Robert Halper serves as Executive at NYMEX HOLDINGS INC, where they oversee executive responsibilities. Since joining the company, Robert Halper has executed 81 insider transactions totaling $17.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 21, 2007 involved selling 1,000 shares valued at $121.5K.
Robert Halper currently holds 36,740 shares of NYMEX HOLDINGS INC (NMX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert Halper has been a net seller of NMX stock. They have purchased $67.3K and sold $17.0M worth of shares.
Robert Halper's most recent insider trade was on Nov 21, 2007, when they sold 1,000 shares at $121.50 per share.
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| $122.00 |
| Discretionary |
| Nov 20, 2007 | NMX | $122.0K | Sale | 1,000 | $122.00 | Discretionary |
| Nov 19, 2007 | NMX | $125.2K | Sale | 1,000 | $125.15 | Discretionary |
| Nov 19, 2007 | NMX | $125.2K | Sale | 1,000 | $125.15 | Discretionary |
| Nov 16, 2007 | NMX | $121.7K | Sale | 1,000 | $121.72 | Discretionary |
| Nov 16, 2007 | NMX | $121.7K | Sale | 1,000 | $121.72 | Discretionary |
| Nov 15, 2007 | NMX | $120.1K | Sale | 1,000 | $120.08 | Discretionary |
| Nov 15, 2007 | NMX | $120.1K | Sale | 1,000 | $120.08 | Discretionary |
| Nov 14, 2007 | NMX | $126.8K | Sale | 1,000 | $126.75 | Discretionary |
| Nov 14, 2007 | NMX | $126.8K | Sale | 1,000 | $126.75 | Discretionary |
| Nov 13, 2007 | NMX | $123.9K | Sale | 1,000 | $123.88 | Discretionary |
| Nov 13, 2007 | NMX | $123.9K | Sale | 1,000 | $123.88 | Discretionary |
| Nov 12, 2007 | NMX | $0 | Other | 5,600 | $N/A | Discretionary |
| Nov 12, 2007 | NMX | $125.3K | Sale | 1,000 | $125.31 | Discretionary |
| Nov 12, 2007 | NMX | $125.3K | Sale | 1,000 | $125.31 | Discretionary |
| Nov 6, 2007 | NMX | $809.7K | Sale | 6,000 | $134.95 | Discretionary |
| Nov 6, 2007 | NMX | $790.2K | Sale | 5,900 | $133.93 | Discretionary |
| Nov 6, 2007 | NMX | $666.0K | Sale | 5,000 | $133.20 | Discretionary |
| Nov 6, 2007 | NMX | $669.5K | Sale | 5,000 | $133.90 | Discretionary |
| Nov 6, 2007 | NMX | $674.8K | Sale | 5,000 | $134.95 | Discretionary |
| Nov 6, 2007 | NMX | $786.4K | Sale | 5,900 | $133.28 | Discretionary |
| Nov 5, 2007 | NMX | $786.8K | Sale | 6,000 | $131.14 | Discretionary |
| Nov 5, 2007 | NMX | $787.9K | Sale | 5,900 | $133.55 | Discretionary |
| Nov 5, 2007 | NMX | $794.8K | Sale | 5,900 | $134.71 | Discretionary |
| Nov 5, 2007 | NMX | $655.7K | Sale | 5,000 | $131.14 | Discretionary |
| Nov 5, 2007 | NMX | $668.0K | Sale | 5,000 | $133.59 | Discretionary |
| Nov 5, 2007 | NMX | $673.5K | Sale | 5,000 | $134.70 | Discretionary |
| May 15, 2007 | NMX | $0 | Other | 5,600 | $N/A | Discretionary |
| Nov 17, 2006 | NMX | $22.4K | Purchase | 380 | $59.00 | Discretionary |