Insider Stock Trading History of White Mountains Insurance Group Ltd


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider White Mountains Insurance Group Ltd since year 2005. The trader's CIK number is 776867. At the time of this reporting, White Mountains Insurance Group Ltd is the 10% Owner of Onebeacon Insurance Group, Ltd. . (stock ticker symbol NYSE: OB). See this page for all insider trading activities at Onebeacon Insurance Group, Ltd. .

Note that in the past WHITE MOUNTAINS INSURANCE GROUP LTD also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider White Mountains Insurance Group Ltd since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2007-03-15 OB Onebeacon Insurance Group, Ltd. Sale 645,262 25.85 16,680,022
2006-11-14 OB Onebeacon Insurance Group, Ltd. Sale 27,600,000 23.56 650,311,200
2006-09-27 MRH Montpelier Re Holdings Ltd Sale 5,370,150 19.40 104,180,909

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by White Mountains Insurance Group Ltd (10% Owner of Onebeacon Insurance Group, Ltd. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.