Mark Dubberstein serves as Executive at Bronco Drilling Company, Inc., where they oversee executive responsibilities. Since joining the company, Mark Dubberstein has executed 118 insider transactions totaling $2.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 2, 2008 involved selling 196 shares valued at $2.9K.
Mark Dubberstein currently holds 289,749 shares of Bronco Drilling Company, Inc. (BRNC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Dubberstein has been a net seller of BRNC stock. They have purchased $0 and sold $2.1M worth of shares.
Mark Dubberstein's most recent insider trade was on Jan 2, 2008, when they sold 196 shares at $14.83 per share.
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| $14.84 |
| Discretionary |
| Jan 2, 2008 | BRNC | $3.1K | Sale | 209 | $14.85 | Discretionary |
| Jan 2, 2008 | BRNC | $1.5K | Sale | 98 | $14.86 | Discretionary |
| Jan 2, 2008 | BRNC | $5.8K | Sale | 392 | $14.87 | Discretionary |
| Jan 2, 2008 | BRNC | $5.2K | Sale | 347 | $14.88 | Discretionary |
| Jan 2, 2008 | BRNC | $283 | Sale | 19 | $14.89 | Discretionary |
| Jan 2, 2008 | BRNC | $581 | Sale | 39 | $14.90 | Discretionary |
| Jan 2, 2008 | BRNC | $5.0K | Sale | 334 | $14.91 | Discretionary |
| Jan 2, 2008 | BRNC | $5.3K | Sale | 353 | $14.92 | Discretionary |
| Jan 2, 2008 | BRNC | $3.0K | Sale | 201 | $14.93 | Discretionary |
| Jan 2, 2008 | BRNC | $881 | Sale | 59 | $14.94 | Discretionary |
| Jan 2, 2008 | BRNC | $4.7K | Sale | 313 | $14.96 | Discretionary |
| Jan 2, 2008 | BRNC | $3.8K | Sale | 255 | $14.97 | Discretionary |
| Jan 2, 2008 | BRNC | $2.9K | Sale | 196 | $14.98 | Discretionary |
| Jan 2, 2008 | BRNC | $1.8K | Sale | 117 | $14.99 | Discretionary |
| Jan 2, 2008 | BRNC | $3.5K | Sale | 235 | $15.04 | Discretionary |
| Jan 2, 2008 | BRNC | $4.4K | Sale | 294 | $15.01 | Discretionary |