Thomas B. Perkins serves as Executive at Core-Mark Holding Company, Inc., where they oversee executive responsibilities. Since joining the company, Thomas B. Perkins has executed 353 insider transactions totaling $7.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 6, 2010 involved selling 746 shares valued at $20.9K.
Thomas B. Perkins currently holds 187,070 shares of Core-Mark Holding Company, Inc. (CORE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas B. Perkins has been a net seller of CORE stock. They have purchased $0 and sold $7.1M worth of shares.
Thomas B. Perkins's most recent insider trade was on Jul 6, 2010, when they sold 746 shares at $27.96 per share.
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| $N/A |
| Discretionary |
| Jun 30, 2010 | CORE | $0 | Option Exercise | 813 | $N/A | Discretionary |
| Jun 30, 2010 | CORE | $15.9K | Payment | 579 | $27.40 | Discretionary |
| Jun 15, 2010 | CORE | $13.8K | Sale | 500 | $27.64 | Discretionary |
| Jun 15, 2010 | CORE | $22.1K | Sale | 800 | $27.64 | Discretionary |
| Jun 15, 2010 | CORE | $8.3K | Sale | 300 | $27.64 | Discretionary |
| Jun 15, 2010 | CORE | $16.6K | Sale | 600 | $27.63 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.63 | Discretionary |
| Jun 15, 2010 | CORE | $11.0K | Sale | 400 | $27.62 | Discretionary |
| Jun 15, 2010 | CORE | $22.1K | Sale | 800 | $27.62 | Discretionary |
| Jun 15, 2010 | CORE | $30.4K | Sale | 1,100 | $27.61 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.61 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.60 | Discretionary |
| Jun 15, 2010 | CORE | $11.0K | Sale | 400 | $27.59 | Discretionary |
| Jun 15, 2010 | CORE | $2.8K | Sale | 100 | $27.58 | Discretionary |
| Jun 15, 2010 | CORE | $8.3K | Sale | 300 | $27.50 | Discretionary |
| Jun 15, 2010 | CORE | $21.3K | Sale | 776 | $27.49 | Discretionary |
| Jun 15, 2010 | CORE | $2.7K | Sale | 100 | $27.44 | Discretionary |
| Jun 15, 2010 | CORE | $2.7K | Sale | 100 | $27.41 | Discretionary |
| Jun 15, 2010 | CORE | $177.9K | Option Exercise | 11,477 | $15.50 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.64 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.65 | Discretionary |
| Jun 15, 2010 | CORE | $5.5K | Sale | 200 | $27.72 | Discretionary |
| Jun 15, 2010 | CORE | $8.3K | Sale | 300 | $27.71 | Discretionary |
| Jun 15, 2010 | CORE | $2.8K | Sale | 100 | $27.70 | Discretionary |
| Jun 15, 2010 | CORE | $8.3K | Sale | 300 | $27.68 | Discretionary |
| Jun 15, 2010 | CORE | $2.8K | Sale | 100 | $27.84 | Discretionary |
| Jun 15, 2010 | CORE | $19.4K | Sale | 700 | $27.67 | Discretionary |
| Jun 15, 2010 | CORE | $13.8K | Sale | 500 | $27.66 | Discretionary |