Western Standard LLC, Insider at MERRIMACK PHARMACEUTICALS INC (MACK), bought 609 shares at $3.50 ($2K) on 2020-08-13, disclosed to the SEC on 2020-08-17.
Open-market purchase of $2k MACK by Insider. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.
| Filing → |
| MACK | BUY | 2023-03-01 | $363K | — | Filing → |
| MACK | BUY | 2023-01-04 | $694K | — | Filing → |
| MACK | BUY | 2023-01-03 | $5.5M | — | Filing → |