Robert J. Perez, President & COO at CUBIST PHARMACEUTICALS INC (CBST), sold 15,000 shares at $49.98 ($750K) on 2013-05-20, disclosed to the SEC on 2013-05-22.
Seasonal sale ($750k) by President & COO — this insider has traded CBST in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| CBST | SELL | 2014-05-15 | $102K | — | Filing → |
| CBST | SELL | 2014-05-14 | $166K | — | Filing → |
| CBST | SELL | 2014-02-28 | $2.4M | — | Filing → |