Gregory P. Antholzner serves as Executive at Core-Mark Holding Company, Inc., where they oversee executive responsibilities. Since joining the company, Gregory P. Antholzner has executed 84 insider transactions totaling $922.8K, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 15, 2007 involved selling 99 shares valued at $3.0K.
Gregory P. Antholzner currently holds 550 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, Gregory P. Antholzner has been a net seller of CORE stock. They have purchased $0 and sold $922.8K worth of shares.
Gregory P. Antholzner's most recent insider trade was on Feb 15, 2007, when they sold 99 shares at $30.07 per share.
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| $30.06 |
| Discretionary |
| Feb 15, 2007 | CORE | $3.0K | Sale | 100 | $30.05 | Discretionary |
| Feb 15, 2007 | CORE | $3.0K | Sale | 99 | $29.95 | Discretionary |
| Feb 15, 2007 | CORE | $30 | Sale | 1 | $29.94 | Discretionary |
| Feb 15, 2007 | CORE | $63.5K | Option Exercise | 4,100 | $15.50 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 100 | $30.64 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 100 | $30.62 | Discretionary |
| Feb 15, 2007 | CORE | $12.2K | Sale | 400 | $30.61 | Discretionary |
| Feb 15, 2007 | CORE | $13.9K | Sale | 455 | $30.60 | Discretionary |
| Feb 15, 2007 | CORE | $3.9K | Sale | 128 | $30.59 | Discretionary |
| Feb 15, 2007 | CORE | $12.8K | Sale | 417 | $30.58 | Discretionary |
| Feb 15, 2007 | CORE | $6.1K | Sale | 200 | $30.56 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 100 | $30.55 | Discretionary |
| Feb 15, 2007 | CORE | $6.1K | Sale | 199 | $30.69 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 100 | $30.73 | Discretionary |
| Feb 15, 2007 | CORE | $6.1K | Sale | 200 | $30.70 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 101 | $30.76 | Discretionary |
| Feb 15, 2007 | CORE | $3.1K | Sale | 100 | $30.66 | Discretionary |
| Feb 15, 2007 | CORE | $6.1K | Sale | 200 | $30.65 | Discretionary |
| Feb 15, 2007 | CORE | $13.9K | Option Exercise | 900 | $15.50 | Discretionary |
| Jan 3, 2007 | CORE | $31.9K | Sale | 1,000 | $31.92 | Discretionary |
| Jan 3, 2007 | CORE | $32.1K | Sale | 1,000 | $32.11 | Discretionary |
| Jan 3, 2007 | CORE | $16.1K | Sale | 500 | $32.16 | Discretionary |
| Jan 3, 2007 | CORE | $31.8K | Sale | 1,000 | $31.83 | Discretionary |
| Jan 3, 2007 | CORE | $0 | Option Exercise | 4,500 | $N/A | Discretionary |
| Jan 3, 2007 | CORE | $32.4K | Sale | 1,000 | $32.40 | Discretionary |
| Jan 3, 2007 | CORE | $16.1K | Sale | 500 | $32.16 | Discretionary |
| Nov 24, 2006 | CORE | $0 | Option Exercise | 4,000 | $N/A | Discretionary |
| Nov 24, 2006 | CORE | $124.0K | Sale | 4,000 | $31.00 | Discretionary |