Eric Andersen, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 202,100 shares at $12.85 ($2.6M) on 2023-12-07, disclosed to the SEC on 2023-12-11.
Open-market purchase of $2.6M 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 | $12.85 | 24,666 | $317K | 12.2% |
| 2 | $12.85 | 24,666 | $317K | 12.2% |
| 3 | $12.85 | 76,384 | $982K | 37.8% |
| 4 | $12.85 | 76,384 | $982K | 37.8% |
| Total | $12.85 avg | 202,100 | $2.6M | 100% |
| Filing → |
| MACK | BUY | 2023-11-14 | $1.3M | — | Filing → |
| MACK | BUY | 2023-08-09 | $2.7M | — | Filing → |
| AON | SELL | 2023-05-11 | $2.5M | — | Filing → |