Samuel R. Rubio, VP- Controller & CAO at GULFMARK OFFSHORE INC (GLF), sold 720 shares at $48.30 ($35K) on 2012-03-14, disclosed to the SEC on 2012-03-16.
Seasonal sale ($35k) by VP- Controller & CAO — this insider has traded GLF in March in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
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