Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-12-26 Purchase | 2023-12-28 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 49,550 | $13.15 | $651,754 | 534,008 (Indirect) | View |
| 2023-12-07 Purchase | 2023-12-11 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 101,050 | $12.85 | $1,298,472 | 484,458 (Indirect) | View |
| 2023-11-17 Purchase | 2023-11-20 6:59 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 300 | $12.5 | $3,750 | 459,792 (Indirect) | View |
| 2023-11-14 Purchase | 2023-11-16 5:09 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 50,170 | $12.5 | $627,125 | 459,727 (Indirect) | View |
| 2023-11-10 Purchase | 2023-11-14 4:48 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 53,632 | $12.34 | $661,883 | 448,840 (Indirect) | View |
| 2023-11-08 Purchase | 2023-11-13 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 23,798 | $12.16 | $289,319 | 437,202 (Indirect) | View |
| 2023-08-07 Purchase | 2023-08-09 4:06 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 221,550 | $12 | $2,658,741 | 425,997 (Indirect) | View |
| 2023-03-21 Purchase | 2023-03-22 4:06 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 160,590 | $11.52 | $1,849,997 | 357,514 (Indirect) | View |
| 2023-01-30 Purchase(A) | 2023-03-01 5:04 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 26,967 | $11.36 | $306,375 | 324,333 (Indirect) | View |
| 2023-01-30 Purchase | 2023-02-01 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 26,940 | $11.36 | $306,068 | 324,306 (Indirect) | View |
| 2023-01-27 Purchase | 2023-01-31 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 21,875 | $11.4 | $249,298 | 318,898 (Indirect) | View |
| 2023-01-03 Purchase | 2023-01-04 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 30,632 | $11.33 | $347,159 | 314,488 (Indirect) | View |
| 2022-12-29 Purchase | 2023-01-03 4:16 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 259,936 | $10.67 | $2,774,716 | 306,269 (Indirect) | View |
| 2021-04-14 Purchase(A) | 2021-09-20 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 100,214 | $6.5046 | $651,857 | 269,338 (Indirect) | View |
| 2021-07-01 Sale(A) | 2021-09-20 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 52,914 | $6.39 | $338,120 | 269,338 (Indirect) | View |
| 2021-04-14 Purchase | 2021-04-16 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 47,300 | $6.6329 | $313,736 | 322,252 (Indirect) | View |
| 2021-04-13 Purchase | 2021-04-15 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 9,874 | $6.2568 | $61,780 | 1,222,348 (Indirect) | View |
| 2021-04-12 Purchase | 2021-04-14 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 23,629 | $6.0601 | $143,194 | 1,212,474 (Indirect) | View |
| 2020-11-24 Purchase | 2020-11-27 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 69,088 | $3.65 | $252,171 | 315,757 (Indirect) | View |
| 2020-11-12 Purchase | 2020-11-16 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 56,490 | $3.65 | $206,189 | 297,743 (Indirect) | View |
| 2020-08-13 Purchase | 2020-08-17 4:05 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 609 | $3.5 | $2,132 | 1,063,267 (Indirect) | View |
| 2020-08-11 Purchase | 2020-08-13 4:06 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 16,030 | $3.4575 | $55,423 | 1,062,658 (Indirect) | View |
| 2020-07-22 Purchase | 2020-07-24 6:59 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 177,274 | $3.1143 | $552,086 | 227,182 (Indirect) | View |
| 2020-04-20 Purchase | 2020-04-22 2:27 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 3,749 | $3.25 | $12,184 | 869,354 (Indirect) | View |
| 2020-04-07 Purchase | 2020-04-08 5:40 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 5,899 | $3.0318 | $17,885 | 865,605 (Indirect) | View |
| 2020-04-03 Purchase | 2020-04-07 7:23 pm | MERRIMACK PHARMACEUTICALS INC | MACK | Andersen Eric Western Standard LLC WESTERN STANDARD PARTNERS LP Western Standard Partners QP L.P. See remarks | 16,793 | $2.7411 | $46,032 | 859,706 (Indirect) | View |