Michael Oreilly has an estimated net worth of $16 Million. This is based on reported shares across multiple companies, which include MARKEL GROUP INC., CHUBB CORP, and ALTERRA CAPITAL HOLDINGS Ltd.
2005 was Michael Oreilly's most active year for acquiring shares with 13 total transactions. Michael Oreilly's most active month to acquire stocks was the month of April. 2007 was Michael Oreilly's most active year for disposing of shares, totalling 108 transactions. Michael Oreilly's most active month to dispose stocks was the month of January. 2007 saw Michael Oreilly paying a total of $11,176,764.07 for 272,946 shares, this is the most they've acquired in one year. In 2004 Michael Oreilly cashed out on 317,191.5 shares for a total of $20,176,918.93, their largest year based on trade value.