MICHAEL E PORTER Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of MICHAEL E PORTER. MICHAEL E PORTER is Director in MERRIMACK PHARMACEUTICALS INC ($MACK).
Latest Insider Trading Transactions of MICHAEL E PORTER
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 04 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 8.71 | 8,000 | 69,680 | 633,164 | 625.2 K to 633.2 K (+1.28 %) |
| Nov 24 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 9.00 | 5,675 | 51,075 | 625,164 | 619.5 K to 625.2 K (+0.92 %) |
| Nov 24 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 8.76 | 6,234 | 54,610 | 619,489 | 613.3 K to 619.5 K (+1.02 %) |
| Nov 18 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 8.29 | 5,000 | 41,450 | 613,255 | 608.3 K to 613.3 K (+0.82 %) |
| Nov 13 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 8.37 | 40,000 | 334,800 | 608,255 | 568.3 K to 608.3 K (+7.04 %) |
| Jun 24 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.84 | 32,390 | 221,548 | 568,255 | 535.9 K to 568.3 K (+6.04 %) |
| May 16 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.50 | 5,000 | 32,500 | 535,865 | 530.9 K to 535.9 K (+0.94 %) |
| May 16 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.49 | 10,000 | 64,900 | 530,865 | 520.9 K to 530.9 K (+1.92 %) |
| May 15 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | A | 6.63 | 30,268 | 200,677 | 30,268 | |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | M | 2.12 | 5,000 | 10,600 | 0 | |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | M | 1.81 | 2,500 | 4,525 | 0 | |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | M | 2.59 | 2,500 | 6,475 | 0 | |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | M | 1.71 | 10,000 | 17,100 | 0 | |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.48 | 5,000 | 32,400 | 520,865 | 515.9 K to 520.9 K (+0.97 %) |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | M | 2.12 | 5,000 | 10,600 | 515,865 | 510.9 K to 515.9 K (+0.98 %) |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | M | 1.81 | 2,500 | 4,525 | 510,865 | 508.4 K to 510.9 K (+0.49 %) |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | M | 2.59 | 2,500 | 6,475 | 508,365 | 505.9 K to 508.4 K (+0.49 %) |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | M | 1.71 | 10,000 | 17,100 | 505,865 | 495.9 K to 505.9 K (+2.02 %) |
| May 09 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.70 | 5,000 | 33,500 | 495,865 | 490.9 K to 495.9 K (+1.02 %) |
| May 07 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.12 | 5,000 | 30,600 | 490,865 | 485.9 K to 490.9 K (+1.03 %) |
| May 05 2014 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.41 | 15,000 | 96,150 | 485,865 | 470.9 K to 485.9 K (+3.19 %) |
| Dec 18 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 4.80 | 12,500 | 59,939 | 470,865 | 458.4 K to 470.9 K (+2.73 %) |
| Dec 18 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 4.71 | 12,500 | 58,873 | 458,365 | 445.9 K to 458.4 K (+2.80 %) |
| Dec 11 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 4.38 | 18,000 | 78,840 | 445,865 | 427.9 K to 445.9 K (+4.21 %) |
| Dec 04 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 4.25 | 5,000 | 21,253 | 427,865 | 422.9 K to 427.9 K (+1.18 %) |
| Dec 04 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 4.17 | 70,000 | 291,655 | 422,865 | 352.9 K to 422.9 K (+19.84 %) |
| Dec 02 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 3.79 | 25,000 | 94,830 | 352,865 | 327.9 K to 352.9 K (+7.63 %) |
| Dec 02 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 3.51 | 50,000 | 175,355 | 327,865 | 277.9 K to 327.9 K (+17.99 %) |
| Jun 13 2013 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | A | 5.41 | 30,268 | 163,750 | 30,268 | |
| Dec 18 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | M | 2.19 | 15,000 | 32,850 | 0 | |
| Dec 18 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | M | 2.19 | 15,000 | 32,850 | 277,865 | 262.9 K to 277.9 K (+5.71 %) |
| Dec 12 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 6.08 | 10,000 | 60,800 | 262,865 | 252.9 K to 262.9 K (+3.95 %) |
| Aug 27 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | A | 7.53 | 21,300 | 160,389 | 21,300 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | C | 0.00 | 28,570 | 0 | 0 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | C | 0.00 | 33,000 | 0 | 0 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | C | 0.00 | 25,000 | 0 | 0 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | C | 0.00 | 34,286 | 0 | 0 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Option Exercise | C | 0.00 | 56,509 | 0 | 0 | |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | C | 0.00 | 28,570 | 0 | 252,865 | 224.3 K to 252.9 K (+12.74 %) |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | C | 0.00 | 33,000 | 0 | 224,295 | 191.3 K to 224.3 K (+17.25 %) |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | C | 0.00 | 25,000 | 0 | 191,295 | 166.3 K to 191.3 K (+15.03 %) |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | C | 0.00 | 34,286 | 0 | 166,295 | 132 K to 166.3 K (+25.97 %) |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | C | 0.00 | 56,509 | 0 | 132,009 | 75.5 K to 132 K (+74.85 %) |
| Apr 05 2012 | MACK | MERRIMACK PHARMACE ... | PORTER MICHAEL E | Director | Buy | P | 7.00 | 12,500 | 87,500 | 75,500 | 63 K to 75.5 K (+19.84 %) |
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