| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Jan 24, 2022 | Buy | $4.24 | 14,287 | 60,630 | 36,968 | Jan 25, 2022, 04:13 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Sep 14, 2017 | Sale | $13.70 | 200 | 2,740 | 22,781 | Sep 15, 2017, 04:43 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Sep 15, 2017 | Option Exercise | $13.71 | 15,592 | 213,844 | 30,477 | Sep 15, 2017, 04:43 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Sep 11, 2017 | Option Exercise | $13.83 | 29,512 | 408,151 | 37,437 | Sep 13, 2017, 05:38 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Sep 13, 2017 | Sale | $13.74 | 13,600 | 186,796 | 29,481 | Sep 13, 2017, 05:38 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Jul 20, 2015 | Sale | $6.65 | 40,000 | 266,000 | 246,811 | Jul 22, 2015, 04:17 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Jun 19, 2015 | Sale | $7.29 | 80,000 | 583,200 | 266,811 | Jun 19, 2015, 09:04 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | May 19, 2015 | Option Exercise | $7.75 | 80,000 | 620,400 | 266,811 | May 19, 2015, 05:04 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Apr 20, 2015 | Option Exercise | $2.47 | 25,000 | 61,750 | 266,811 | May 18, 2015, 07:44 AM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Apr 20, 2015 | Sale | $7.33 | 80,000 | 586,100 | 266,811 | Apr 20, 2015, 07:40 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Mar 19, 2015 | Option Exercise | $6.84 | 80,000 | 547,200 | 266,811 | Mar 20, 2015, 04:57 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Mar 04, 2015 | Sale | $6.86 | 40,000 | 274,400 | 246,811 | Mar 06, 2015, 04:34 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | Director | Feb 23, 2015 | Sale | $6.31 | 40,000 | 252,400 | 246,811 | Feb 24, 2015, 04:20 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | SVP and CSO | Aug 26, 2014 | Option Exercise | $1.25 | 50,000 | 62,500 | 226,811 | Aug 28, 2014, 04:25 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | SVP and CSO | May 27, 2014 | Sale | $4.64 | 210,000 | 974,600 | 281,811 | May 29, 2014, 07:18 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | SVP and CSO | Apr 24, 2013 | Option Exercise | $3.79 | 20,966 | 79,524 | 187,294 | Apr 26, 2013, 05:18 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | SVP and CSO | Dec 03, 2012 | Sale | $7.37 | 75,000 | 552,750 | 176,811 | Dec 04, 2012, 04:06 PM | |
| MACK | MERRIMACK PHARMACEUTICALS INC | Nielsen Ulrik B. | SVP and CSO | Jul 16, 2012 | Option Exercise | $2.19 | 4,368 | 9,566 | 251,811 | Jul 17, 2012, 02:54 PM |
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