Eric Andersen, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 103,885 shares at $12.32 ($1.3M) on 2023-11-10, disclosed to the SEC on 2023-11-14.
Open-market purchase of $1.3M 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 | $12.32 | 8,259 | $102K | 7.9% |
| 2 | $12.32 | 8,259 | $102K | 7.9% |
| 3 | $12.32 | 29,803 | $367K | 28.6% |
| 4 | $12.32 | 29,803 | $367K | 28.6% |
| 5 | $12.39 | 3,379 | $42K | 3.3% |
| 6 | $12.39 | 12,191 |
| $151K |
| 11.8% |
| 7 | $12.39 | 12,191 | $151K | 11.8% |
| Total | $12.34 avg | 103,885 | $1.3M | 100% |
| Filing → |
| MACK | BUY | 2023-12-11 | $2.6M | — | Filing → |
| MACK | BUY | 2023-08-09 | $2.7M | — | Filing → |
| AON | SELL | 2023-05-11 | $2.5M | — | Filing → |