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 |
2020-08-13 Purchase |
2020-08-17 4:05 pm |
MERRIMACK PHARMACEUTICALS INC | MACK | Levy Noah G. Newtyn Management LLC NEWTYN PARTNERS LP NEWTYN TE PARTNERS LP Newtyn Capital Partners LP Ledo Capital LLC See remarks |
608 | $3.5 | $2,128 | 587,459 (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 |
2020-08-11 Purchase |
2020-08-13 4:05 pm |
MERRIMACK PHARMACEUTICALS INC | MACK | Levy Noah G. Newtyn Management LLC NEWTYN PARTNERS LP NEWTYN TE PARTNERS LP Newtyn Capital Partners LP Ledo Capital LLC See remarks |
16,042 | $3.4575 | $55,466 | 587,205 (Indirect) |
View |
2020-07-22 Sale |
2020-07-24 7:03 pm |
MERRIMACK PHARMACEUTICALS INC | MACK | CROCKER GARY L See Remarks |
193,509 | $3.0824 | $596,465 | 0 (Indirect Direct) |
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 |
2020-07-22 Purchase |
2020-07-24 6:59 pm |
MERRIMACK PHARMACEUTICALS INC | MACK | Levy Noah G. Newtyn Management LLC NEWTYN PARTNERS LP NEWTYN TE PARTNERS LP Newtyn Capital Partners LP Ledo Capital LLC See remarks |
177,274 | $3.1143 | $552,087 | 580,515 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2020-07-30 Option Award |
2020-08-03 9:09 pm |
N/A 2030-07-29 |
MERRIMACK PHARMACEUTICALS INC | MACK | RAY RUSSELL T Director |
7,000 | $0 | 7,000 (Direct) |
View |
2020-07-30 Option Award |
2020-08-03 9:08 pm |
N/A 2030-07-29 |
MERRIMACK PHARMACEUTICALS INC | MACK | Nielsen Ulrik B. Director |
7,000 | $0 | 7,000 (Direct) |
View |
2020-07-30 Option Award |
2020-08-03 9:07 pm |
N/A 2030-07-29 |
MERRIMACK PHARMACEUTICALS INC | MACK | CROCKER GARY L See Remarks |
8,000 | $0 | 8,000 (Direct) |
View |