Michael E. Porter, Director at MERRIMACK PHARMACEUTICALS INC (MACK), bought 30,000 shares at $6.48 ($105K) on 2014-05-08, disclosed to the SEC on 2014-05-09.
Open-market purchase of $105k 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 | $6.70 | 5,000 | $34K | 32.0% |
| 2 | $1.71 | 10,000 | $17K | 16.3% |
| 3 | $1.81 | 2,500 | $5K | 4.3% |
| 4 | $2.12 | 5,000 | $11K | 10.1% |
| 5 | $2.59 | 2,500 | $6K | 6.2% |
| 6 | $6.48 | 5,000 |
| $32K |
| 31.0% |
| Total | $3.49 avg | 30,000 | $105K | 100% |
| Filing → |
| MACK | BUY | 2016-03-10 | $71K | — | Filing → |
| MACK | BUY | 2016-03-04 | $159K | — | Filing → |
| MACK | BUY | 2016-03-02 | $122K | — | Filing → |