There have been 50 recent insider transactions recorded for Merrimack Pharmaceuticals, Inc. (MACK), including 50 buys and 0 sells. Total insider buying was valued at $4.64M and total insider selling at RSU Award.
Notable insiders with recent activity include Andersen Eric, Crocker Gary L, Nielsen Ulrik B.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — MACK
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2023-12-28 |
Andersen Eric |
Director |
Informative Buy |
857 |
$13.35 |
$11.44K |
534,008 |
| 2023-12-26 |
Andersen Eric |
Director |
Informative Buy |
48,693 |
$13.15 |
$640.31K |
533,151 |
| 2023-12-07 |
Andersen Eric |
Director |
Informative Buy |
24,666 |
$12.85 |
$316.95K |
484,458 |
| 2023-11-17 |
Andersen Eric |
Director |
Informative Buy |
65 |
$12.50 |
$812.50 |
459,792 |
| 2023-11-14 |
Andersen Eric |
Director |
Informative Buy |
10,887 |
$12.50 |
$136.09K |
459,727 |
| 2023-11-09 |
Andersen Eric |
Director |
Informative Buy |
2,165 |
$12.19 |
$26.4K |
437,202 |
| 2023-11-08 |
Andersen Eric |
Director |
Informative Buy |
9,040 |
$12.13 |
$109.67K |
435,037 |
| 2023-08-11 |
Crocker Gary L |
See Remarks |
Informative Buy |
2,000 |
$12.43 |
$24.87K |
133,105 |
| 2023-08-10 |
Crocker Gary L |
See Remarks |
Informative Buy |
2,000 |
$12.52 |
$25.04K |
133,105 |
| 2023-08-08 |
Andersen Eric |
Director |
Informative Buy |
18,626 |
$12.00 |
$223.44K |
425,997 |
| 2023-08-07 |
Andersen Eric |
Director |
Informative Buy |
49,857 |
$12.00 |
$598.47K |
407,371 |
| 2023-06-06 |
Crocker Gary L |
See Remarks |
RSU Award |
8,000 |
$12.48 |
$99.84K |
32,000 |
| 2023-06-06 |
Nielsen Ulrik B. |
Director |
RSU Award |
7,000 |
$12.48 |
$87.36K |
28,000 |
| 2023-06-06 |
Radeljevic Ana |
Director |
RSU Award |
7,000 |
$12.48 |
$87.36K |
14,000 |
| 2023-01-31 |
Andersen Eric |
Director |
Informative Buy |
450 |
$11.40 |
$5.13K |
324,306 |
| 2023-01-31 |
Andersen Eric |
Director |
Informative Buy |
450 |
$11.40 |
$5.13K |
324,333 |
| 2023-01-30 |
Andersen Eric |
Director |
Informative Buy |
4,958 |
$11.36 |
$56.31K |
323,856 |
| 2023-01-30 |
Andersen Eric |
Director |
Informative Buy |
4,985 |
$11.36 |
$56.62K |
323,883 |
| 2023-01-27 |
Andersen Eric |
Director |
Informative Buy |
4,410 |
$11.40 |
$50.26K |
318,898 |
| 2023-01-12 |
Levy Noah G. |
Director |
Informative Buy |
100,000 |
$11.90 |
$1.19M |
1,119,586 |
| 2023-01-06 |
Radeljevic Ana |
Director |
Informative Buy |
4,156 |
$12.03 |
$50K |
4,156 |
| 2023-01-03 |
Andersen Eric |
Director |
Informative Buy |
8,219 |
$11.33 |
$93.15K |
314,488 |
| 2023-01-03 |
Levy Noah G. |
Director |
Informative Buy |
5,300 |
$11.24 |
$59.56K |
1,019,586 |
| 2022-12-30 |
Andersen Eric |
Director |
Informative Buy |
8,270 |
$11.33 |
$93.72K |
306,269 |
| 2022-12-30 |
Levy Noah G. |
Director |
Informative Buy |
1,300 |
$11.24 |
$14.61K |
1,014,286 |
| 2022-12-29 |
Andersen Eric |
Director |
Informative Buy |
28,661 |
$10.55 |
$302.38K |
297,999 |
| 2022-07-13 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
3,095 |
$5.89 |
$18.23K |
754,108 |
| 2022-07-13 |
Ledo Capital, Llc |
Director |
Informative Buy |
3,095 |
$5.89 |
$18.23K |
754,108 |
| 2022-07-12 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
2,816 |
$5.86 |
$16.52K |
751,013 |
| 2022-07-11 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
700 |
$5.97 |
$4.18K |
748,197 |
| 2022-07-11 |
Ledo Capital, Llc |
Director |
Informative Buy |
2,816 |
$5.86 |
$16.52K |
751,013 |
| 2022-07-08 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
1,378 |
$5.99 |
$8.25K |
747,497 |
| 2022-07-07 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
1,100 |
$5.99 |
$6.59K |
746,119 |
| 2022-07-07 |
Ledo Capital, Llc |
Director |
Informative Buy |
1,378 |
$5.99 |
$8.25K |
747,497 |
| 2022-06-30 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
1,550 |
$5.76 |
$8.92K |
745,019 |
| 2022-06-30 |
Ledo Capital, Llc |
Director |
Informative Buy |
1,550 |
$5.76 |
$8.92K |
745,019 |
| 2022-06-24 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
1,000 |
$5.99 |
$5.99K |
743,469 |
| 2022-06-23 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
500 |
$6.00 |
$3K |
742,469 |
| 2022-06-23 |
Ledo Capital, Llc |
Director |
Informative Buy |
1,000 |
$5.99 |
$5.99K |
743,469 |
| 2022-06-17 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
385 |
$5.97 |
$2.3K |
741,969 |
| 2022-06-16 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
223 |
$5.45 |
$1.21K |
741,584 |
| 2022-06-16 |
Ledo Capital, Llc |
Director |
Informative Buy |
223 |
$5.45 |
$1.21K |
741,584 |
| 2022-06-15 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
1,241 |
$5.37 |
$6.66K |
741,361 |
| 2022-06-14 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
8,961 |
$5.17 |
$46.36K |
740,120 |
| 2022-06-14 |
Ledo Capital, Llc |
Director |
Informative Buy |
1,659 |
$5.37 |
$8.9K |
1,012,174 |
| 2022-06-13 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
4,151 |
$5.15 |
$21.37K |
731,159 |
| 2022-06-10 |
Levy Noah G. |
Other: See Remarks |
Informative Buy |
2,733 |
$4.92 |
$13.45K |
727,008 |
| 2022-06-10 |
Ledo Capital, Llc |
Director |
Informative Buy |
4,151 |
$5.15 |
$21.37K |
731,159 |
| 2022-06-09 |
Crocker Gary L |
See Remarks |
Informative Buy |
4,452 |
$5.15 |
$22.92K |
131,105 |
| 2022-06-07 |
Crocker Gary L |
See Remarks |
Informative Buy |
349 |
$5.14 |
$1.8K |
126,653 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
