Capital L.p. Samana, 10% Owner at IMMUNOGEN INC (IMGN), sold 3,500,000 shares at $8.64 ($30.2M) on 2009-07-31, disclosed to the SEC on 2009-07-31.
Open-market sale of $30.2M IMGN by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.