Ulrik B. Nielsen, SVP and CSO at MERRIMACK PHARMACEUTICALS INC (MACK), sold 75,000 shares at $7.37 ($553K) on 2012-12-03, disclosed to the SEC on 2012-12-04.
Open-market sale of $553k MACK by SVP and CSO. 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 | 2017-09-13 | $310K | — | Filing → |
| MACK | SELL | 2015-07-22 | $214K | — | Filing → |
| MACK | SELL | 2015-06-19 | $481K | — | Filing → |