The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Western Standard Partners Qp, L.p. since 2020.
This trader's CIK number is 1544857.
At the time of last reporting, Western Standard Partners Qp, L.p. was the Officer of Merrimack Pharmaceuticals Inc. (stock ticker symbol MACK).
Also see all insider trading activities at Merrimack Pharmaceuticals Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2023 | MACK | 655,823 | $7,934,604 | 0 | $0 | 0 | $0 |
| 2021 | MACK | 80,803 | $518,712 | 0 | $0 | 0 | $0 |
| 2020 | MACK | 276,844 | $893,292 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2023-12-28 | MACK | Buy | 857 | 13.35 | 11,440 |
| 2023-12-26 | MACK | Buy | 48,693 | 13.15 | 640,312 |
| 2023-12-07 | MACK | Buy | 101,050 | 12.85 | 1,298,492 |
| 2023-11-17 | MACK | Buy | 300 | 12.50 | 3,750 |
| 2023-11-14 | MACK | Buy | 50,170 | 12.50 | 627,125 |
| 2023-11-09 | MACK | Buy | 9,975 | 12.19 | 121,615 |
| 2023-11-08 | MACK | Buy | 13,823 | 12.13 | 167,700 |
| 2023-08-07 | MACK | Buy | 134,493 | 12.00 | 1,614,453 |
| 2023-08-08 | MACK | Buy | 87,057 | 12.00 | 1,044,335 |
| 2023-03-21 | MACK | Buy | 160,590 | 11.52 | 1,849,996 |
| 2023-01-30 | MACK | Buy | 24,708 | 11.36 | 280,633 |
| 2023-01-31 | MACK | Buy | 2,232 | 11.40 | 25,444 |
| 2023-01-27 | MACK | Buy | 21,875 | 11.40 | 249,309 |
| 2021-04-14 | MACK | Buy | 47,300 | 6.63 | 313,740 |
| 2021-04-13 | MACK | Buy | 9,874 | 6.26 | 61,781 |
| 2021-04-12 | MACK | Buy | 23,629 | 6.06 | 143,191 |
| 2020-11-12 | MACK | Buy | 56,490 | 3.65 | 206,188 |
| 2020-08-13 | MACK | Buy | 609 | 3.50 | 2,131 |
| 2020-08-12 | MACK | Buy | 2,000 | 3.49 | 6,986 |
| 2020-08-11 | MACK | Buy | 14,030 | 3.45 | 48,431 |
| 2020-07-22 | MACK | Buy | 177,274 | 3.12 | 553,449 |
| 2020-04-20 | MACK | Buy | 2,325 | 3.25 | 7,556 |
| 2020-04-21 | MACK | Buy | 1,424 | 3.25 | 4,628 |
| 2020-04-07 | MACK | Buy | 5,899 | 3.03 | 17,885 |
| 2020-04-06 | MACK | Buy | 6,043 | 3.00 | 18,110 |
| 2020-04-03 | MACK | Buy | 10,750 | 2.60 | 27,928 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Western Standard Partners Qp, L.p. (Officer of Merrimack Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.