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 Jan 18, 2011 involved exercising options for 15,278 shares valued at $236.8K.
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 Jan 18, 2011, when they sold 15,278 shares at $15.50 per share.
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| $34.53 |
| Discretionary |
| Jan 18, 2011 | CORE | $29.6K | Sale | 859 | $34.50 | Discretionary |
| Jan 18, 2011 | CORE | $1.7K | Sale | 50 | $34.50 | Discretionary |
| Jan 18, 2011 | CORE | $3.5K | Sale | 102 | $34.48 | Discretionary |
| Jan 18, 2011 | CORE | $6.9K | Sale | 200 | $34.47 | Discretionary |
| Jan 18, 2011 | CORE | $3.4K | Sale | 100 | $34.45 | Discretionary |
| Jan 18, 2011 | CORE | $10.3K | Sale | 300 | $34.45 | Discretionary |
| Jan 18, 2011 | CORE | $17.2K | Sale | 500 | $34.45 | Discretionary |
| Jan 18, 2011 | CORE | $55.1K | Sale | 1,600 | $34.44 | Discretionary |
| Jan 18, 2011 | CORE | $4.9K | Sale | 143 | $34.44 | Discretionary |
| Jan 18, 2011 | CORE | $17.9K | Sale | 520 | $34.38 | Discretionary |
| Jan 18, 2011 | CORE | $20.7K | Sale | 602 | $34.35 | Discretionary |
| Jan 18, 2011 | CORE | $3.6K | Sale | 104 | $34.34 | Discretionary |
| Jan 18, 2011 | CORE | $17.2K | Sale | 501 | $34.33 | Discretionary |
| Jan 1, 2011 | CORE | $38.2K | Payment | 1,060 | $36.01 | Discretionary |
| Jan 1, 2011 | CORE | $0 | Option Exercise | 2,882 | $N/A | Discretionary |
| Dec 31, 2010 | CORE | $14.6K | Payment | 410 | $35.59 | Discretionary |
| Dec 31, 2010 | CORE | $0 | Option Exercise | 813 | $N/A | Discretionary |
| Dec 31, 2010 | CORE | $12.3K | Payment | 346 | $35.59 | Discretionary |
| Sep 30, 2010 | CORE | $10.7K | Payment | 345 | $30.96 | Discretionary |
| Sep 30, 2010 | CORE | $12.7K | Payment | 409 | $30.96 | Discretionary |
| Sep 30, 2010 | CORE | $0 | Option Exercise | 812 | $N/A | Discretionary |
| Sep 15, 2010 | CORE | $19.6K | Sale | 700 | $27.98 | Discretionary |
| Sep 15, 2010 | CORE | $2.8K | Sale | 100 | $27.94 | Discretionary |
| Sep 15, 2010 | CORE | $236.8K | Option Exercise | 15,278 | $15.50 | Discretionary |
| Sep 15, 2010 | CORE | $42.6K | Sale | 1,500 | $28.42 | Discretionary |
| Sep 15, 2010 | CORE | $24.7K | Sale | 868 | $28.41 | Discretionary |
| Sep 15, 2010 | CORE | $8.5K | Sale | 300 | $28.40 | Discretionary |
| Sep 15, 2010 | CORE | $5.7K | Sale | 200 | $28.38 | Discretionary |