Christopherd T. Guiffre, Senior Vice President at CUBIST PHARMACEUTICALS INC (CBST), sold 3,000 shares at $21.41 ($64K) on 2006-02-01, disclosed to the SEC on 2006-02-02.
Open-market sale of $64k CBST by Senior Vice President. 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 → |
| CBST | SELL | 2007-05-31 | $338K | — | Filing → |
| CBST | SELL | 2007-02-01 | $200K | — | Filing → |
| CBST | SELL | 2006-09-01 | $61K | — | Filing → |