Michael E. Porter, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 11,909 shares at $9.00 ($106K) on 2014-11-21, disclosed to the SEC on 2014-11-24.
Open-market purchase of $106k MACK by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $8.76 | 6,234 | $55K | 51.7% |
| 2 | $9.00 | 5,675 | $51K | 48.3% |
| Total | $8.87 avg | 11,909 | $106K | 100% |
| Filing → |
| MACK | BUY | 2016-03-10 | $71K | — | Filing → |
| MACK | BUY | 2016-03-04 | $159K | — | Filing → |
| MACK | BUY | 2016-03-02 | $122K | — | Filing → |