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 May 15, 2007 involved selling 100 shares valued at $3.5K.
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 May 15, 2007, when they sold 100 shares at $35.25 per share.
Get notified when new Form 4 filings are submitted
| $35.26 |
| Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.24 | Discretionary |
| May 15, 2007 | CORE | $1.8K | Sale | 50 | $35.23 | Discretionary |
| May 15, 2007 | CORE | $7.0K | Sale | 200 | $35.19 | Discretionary |
| May 15, 2007 | CORE | $7.0K | Sale | 200 | $35.16 | Discretionary |
| May 15, 2007 | CORE | $46.5K | Option Exercise | 3,000 | $15.50 | Discretionary |
| May 15, 2007 | CORE | $3.6K | Sale | 100 | $35.61 | Discretionary |
| May 15, 2007 | CORE | $3.6K | Sale | 100 | $35.53 | Discretionary |
| May 15, 2007 | CORE | $5.3K | Sale | 150 | $35.46 | Discretionary |
| May 15, 2007 | CORE | $5.3K | Sale | 150 | $35.45 | Discretionary |
| May 15, 2007 | CORE | $14.2K | Sale | 400 | $35.44 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.43 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.42 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.41 | Discretionary |
| May 15, 2007 | CORE | $1.8K | Sale | 50 | $35.40 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.38 | Discretionary |
| May 15, 2007 | CORE | $5.3K | Sale | 150 | $35.37 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.33 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.31 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.30 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.29 | Discretionary |
| May 15, 2007 | CORE | $8.8K | Sale | 250 | $35.28 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.27 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $34.90 | Discretionary |
| May 15, 2007 | CORE | $31.0K | Option Exercise | 2,000 | $15.50 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $34.91 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $34.95 | Discretionary |
| May 15, 2007 | CORE | $5.3K | Sale | 150 | $35.00 | Discretionary |
| May 15, 2007 | CORE | $3.5K | Sale | 100 | $35.01 | Discretionary |