Western Standard LLC, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 31,952 shares at $11.36 ($363K) on 2023-01-30, disclosed to the SEC on 2023-03-01.
Open-market purchase of $363k MACK by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $11.36 | 4,985 | $57K | 15.6% |
| 2 | $11.36 | 4,985 | $57K | 15.6% |
| 3 | $11.36 | 19,750 | $224K | 61.8% |
| 4 | $11.40 | 450 | $5K | 1.4% |
| 5 | $11.40 | 1,782 | $20K | 5.6% |
| Total | $11.36 avg | 31,952 |
| $363K |
| 100% |
| Filing → |
| MACK | BUY | 2023-01-04 | $694K | — | Filing → |
| MACK | BUY | 2023-01-03 | $5.5M | — | Filing → |
| MACK | BUY | 2020-11-27 | $504K | — | Filing → |