David R. Guyer, Executive Chairman at Ophthotech Corp. (OPHT), sold 17,678 shares at $2.58 ($46K) on 2017-07-05, disclosed to the SEC on 2017-07-05.
Seasonal sale ($46k) by Executive Chairman — this insider has traded OPHT in July in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
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