William A. Sullivan, CFO and Treasurer at MERRIMACK PHARMACEUTICALS INC (MACK), sold 15,000 shares at $10.70 ($161K) on 2014-12-24, disclosed to the SEC on 2014-12-29.
Open-market sale of $160k MACK by CFO and Treasurer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| MACK | SELL | 2015-06-15 | $160K | — | Filing → |
| MACK | SELL | 2015-05-19 | $186K | — | Filing → |
| MACK | SELL | 2015-04-15 | $193K | — | Filing → |