The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Graves Zachary M since 2008.
The trader's CIK number is 1335962.
At the time of the last reporting, Graves Zachary M was the Chief Financial Offi of Bronco Drilling Company, Inc.. (stock ticker symbol BRNC).
Also see all insider trading activities at Bronco Drilling Company, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2011 | BRNC | 0 | $0 | 100,000 | $714,734 | 0 | $0 |
| 2010 | BRNC | 0 | $0 | 56,538 | $253,753 | 0 | $0 |
| 2009 | BRNC | 0 | $0 | 29,000 | $166,191 | 0 | $0 |
| 2008 | BRNC | 0 | $0 | 21,750 | $327,834 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2011-01-31 | BRNC | Sale | 597 | 7.00 | 4,179 |
| 2011-02-01 | BRNC | Sale | 72,426 | 7.22 | 522,915 |
| 2011-01-27 | BRNC | Sale | 2,927 | 7.00 | 20,489 |
| 2011-01-28 | BRNC | Sale | 100 | 7.00 | 700 |
| 2011-01-11 | BRNC | Sale | 14,804 | 6.95 | 102,887 |
| 2011-01-12 | BRNC | Sale | 9,146 | 6.95 | 63,564 |
| 2010-06-11 | BRNC | Sale | 20,000 | 3.66 | 73,200 |
| 2010-02-25 | BRNC | Sale | 10,900 | 4.85 | 52,864 |
| 2010-02-26 | BRNC | Sale | 14,300 | 4.91 | 70,213 |
| 2010-03-01 | BRNC | Sale | 7,171 | 5.04 | 36,141 |
| 2010-01-04 | BRNC | Sale | 4,167 | 5.12 | 21,335 |
| 2009-02-25 | BRNC | Sale | 9,667 | 4.94 | 47,754 |
| 2009-01-05 | BRNC | Sale | 11,395 | 6.04 | 68,825 |
| 2009-01-02 | BRNC | Sale | 7,938 | 6.25 | 49,612 |
| 2008-01-03 | BRNC | Sale | 2,076 | 15.40 | 31,976 |
| 2008-01-02 | BRNC | Sale | 5,960 | 15.23 | 90,746 |
| 2008-01-03 | BRNC | Sale | 2,910 | 15.08 | 43,874 |
| 2008-01-02 | BRNC | Sale | 10,804 | 14.92 | 161,238 |
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 Graves Zachary M (Chief Financial Offi of Bronco Drilling Company, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.