Edward J. Stewart serves as Executive at MERRIMACK PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Edward J. Stewart has executed 60 insider transactions totaling $1.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 26, 2016 involved exercising options for 30,000 shares valued at $74.1K.
Edward J. Stewart currently holds 51,385 shares of MERRIMACK PHARMACEUTICALS INC (MACK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Edward J. Stewart has been a net seller of MACK stock. They have purchased $0 and sold $1.6M worth of shares.
Edward J. Stewart's most recent insider trade was on Jul 26, 2016, when they sold 30,000 shares at $2.47 per share.
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| 4,000 |
| $1.81 |
| Discretionary |
| Jan 5, 2016 | MACK | $32.0K | Sale | 4,000 | $8.00 | Discretionary |
| Dec 1, 2015 | MACK | $46.6K | Sale | 5,000 | $9.33 | Discretionary |
| Dec 1, 2015 | MACK | $9.1K | Option Exercise | 5,000 | $1.81 | Discretionary |
| Nov 2, 2015 | MACK | $1.8K | Option Exercise | 1,000 | $1.81 | Discretionary |
| Nov 2, 2015 | MACK | $10.0K | Sale | 1,000 | $10.00 | Discretionary |
| Nov 2, 2015 | MACK | $9.1K | Option Exercise | 5,000 | $1.81 | Discretionary |
| Nov 2, 2015 | MACK | $46.5K | Sale | 5,000 | $9.30 | Discretionary |
| Oct 16, 2015 | MACK | $1.8K | Option Exercise | 1,000 | $1.81 | Discretionary |
| Oct 16, 2015 | MACK | $10.0K | Sale | 1,000 | $10.00 | Discretionary |
| Oct 2, 2015 | MACK | $1.8K | Option Exercise | 1,000 | $1.81 | Discretionary |
| Oct 2, 2015 | MACK | $9.0K | Sale | 1,000 | $9.00 | Discretionary |
| Oct 1, 2015 | MACK | $32.0K | Sale | 4,000 | $8.00 | Discretionary |
| Oct 1, 2015 | MACK | $7.2K | Option Exercise | 4,000 | $1.81 | Discretionary |
| Sep 1, 2015 | MACK | $10.9K | Option Exercise | 6,000 | $1.81 | Discretionary |
| Sep 1, 2015 | MACK | $59.3K | Sale | 6,000 | $9.88 | Discretionary |
| Aug 17, 2015 | MACK | $10.9K | Option Exercise | 6,000 | $1.81 | Discretionary |
| Aug 17, 2015 | MACK | $62.9K | Sale | 6,000 | $10.49 | Discretionary |
| Jul 15, 2015 | MACK | $10.9K | Option Exercise | 6,000 | $1.81 | Discretionary |
| Jul 15, 2015 | MACK | $71.0K | Sale | 6,000 | $11.84 | Discretionary |
| Jun 18, 2015 | MACK | $24.0K | Sale | 2,000 | $12.00 | Discretionary |
| Jun 18, 2015 | MACK | $3.6K | Option Exercise | 2,000 | $1.81 | Discretionary |
| Jun 15, 2015 | MACK | $10.9K | Option Exercise | 6,000 | $1.81 | Discretionary |
| Jun 15, 2015 | MACK | $64.0K | Sale | 6,000 | $10.67 | Discretionary |
| May 15, 2015 | MACK | $98.6K | Sale | 8,000 | $12.33 | Discretionary |
| May 15, 2015 | MACK | $14.5K | Option Exercise | 8,000 | $1.81 | Discretionary |
| Apr 15, 2015 | MACK | $102.3K | Sale | 8,000 | $12.79 | Discretionary |
| Apr 15, 2015 | MACK | $14.5K | Option Exercise | 8,000 | $1.81 | Discretionary |
| Mar 17, 2015 | MACK | $24.0K | Sale | 2,000 | $12.00 | Discretionary |