Insider Stock Trading History of Dubberstein Mark


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 Dubberstein Mark since year 2005. The trader's CIK number is 1405106. At the time of this reporting, Dubberstein Mark is the President of Bronco Drilling Company, Inc. . (stock ticker symbol BRNC). See this page for all insider trading activities at Bronco Drilling Company, Inc. .


Stock purchases, sales, and option exercises reported by insider Dubberstein Mark since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2011-03-14 BRNC Bronco Drilling Company, Inc. Sale 12,143 10.11 122,765
2011-03-09 BRNC Bronco Drilling Company, Inc. Sale 15,600 10.26 160,056
2011-03-11 BRNC Bronco Drilling Company, Inc. Sale 11,000 10.07 110,770
2011-01-13 BRNC Bronco Drilling Company, Inc. Sale 20,000 6.64 132,800
2010-10-15 BRNC Bronco Drilling Company, Inc. Sale 2,483 4.50 11,173
2010-10-14 BRNC Bronco Drilling Company, Inc. Sale 10,600 4.51 47,806
2010-10-13 BRNC Bronco Drilling Company, Inc. Sale 1,000 4.51 4,510
2010-06-21 BRNC Bronco Drilling Company, Inc. Sale 17,917 4.51 80,805
2010-06-15 BRNC Bronco Drilling Company, Inc. Sale 15,000 4.00 60,000
2010-05-13 BRNC Bronco Drilling Company, Inc. Sale 6,000 4.42 26,520
2010-05-12 BRNC Bronco Drilling Company, Inc. Sale 9,000 4.43 39,870
2010-02-25 BRNC Bronco Drilling Company, Inc. Sale 10,900 4.85 52,864
2010-02-26 BRNC Bronco Drilling Company, Inc. Sale 14,900 4.91 73,159
2010-03-01 BRNC Bronco Drilling Company, Inc. Sale 14,200 5.06 71,852
2010-01-04 BRNC Bronco Drilling Company, Inc. Sale 8,333 5.12 42,664
2009-03-19 BRNC Bronco Drilling Company, Inc. Sale 30,000 5.87 176,100
2009-02-25 BRNC Bronco Drilling Company, Inc. Sale 6,667 4.94 32,934
2009-01-05 BRNC Bronco Drilling Company, Inc. Sale 7,859 6.04 47,468
2009-01-02 BRNC Bronco Drilling Company, Inc. Sale 5,474 6.25 34,212
2008-04-11 BRNC Bronco Drilling Company, Inc. Sale 2,500 16.34 40,850
2008-04-08 BRNC Bronco Drilling Company, Inc. Sale 7,500 16.22 121,612
2008-01-02 BRNC Bronco Drilling Company, Inc. Sale 8,333 15.08 125,636
2008-01-03 BRNC Bronco Drilling Company, Inc. Sale 1,431 15.40 22,041
2008-01-02 BRNC Bronco Drilling Company, Inc. Sale 4,112 15.23 62,609
2008-01-03 BRNC Bronco Drilling Company, Inc. Sale 2,007 15.08 30,259
2008-01-02 BRNC Bronco Drilling Company, Inc. Sale 7,450 14.92 111,183

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 Dubberstein Mark (President of Bronco Drilling Company, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.