The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Stewart Edward J. since 2012.
The trader's CIK number is 1531564.
At the time of the last reporting, Stewart Edward J. was the SVP & Pres, Healthcare Sol of Merrimack Pharmaceuticals Inc. (stock ticker symbol MACK).
Also see all insider trading activities at Merrimack Pharmaceuticals Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2016 | MACK | 0 | $0 | 4,000 | $32,000 | 34,000 | $81,340 |
| 2015 | MACK | 0 | $0 | 85,000 | $934,370 | 85,000 | $153,850 |
| 2014 | MACK | 0 | $0 | 73,000 | $587,210 | 73,000 | $106,730 |
| 2013 | MACK | 0 | $0 | 0 | $0 | 5,000 | $10,950 |
| 2012 | MACK | 0 | $0 | 0 | $0 | 16,385 | $35,883 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2016-07-26 | MACK | Option Ex | 30,000 | 2.47 | 74,100 |
| 2016-01-05 | MACK | Option Ex | 4,000 | 1.81 | 7,240 |
| 2016-01-05 | MACK | Sale | 4,000 | 8.00 | 32,000 |
| 2015-12-01 | MACK | Option Ex | 5,000 | 1.81 | 9,050 |
| 2015-12-01 | MACK | Sale | 5,000 | 9.33 | 46,650 |
| 2015-11-02 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-11-02 | MACK | Sale | 6,000 | 9.65 | 57,900 |
| 2015-10-16 | MACK | Option Ex | 1,000 | 1.81 | 1,810 |
| 2015-10-16 | MACK | Sale | 1,000 | 10.00 | 10,000 |
| 2015-10-01 | MACK | Option Ex | 4,000 | 1.81 | 7,240 |
| 2015-10-02 | MACK | Option Ex | 1,000 | 1.81 | 1,810 |
| 2015-10-01 | MACK | Sale | 4,000 | 8.00 | 32,000 |
| 2015-10-02 | MACK | Sale | 1,000 | 9.00 | 9,000 |
| 2015-09-01 | MACK | Sale | 6,000 | 9.88 | 59,280 |
| 2015-09-01 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-08-17 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-08-17 | MACK | Sale | 6,000 | 10.49 | 62,940 |
| 2015-07-15 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-07-15 | MACK | Sale | 6,000 | 11.84 | 71,040 |
| 2015-06-18 | MACK | Option Ex | 2,000 | 1.81 | 3,620 |
| 2015-06-18 | MACK | Sale | 2,000 | 12.00 | 24,000 |
| 2015-06-15 | MACK | Sale | 6,000 | 10.67 | 64,020 |
| 2015-06-15 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-05-15 | MACK | Option Ex | 8,000 | 1.81 | 14,480 |
| 2015-05-15 | MACK | Sale | 8,000 | 12.33 | 98,640 |
| 2015-04-15 | MACK | Option Ex | 8,000 | 1.81 | 14,480 |
| 2015-04-15 | MACK | Sale | 8,000 | 12.79 | 102,320 |
| 2015-03-16 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-03-17 | MACK | Option Ex | 2,000 | 1.81 | 3,620 |
| 2015-03-16 | MACK | Sale | 6,000 | 11.93 | 71,580 |
| 2015-03-17 | MACK | Sale | 2,000 | 12.00 | 24,000 |
| 2015-03-04 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-03-04 | MACK | Sale | 6,000 | 12.00 | 72,000 |
| 2015-02-17 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2015-02-17 | MACK | Sale | 6,000 | 10.31 | 61,860 |
| 2015-01-15 | MACK | Sale | 6,000 | 11.19 | 67,140 |
| 2015-01-15 | MACK | Option Ex | 6,000 | 1.81 | 10,860 |
| 2014-12-15 | MACK | Option Ex | 6,000 | 1.76 | 10,560 |
| 2014-12-15 | MACK | Sale | 6,000 | 10.63 | 63,780 |
| 2014-12-05 | MACK | Option Ex | 3,000 | 1.71 | 5,130 |
| 2014-12-05 | MACK | Sale | 3,000 | 10.00 | 30,000 |
| 2014-11-18 | MACK | Sale | 1,000 | 9.00 | 9,000 |
| 2014-11-17 | MACK | Sale | 4,000 | 8.44 | 33,760 |
| 2014-11-18 | MACK | Option Ex | 1,000 | 1.71 | 1,710 |
| 2014-11-17 | MACK | Option Ex | 4,000 | 1.71 | 6,840 |
| 2014-10-23 | MACK | Option Ex | 3,000 | 1.71 | 5,130 |
| 2014-10-23 | MACK | Sale | 3,000 | 9.05 | 27,150 |
| 2014-10-15 | MACK | Option Ex | 4,000 | 1.71 | 6,840 |
| 2014-10-15 | MACK | Sale | 4,000 | 8.00 | 32,000 |
| 2014-09-24 | MACK | Sale | 12,000 | 8.22 | 98,640 |
| 2014-09-24 | MACK | Option Ex | 12,000 | 1.71 | 20,520 |
| 2014-08-26 | MACK | Option Ex | 24,000 | 1.25 | 30,000 |
| 2014-08-26 | MACK | Sale | 24,000 | 6.87 | 164,880 |
| 2014-05-27 | MACK | Sale | 16,000 | 8.00 | 128,000 |
| 2014-05-27 | MACK | Option Ex | 16,000 | 1.25 | 20,000 |
| 2013-04-29 | MACK | Option Ex | 5,000 | 2.19 | 10,950 |
| 2012-04-27 | MACK | Option Ex | 16,385 | 2.19 | 35,883 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Stewart Edward J. (SVP & Pres, Healthcare Sol of Merrimack Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.