{"transactions":[{"id":3511001,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-05-28T21:21:53.000Z","date":"2019-05-23","kind":"grant","acquired":true,"shares":404,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes Annual WTM Director Share Award (250) and fees elected by the Reporting Person to be taken in Common Shares (154)."}],"balance_after":4121,"source":{"system":"sec-edgar","filing":"0001668244-19-000030","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000030/edgar.xml","form_type":"4"}},{"id":3598508,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":424,"price":903.19,"value":382952.56,"ownership":{"direct":true},"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 $903.50 to $903.00, inclusive."}],"balance_after":3717,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598507,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":283,"price":904.15,"value":255874.45,"ownership":{"direct":true},"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 $904.50 to $904.00, inclusive."}],"balance_after":4141,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598506,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":400,"price":905,"value":362000.0,"ownership":{"direct":true},"balance_after":4424,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598505,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":161,"price":908,"value":146188.0,"ownership":{"direct":true},"balance_after":4824,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598504,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":900,"price":907.48,"value":816732.0,"ownership":{"direct":true},"balance_after":4985,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598503,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":574,"price":910.05,"value":522368.7,"ownership":{"direct":true},"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 $910.54 to $910.00, inclusive."}],"balance_after":5885,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598502,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":14,"price":911.06,"value":12754.84,"ownership":{"direct":true},"balance_after":6459,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598501,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":12,"price":912.4,"value":10948.8,"ownership":{"direct":true},"balance_after":6473,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598500,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":61,"price":915,"value":55815.0,"ownership":{"direct":true},"balance_after":6485,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598499,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":192,"price":916.18,"value":175906.56,"ownership":{"direct":true},"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 $916.56 to $915.7, inclusive."}],"balance_after":6546,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598498,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":211,"price":917,"value":193487.0,"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 $917.61 to $916.66, inclusive."}],"balance_after":6738,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3598497,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-03-13T20:06:56.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":128,"price":918.61,"value":117582.08,"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 $918.62 to $918.55, inclusive.  The reporting person undertakes to provide to White Mountains Insurance Group, Ltd., any security holder thereof 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 ranges set forth in footnotes (1) through (6) to this Form 4."}],"balance_after":6949,"source":{"system":"sec-edgar","filing":"0001668244-19-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824419000013/edgar.xml","form_type":"4"}},{"id":3917887,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2018-05-25T16:23:32.000Z","date":"2018-05-24","kind":"grant","acquired":true,"shares":415,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes Annual WTM Director Share Award (250) and fees elected by the Reporting Person to be taken in Common Shares (165)."}],"balance_after":7077,"source":{"system":"sec-edgar","filing":"0001668244-18-000019","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824418000019/edgar.xml","form_type":"4"}},{"id":4304016,"issuer":{"id":3904,"kind":"organization","name":"WHITE MOUNTAINS INSURANCE GROUP LTD"},"owners":[{"id":157184,"kind":"person","name":"Brouillette Yves","position":1,"cik":"0001410400","reported_name":"Brouillette Yves","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2017-05-26T20:28:10.000Z","date":"2017-05-25","kind":"grant","acquired":true,"shares":421,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes Annual Director Share Award (250) and Committee Retainer Fees elected by the Reporting Person to be taken in Common Shares (171)."}],"balance_after":6662,"source":{"system":"sec-edgar","filing":"0001668244-17-000024","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/776867/000166824417000024/edgar.xml","form_type":"4"}}]}