David R. Guyer, Executive Chairman at Ophthotech Corp. (OPHT), sold 3,516 shares at $3.24 ($11K) on 2018-01-03, disclosed to the SEC on 2018-01-04.
Seasonal sale ($11k) by Executive Chairman — this insider has traded OPHT in January in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
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