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These shares were sold in multiple transactions at prices ranging from $69.15 to $69.18."}],"balance_after":209349,"source":{"system":"sec-edgar","filing":"0001381197-25-000153","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1406586/000138119725000153/form4.xml","form_type":"4"}},{"id":1011961,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":50860,"kind":"person","name":"Harris Lawrence E","position":1,"cik":"0001406586","reported_name":"Harris Lawrence E","relationship":{"director":true}}],"security":"Class A common stock","published_at":"2025-10-29T20:05:11.000Z","date":"2025-10-27","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":69.73,"value":522975.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.63 to $69.82. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (1) - (2) to this Form 4."}],"balance_after":216204,"source":{"system":"sec-edgar","filing":"0001381197-25-000153","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1406586/000138119725000153/form4.xml","form_type":"4"}},{"id":1013200,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":50860,"kind":"person","name":"Harris Lawrence E","position":1,"cik":"0001406586","reported_name":"Harris Lawrence E","relationship":{"director":true}}],"security":"Class A common stock","published_at":"2025-10-27T20:02:19.000Z","date":"2025-10-24","kind":"sale","planned":false,"acquired":false,"shares":8000,"price":68.5,"value":548000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.50 to $68.53."}],"balance_after":223704,"source":{"system":"sec-edgar","filing":"0001381197-25-000150","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1406586/000138119725000150/form4.xml","form_type":"4"}},{"id":1013199,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":50860,"kind":"person","name":"Harris Lawrence E","position":1,"cik":"0001406586","reported_name":"Harris Lawrence E","relationship":{"director":true}}],"security":"Class A common stock","published_at":"2025-10-27T20:02:19.000Z","date":"2025-10-23","kind":"sale","planned":false,"acquired":false,"shares":22000,"price":67.63,"value":1487860.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.50 to $67.81. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (1) - (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On June 17, 2025, the Issuer effected a four-for-one split of its common stock, resulting in the reporting person's ownership of 190,278 additional shares of common stock."}],"balance_after":231704,"source":{"system":"sec-edgar","filing":"0001381197-25-000150","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1406586/000138119725000150/form4.xml","form_type":"4"}},{"id":1013258,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":63663,"kind":"person","name":"Bright Jill","position":1,"cik":"0001714651","reported_name":"Bright Jill","relationship":{"director":true}}],"security":"Class A common stock","published_at":"2025-10-27T16:03:15.000Z","date":"2025-10-23","kind":"purchase","planned":false,"acquired":true,"shares":400,"price":65.95,"value":26380.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This amount includes (a) securities acquired by the Reporting Person; (b) Class A common stock attributable to vested restricted stock units that were awarded under the 2007 Stock Incentive Plan as amended the (\"Plan\"); and (c) unvested restricted stock units that were awarded under the Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On June 17, 2025, the Issuer effected a four-for-one split of its common stock, resulting in the reporting person's ownership of 7,428 additional shares of common stock."}],"balance_after":10304,"source":{"system":"sec-edgar","filing":"0001381197-25-000151","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1714651/000138119725000151/form4.xml","form_type":"4"}},{"id":1024190,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-03T20:05:48.000Z","date":"2025-09-19","kind":"sale","planned":true,"acquired":false,"shares":6928,"price":64.66,"value":447964.48,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.32 to $65.15. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnote (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":101473,"source":{"system":"sec-edgar","filing":"0001381197-25-000139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000139/form4.xml","form_type":"4/A","original_submission_date":"2025-09-23"}},{"id":1029096,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-01T20:05:34.000Z","date":"2025-09-30","kind":"sale","planned":true,"acquired":false,"shares":1155,"price":70,"value":80850.0,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.75 to $70.26."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":6928,"source":{"system":"sec-edgar","filing":"0001381197-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000137/form4.xml","form_type":"4"}},{"id":1029095,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-01T20:05:34.000Z","date":"2025-09-30","kind":"sale","planned":true,"acquired":false,"shares":1979,"price":69.3,"value":137144.7,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.75 to $69.74."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":8083,"source":{"system":"sec-edgar","filing":"0001381197-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000137/form4.xml","form_type":"4"}},{"id":1029094,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-01T20:05:34.000Z","date":"2025-09-29","kind":"sale","planned":true,"acquired":false,"shares":2021,"price":68.7,"value":138842.7,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.64 to $68.82."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":10062,"source":{"system":"sec-edgar","filing":"0001381197-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000137/form4.xml","form_type":"4"}},{"id":1029093,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-01T20:05:34.000Z","date":"2025-09-29","kind":"sale","planned":true,"acquired":false,"shares":8792,"price":68.27,"value":600229.84,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.64 to $68.63."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":12083,"source":{"system":"sec-edgar","filing":"0001381197-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000137/form4.xml","form_type":"4"}},{"id":1029092,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-10-01T20:05:34.000Z","date":"2025-09-29","kind":"sale","planned":true,"acquired":false,"shares":7414,"price":67.16,"value":497924.24,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.64 to $67.63. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (6) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":20875,"source":{"system":"sec-edgar","filing":"0001381197-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000137/form4.xml","form_type":"4"}},{"id":1031108,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-29T20:05:33.000Z","date":"2025-09-26","kind":"sale","planned":true,"acquired":false,"shares":1581,"price":66.15,"value":104583.15,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.12 to $66.30."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":28289,"source":{"system":"sec-edgar","filing":"0001381197-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000135/form4.xml","form_type":"4"}},{"id":1031107,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-29T20:05:33.000Z","date":"2025-09-26","kind":"sale","planned":true,"acquired":false,"shares":15477,"price":65.74,"value":1017457.98,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.12 to $66.11."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":29870,"source":{"system":"sec-edgar","filing":"0001381197-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000135/form4.xml","form_type":"4"}},{"id":1031106,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-29T20:05:33.000Z","date":"2025-09-25","kind":"sale","planned":true,"acquired":false,"shares":4248,"price":65.19,"value":276927.12,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.02 to $65.49."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":45347,"source":{"system":"sec-edgar","filing":"0001381197-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000135/form4.xml","form_type":"4"}},{"id":1031105,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-29T20:05:33.000Z","date":"2025-09-25","kind":"sale","planned":true,"acquired":false,"shares":8866,"price":64.76,"value":574162.16,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.02 to $65.01."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":49595,"source":{"system":"sec-edgar","filing":"0001381197-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000135/form4.xml","form_type":"4"}},{"id":1031104,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-29T20:05:33.000Z","date":"2025-09-25","kind":"sale","planned":true,"acquired":false,"shares":1182,"price":63.81,"value":75423.42,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.02 to $64.01. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (6) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":58461,"source":{"system":"sec-edgar","filing":"0001381197-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000135/form4.xml","form_type":"4"}},{"id":1032141,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-25T20:07:21.000Z","date":"2025-09-24","kind":"sale","planned":true,"acquired":false,"shares":927,"price":65.54,"value":60755.58,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.27 to $66.15."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interest in IBG LLC."}],"balance_after":59643,"source":{"system":"sec-edgar","filing":"0001381197-25-000133","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000133/form4.xml","form_type":"4"}},{"id":1032140,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":43458,"kind":"person","name":"Brody Paul Jonathan","position":1,"cik":"0001391403","reported_name":"Brody Paul Jonathan","relationship":{"director":true,"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class A common stock","published_at":"2025-09-25T20:07:21.000Z","date":"2025-09-24","kind":"sale","planned":true,"acquired":false,"shares":13464,"price":64.76,"value":871928.64,"ownership":{"direct":false,"nature":"by PJB Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.27 to $65.26."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. 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These shares were sold in multiple transactions at prices ranging from $62.01 to $62.92."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. 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These shares were sold in multiple transactions at prices ranging from $60.68 to $61.67. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (4) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities acquired by a limited liability company, owned indirectly by the Reporting Person, in a partial redemption of its interest in IBG Holdings LLC. 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These shares were sold in multiple transactions at prices ranging from $63.03 to $64.02. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":420521,"source":{"system":"sec-edgar","filing":"0001381197-25-000113","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000113/form4.xml","form_type":"4"}},{"id":1066189,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":26587,"kind":"person","name":"Nemser Earl H","position":1,"cik":"0001391400","reported_name":"Nemser Earl H","relationship":{"director":true,"officer":true,"officer_title":"Vice Chairman"}}],"security":"Class A common stock","published_at":"2025-08-14T20:02:59.000Z","date":"2025-08-13","kind":"sale","planned":true,"acquired":false,"shares":200,"price":67.2,"value":13440.0,"ownership":{"direct":false,"nature":"by EN Holdings LLC"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":453900,"source":{"system":"sec-edgar","filing":"0001381197-25-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000111/form4.xml","form_type":"4"}},{"id":1066188,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":26587,"kind":"person","name":"Nemser Earl H","position":1,"cik":"0001391400","reported_name":"Nemser Earl H","relationship":{"director":true,"officer":true,"officer_title":"Vice Chairman"}}],"security":"Class A common stock","published_at":"2025-08-14T20:02:59.000Z","date":"2025-08-13","kind":"sale","planned":true,"acquired":false,"shares":2400,"price":66.77,"value":160248.0,"ownership":{"direct":false,"nature":"by EN Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.18 to $67.06."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":454100,"source":{"system":"sec-edgar","filing":"0001381197-25-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000111/form4.xml","form_type":"4"}},{"id":1066187,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":26587,"kind":"person","name":"Nemser Earl H","position":1,"cik":"0001391400","reported_name":"Nemser Earl H","relationship":{"director":true,"officer":true,"officer_title":"Vice Chairman"}}],"security":"Class A common stock","published_at":"2025-08-14T20:02:59.000Z","date":"2025-08-13","kind":"sale","planned":true,"acquired":false,"shares":200,"price":66.09,"value":13218.0,"ownership":{"direct":false,"nature":"by EN Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $64.18 to $65.17."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":456700,"source":{"system":"sec-edgar","filing":"0001381197-25-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000111/form4.xml","form_type":"4"}},{"id":1066185,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":26587,"kind":"person","name":"Nemser Earl H","position":1,"cik":"0001391400","reported_name":"Nemser Earl H","relationship":{"director":true,"officer":true,"officer_title":"Vice Chairman"}}],"security":"Class A common stock","published_at":"2025-08-14T20:02:59.000Z","date":"2025-08-13","kind":"sale","planned":true,"acquired":false,"shares":4600,"price":63.75,"value":293250.0,"ownership":{"direct":false,"nature":"by EN Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.18 to $64.17."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":456900,"source":{"system":"sec-edgar","filing":"0001381197-25-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000111/form4.xml","form_type":"4"}},{"id":1066184,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":26587,"kind":"person","name":"Nemser Earl H","position":1,"cik":"0001391400","reported_name":"Nemser Earl H","relationship":{"director":true,"officer":true,"officer_title":"Vice Chairman"}}],"security":"Class A common stock","published_at":"2025-08-14T20:02:59.000Z","date":"2025-08-12","kind":"sale","planned":true,"acquired":false,"shares":41086,"price":67.88,"value":2788917.68,"ownership":{"direct":false,"nature":"by EN Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.76 to $68.04."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents number of securities owned by EN Holdings LLC, which is owned by the reporting person and his affiliates."}],"balance_after":461500,"source":{"system":"sec-edgar","filing":"0001381197-25-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1381197/000138119725000111/form4.xml","form_type":"4"}}],"next_cursor":"2025-08-14T20:02:59.000000Z,1066184"}