{"transactions":[{"id":3169069,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":95319,"kind":"person","name":"Uhde Philip","position":1,"cik":"0001772442","reported_name":"Uhde Philip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":106409,"kind":"organization","name":"Echinus Advisors, LLC","position":2,"cik":"0001602970","reported_name":"Echinus Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Common Stock","published_at":"2020-04-27T16:40:49.000Z","date":"2020-04-23","kind":"sale","acquired":false,"shares":1652,"price":39.2,"value":64758.4,"ownership":{"direct":false,"nature":"See footnote"},"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 $39.075 to $39.33, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These securities were held for the account of Echinus Partners, LP, a Delaware limited partnership (the \"Echinus Fund\"). Echinus Advisors, LLC, a Delaware limited liability Company (\"Echinus\"), serves as the investment manager to the Echinus Fund. Mr. Philip Uhde (\"Mr. Uhde\") is the manager and majority controlling person of Echinus. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000902664-20-001911","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1602970/000090266420001911/ownership.xml","form_type":"4"}},{"id":3169068,"issuer":{"id":279,"kind":"organization","name":"Interactive Brokers Group, Inc.","symbol":"IBKR"},"owners":[{"id":95319,"kind":"person","name":"Uhde Philip","position":1,"cik":"0001772442","reported_name":"Uhde Philip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":106409,"kind":"organization","name":"Echinus Advisors, LLC","position":2,"cik":"0001602970","reported_name":"Echinus Advisors, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Class A Common Stock, $0.01 par value per share","published_at":"2020-04-27T16:40:49.000Z","date":"2020-04-23","kind":"other","acquired":false,"shares":2409873,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On April 23, 2020, the securities were distributed pro rata to the partners of the Echinus Fund (the \"Distribution\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On April 23, 2020, the securities were distributed pro rata to the partners of the Echinus Fund (the \"Distribution\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These securities were held for the account of Echinus Partners, LP, a Delaware limited partnership (the \"Echinus Fund\"). Echinus Advisors, LLC, a Delaware limited liability Company (\"Echinus\"), serves as the investment manager to the Echinus Fund. Mr. Philip Uhde (\"Mr. Uhde\") is the manager and majority controlling person of Echinus. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":1652,"source":{"system":"sec-edgar","filing":"0000902664-20-001911","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1602970/000090266420001911/ownership.xml","form_type":"4"}}]}