Michael E. Porter, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 15,000 shares at $6.49 ($97K) on 2014-05-14, disclosed to the SEC on 2014-05-16.
Open-market purchase of $97k 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 | $6.49 | 10,000 | $65K | 66.6% |
| 2 | $6.50 | 5,000 | $33K | 33.4% |
| Total | $6.49 avg | 15,000 | $97K | 100% |
| Filing → |
| MACK | BUY | 2016-03-10 | $71K | — | Filing → |
| MACK | BUY | 2016-03-04 | $159K | — | Filing → |
| MACK | BUY | 2016-03-02 | $122K | — | Filing → |