David Hallal, Chief Operating Officer at ALEXION PHARMACEUTICALS INC (ALXN), sold 1,980 shares at $171.15 ($339K) on 2015-02-10, disclosed to the SEC on 2015-02-12.
Seasonal sale ($339k) by Chief Operating Officer — this insider has traded ALXN in February in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
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