Gerald Greenwald, Director at AETNA INC /PA/ (AET), sold 14,823 shares at $46.66 ($692K) on 2012-02-28, disclosed to the SEC on 2012-02-29.
Seasonal sale ($692k) by Director — this insider has traded AET in February in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.