Arthur L. Rosenthal, Director at CYBERONICS INC (CYBX), sold 15,561 shares at $41.24 ($642K) on 2012-06-08, disclosed to the SEC on 2012-06-12.
Seasonal sale ($642k) by Director — this insider has traded CYBX in June in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.