David Hallal serves as Executive at ALEXION PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, David Hallal has executed 164 insider transactions totaling $64.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 4, 2013 involved selling 985 shares valued at $95.3K.
David Hallal currently holds 1,669,649 shares of ALEXION PHARMACEUTICALS INC (ALXN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Hallal has been a net seller of ALXN stock. They have purchased $0 and sold $64.9M worth of shares.
David Hallal's most recent insider trade was on Feb 4, 2013, when they sold 985 shares at $96.74 per share.
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| $95.68 |
| Discretionary |
| Jan 29, 2013 | ALXN | $48.3K | Sale | 512 | $94.32 | Discretionary |
| Jan 28, 2013 | ALXN | $59.7K | Sale | 632 | $94.50 | Discretionary |
| Oct 24, 2012 | ALXN | $85.7K | Option Exercise | 10,500 | $8.16 | Discretionary |
| Jul 31, 2012 | ALXN | $71.4K | Sale | 680 | $104.99 | Discretionary |
| Jul 27, 2012 | ALXN | $882.5K | Option Exercise | 50,000 | $17.65 | Discretionary |
| Jul 27, 2012 | ALXN | $5.4M | Sale | 50,000 | $107.74 | Discretionary |
| Jul 27, 2012 | ALXN | $58.9K | Sale | 555 | $106.14 | Discretionary |
| Jun 15, 2012 | ALXN | $170.6K | Option Exercise | 14,308 | $11.92 | Discretionary |
| Jun 15, 2012 | ALXN | $1.3M | Sale | 14,308 | $93.67 | Discretionary |
| May 9, 2012 | ALXN | $81.6K | Option Exercise | 10,000 | $8.16 | Discretionary |
| Feb 23, 2012 | ALXN | $476.8K | Option Exercise | 40,000 | $11.92 | Discretionary |
| Feb 23, 2012 | ALXN | $3.4M | Sale | 40,000 | $85.50 | Discretionary |
| Feb 3, 2012 | ALXN | $0 | Option Exercise | 10,000 | $N/A | Discretionary |
| Jan 30, 2012 | ALXN | $141.3K | Sale | 1,896 | $74.51 | Discretionary |
| Jan 27, 2012 | ALXN | $41.2K | Sale | 554 | $74.41 | Discretionary |
| Jan 10, 2012 | ALXN | $40.2K | Sale | 536 | $75.00 | Discretionary |
| Dec 30, 2011 | ALXN | $24.5K | Option Exercise | 3,000 | $8.16 | Discretionary |
| Nov 28, 2011 | ALXN | $238.4K | Option Exercise | 20,000 | $11.92 | Discretionary |
| Nov 28, 2011 | ALXN | $1.3M | Sale | 20,000 | $66.59 | Discretionary |
| Aug 8, 2011 | ALXN | $40.8K | Option Exercise | 5,000 | $8.16 | Discretionary |
| Aug 5, 2011 | ALXN | $40.8K | Option Exercise | 5,000 | $8.16 | Discretionary |
| Jul 28, 2011 | ALXN | $2.1M | Sale | 36,872 | $57.33 | Discretionary |
| Jul 28, 2011 | ALXN | $379.4K | Option Exercise | 36,872 | $10.29 | Discretionary |
| Jul 27, 2011 | ALXN | $31.8K | Sale | 555 | $57.27 | Discretionary |
| Jul 11, 2011 | ALXN | $25.1K | Sale | 501 | $50.00 | Discretionary |
| Mar 3, 2011 | ALXN | $486.1K | Sale | 4,900 | $99.21 | Discretionary |
| Mar 3, 2011 | ALXN | $100.8K | Option Exercise | 4,900 | $20.58 | Discretionary |
| Mar 2, 2011 | ALXN | $2.1K | Option Exercise | 100 | $20.58 | Discretionary |