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 Jun 30, 2012 involved exercising options for 750 shares valued at $0.
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 Jun 30, 2012, when they sold 750 shares at $0.00 per share.
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| $42.48 |
| Discretionary |
| Mar 31, 2012 | CORE | $5.7K | Payment | 137 | $41.35 | Discretionary |
| Mar 31, 2012 | CORE | $0 | Option Exercise | 750 | $N/A | Discretionary |
| Mar 31, 2012 | CORE | $0 | Option Exercise | 562 | $N/A | Discretionary |
| Mar 31, 2012 | CORE | $17.8K | Payment | 431 | $41.35 | Discretionary |
| Feb 8, 2012 | CORE | $12.2K | Payment | 298 | $40.85 | Discretionary |
| Jan 19, 2012 | CORE | $9.8K | Payment | 245 | $39.81 | Discretionary |
| Jan 19, 2012 | CORE | $0 | Option Exercise | 2,250 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $0 | Award | 2,250 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $0 | Award | 2,750 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $32.8K | Payment | 825 | $39.81 | Discretionary |
| Jan 19, 2012 | CORE | $9.8K | Payment | 245 | $39.81 | Discretionary |
| Jan 19, 2012 | CORE | $0 | Award | 2,250 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $0 | Option Exercise | 2,250 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $0 | Award | 2,750 | $N/A | Discretionary |
| Jan 19, 2012 | CORE | $33.6K | Payment | 845 | $39.81 | Discretionary |
| Dec 31, 2011 | CORE | $0 | Option Exercise | 813 | $N/A | Discretionary |
| Dec 31, 2011 | CORE | $0 | Option Exercise | 750 | $N/A | Discretionary |
| Dec 31, 2011 | CORE | $26.1K | Payment | 665 | $39.25 | Discretionary |
| Dec 31, 2011 | CORE | $11.8K | Payment | 300 | $39.25 | Discretionary |
| Sep 30, 2011 | CORE | $9.1K | Payment | 299 | $30.58 | Discretionary |
| Sep 30, 2011 | CORE | $20.3K | Payment | 664 | $30.58 | Discretionary |
| Sep 30, 2011 | CORE | $0 | Option Exercise | 750 | $N/A | Discretionary |
| Sep 30, 2011 | CORE | $0 | Option Exercise | 812 | $N/A | Discretionary |
| Aug 11, 2011 | CORE | $34.0K | Sale | 1,000 | $34.01 | Discretionary |
| Aug 10, 2011 | CORE | $115.5K | Sale | 3,244 | $35.59 | Discretionary |
| Jun 30, 2011 | CORE | $0 | Option Exercise | 750 | $N/A | Discretionary |
| Jun 30, 2011 | CORE | $0 | Option Exercise | 813 | $N/A | Discretionary |
| Jun 30, 2011 | CORE | $23.7K | Payment | 665 | $35.70 | Discretionary |