemable Preferred Shares, Series V","published_at":"2023-11-16T01:14:34.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":160000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Acquired pursuant to merger agreement between issuer and Kayne Anderson NextGen Energy & Infrastructure, Inc. (KMF). KMF stockholders received either (i) newly issued common stock of KYN (\"Stock Consideration\") or (ii) cash (\"Cash Consideration\"), subject to the adjustment and proration procedures as set forth in the merger agreement."}],"balance_after":160000,"source":{"system":"sec-edgar","filing":"0001085146-23-004531","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/9712/000108514623004531/ownership.xml","form_type":"4"}},{"id":1740542,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.18% Series UU Senior Unsecured Notes Due March 29, 2033","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":9000000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":9000000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740541,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"5.18% Series UU Senior Unsecured Notes Due March 29, 2033","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":11000000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":11000000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740540,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.82% Series TT Senior Unsecured Notes Due August 8, 2025","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":1692307.69,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1692307.69,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740539,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.82% Series TT Senior Unsecured Notes Due August 8, 2025","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":664176.26,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":664176.26,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740538,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series W Mandatory Redeemable Preferred Shares","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":60000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":60000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740537,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series W Mandatory Redeemable Preferred Shares","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":60000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":60000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740536,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series V Mandatory Redeemable Preferred Shares","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":106000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":106000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1740535,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"Series V Mandatory Redeemable Preferred Shares","published_at":"2023-11-15T21:30:09.000Z","date":"2023-11-13","kind":"other","planned":false,"acquired":true,"shares":214000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of November 13, 2023 (the \"Closing\"), in connection with the merger of Kayne Anderson NextGen Energy & Infrastructure, Inc. (\"KMF\") with and into a wholly owned subsidiary of the Issuer, pursuant to the Agreement and Plan of Merger, dated March 24, 2023, as amended and restated on April 24, 2023, by and among the Issuer and KMF, the Issuer issued new Series V and Series W Mandatory Redeemable Preferred Shares and new Series TT and Series UU Senior Unsecured Notes in substitution for and replacement of KMF's Series I and Series J Mandatory Redeemable Preferred Shares and Series I and Series F Senior Unsecured Notes, respectively, that were outstanding immediately prior to the Closing."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":214000,"source":{"system":"sec-edgar","filing":"0000905148-23-001456","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001456/form4.xml","form_type":"4"}},{"id":1753095,"issuer":{"id":4334,"kind":"organization","name":"Kayne Anderson Energy Infrastructure Fund, Inc.","symbol":"KYN"},"owners":[{"id":10232,"kind":"organization","name":"MetLife Investment Management, LLC","position":1,"cik":"0001529735","reported_name":"MetLife Investment Management, LLC","relationship":{"ten_percent_owner":true}}],"security":"3.37% Series NN Senior Unsecured Notes Due October 29, 2023","published_at":"2023-10-31T20:32:11.000Z","date":"2023-10-29","kind":"other","planned":false,"acquired":false,"shares":1100000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These 3.37% Series NN Senior Unsecured Notes Due October 29, 2023 (\"Series NN Senior Unsecured Notes\") matured on October 29, 2023, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These 3.37% Series NN Senior Unsecured Notes Due October 29, 2023 (\"Series NN Senior Unsecured Notes\") matured on October 29, 2023, on which date the Issuer repaid the original principal amount, plus accrued and unpaid interest, which interest is exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\") pursuant to Rule 16a-9 thereunder."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These Series NN Senior Unsecured Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These Series NN Senior Unsecured Notes are held directly by clients for whom the Reporting Person serves as investment manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-23-001262","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293613/000090514823001262/form4.xml","form_type":"4"}}],"next_cursor":"2023-10-31T20:32:11.000000Z,1753095"}