| 2023-01-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+100K sh | $11.90 | ▲+$1.19M | 1,119,586 |
| 2023-01-03 | MERRIMACK PHARMACEUTICALS INC | P | ▲+5,300 sh | $11.24 | ▲+$59.6K | 1,019,586 |
| 2022-12-30 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,300 sh | $11.24 | ▲+$14.6K | 1,014,286 |
| 2022-07-13 | MERRIMACK PHARMACEUTICALS INC | P | ▲+3,095 sh | $5.89 | ▲+$18.2K | 754,108 |
| 2022-07-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+2,816 sh | $5.86 | ▲+$16.5K | 751,013 |
| 2022-07-11 | MERRIMACK PHARMACEUTICALS INC | P | ▲+700 sh | $5.97 | ▲+$4,181.59 | 748,197 |
| 2022-07-08 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,378 sh | $5.99 | ▲+$8,249.121 | 747,497 |
| 2022-07-07 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,100 sh | $5.99 | ▲+$6,586.03 | 746,119 |
| 2022-06-30 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,550 sh | $5.76 | ▲+$8,921.49 | 745,019 |
| 2022-06-24 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,000 sh | $5.99 | ▲+$5,990 | 743,469 |
| 2022-06-23 | MERRIMACK PHARMACEUTICALS INC | P | ▲+500 sh | $6.00 | ▲+$3,000 | 742,469 |
| 2022-06-17 | MERRIMACK PHARMACEUTICALS INC | P | ▲+515 sh | $5.97 | ▲+$3,074.138 | 1,012,986 |
| 2022-06-17 | MERRIMACK PHARMACEUTICALS INC | P | ▲+385 sh | $5.97 | ▲+$2,298.142 | 741,969 |
| 2022-06-16 | MERRIMACK PHARMACEUTICALS INC | P | ▲+297 sh | $5.45 | ▲+$1,618.056 | 1,012,471 |
| 2022-06-16 | MERRIMACK PHARMACEUTICALS INC | P | ▲+223 sh | $5.45 | ▲+$1,214.904 | 741,584 |
| 2022-06-15 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,241 sh | $5.37 | ▲+$6,659.082 | 741,361 |
| 2022-06-15 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,659 sh | $5.37 | ▲+$8,902.028 | 1,012,174 |
| 2022-06-14 | MERRIMACK PHARMACEUTICALS INC | P | ▲+8,961 sh | $5.17 | ▲+$46.4K | 740,120 |
| 2022-06-14 | MERRIMACK PHARMACEUTICALS INC | P | ▲+12K sh | $5.17 | ▲+$62K | 1,010,515 |
| 2022-06-13 | MERRIMACK PHARMACEUTICALS INC | P | ▲+4,151 sh | $5.15 | ▲+$21.4K | 731,159 |
| 2022-06-13 | MERRIMACK PHARMACEUTICALS INC | P | ▲+5,548 sh | $5.15 | ▲+$28.6K | 998,538 |
| 2022-06-10 | MERRIMACK PHARMACEUTICALS INC | P | ▲+2,733 sh | $4.92 | ▲+$13.4K | 727,008 |
| 2022-06-10 | MERRIMACK PHARMACEUTICALS INC | P | ▲+3,653 sh | $4.92 | ▲+$18K | 992,990 |
| 2022-01-31 | MERRIMACK PHARMACEUTICALS INC | P | ▲+714 sh | $5.05 | ▲+$3,605.2 | 989,337 |
| 2022-01-31 | MERRIMACK PHARMACEUTICALS INC | P | ▲+523 sh | $5.05 | ▲+$2,640.784 | 724,275 |
| 2022-01-28 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,505 sh | $4.48 | ▲+$6,737.584 | 988,623 |
| 2022-01-28 | MERRIMACK PHARMACEUTICALS INC | P | ▲+11.5K sh | $4.48 | ▲+$51.3K | 723,752 |
| 2022-01-27 | MERRIMACK PHARMACEUTICALS INC | P | ▲+16.3K sh | $4.82 | ▲+$78.5K | 712,294 |
| 2022-01-26 | MERRIMACK PHARMACEUTICALS INC | P | ▲+19.5K sh | $5.01 | ▲+$97.8K | 696,022 |
| 2022-01-11 | MERRIMACK PHARMACEUTICALS INC | P | ▲+76.5K sh | $4.00 | ▲+$306K | 987,118 |
| 2022-01-11 | MERRIMACK PHARMACEUTICALS INC | P | ▲+14.7K sh | $4.00 | ▲+$58.9K | 676,494 |
| 2022-01-10 | MERRIMACK PHARMACEUTICALS INC | P | ▲+8,719 sh | $3.83 | ▲+$33.4K | 910,576 |
| 2022-01-10 | MERRIMACK PHARMACEUTICALS INC | P | ▲+5,960 sh | $3.83 | ▲+$22.9K | 661,766 |
| 2022-01-07 | MERRIMACK PHARMACEUTICALS INC | P | ▲+5,215 sh | $3.82 | ▲+$19.9K | 901,857 |
| 2022-01-07 | MERRIMACK PHARMACEUTICALS INC | P | ▲+3,565 sh | $3.82 | ▲+$13.6K | 655,806 |
| 2020-12-01 | MERRIMACK PHARMACEUTICALS INC | P | ▲+17.4K sh | $4.00 | ▲+$69.4K | 896,642 |
| 2020-12-01 | MERRIMACK PHARMACEUTICALS INC | P | ▲+12.4K sh | $4.00 | ▲+$49.7K | 652,241 |
| 2020-11-24 | MERRIMACK PHARMACEUTICALS INC | P | ▲+40.3K sh | $3.65 | ▲+$147K | 879,283 |
| 2020-11-24 | MERRIMACK PHARMACEUTICALS INC | P | ▲+28.8K sh | $3.65 | ▲+$105K | 639,824 |
| 2020-11-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+32.9K sh | $3.65 | ▲+$120K | 839,005 |
| 2020-11-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+23.6K sh | $3.65 | ▲+$85.9K | 611,015 |
| 2020-08-13 | MERRIMACK PHARMACEUTICALS INC | P | ▲+254 sh | $3.50 | ▲+$889 | 587,459 |
| 2020-08-13 | MERRIMACK PHARMACEUTICALS INC | P | ▲+354 sh | $3.50 | ▲+$1,239 | 806,071 |
| 2020-08-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+1,166 sh | $3.49 | ▲+$4,072.838 | 805,717 |
| 2020-08-12 | MERRIMACK PHARMACEUTICALS INC | P | ▲+834 sh | $3.49 | ▲+$2,913.162 | 587,205 |
| 2020-08-11 | MERRIMACK PHARMACEUTICALS INC | P | ▲+8,186 sh | $3.45 | ▲+$28.3K | 804,551 |
| 2020-08-11 | MERRIMACK PHARMACEUTICALS INC | P | ▲+5,856 sh | $3.45 | ▲+$20.2K | 586,371 |
| 2020-07-22 | MERRIMACK PHARMACEUTICALS INC | P | ▲+40.5K sh | $3.04 | ▲+$123K | 580,515 |
| 2020-07-22 | MERRIMACK PHARMACEUTICALS INC | P | ▲+33.4K sh | $3.20 | ▲+$107K | 540,027 |
| 2020-07-22 | MERRIMACK PHARMACEUTICALS INC | P | ▲+56.6K sh | $3.04 | ▲+$172K | 796,365 |