Western Standard Partners QP, L.P., Insider at MERRIMACK PHARMACEUTICALS INC (MACK), bought 193,933 shares at $6.63 ($1.3M) on 2021-04-14, disclosed to the SEC on 2021-09-20.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $6.63 | 6,495 | $43K | 3.4% |
| 2 | $6.63 | 40,805 | $271K | 21.5% |
| 3 | $6.63 | 40,805 | $271K | 21.5% |
| 4 | $6.39 | 52,914 | $338K | 26.8% |
| 5 | $6.39 | 52,914 | $338K | 26.8% |
| Total | $6.50 avg | 193,933 |
| $1.3M |
| 100% |
| Filing → |