Samuel R. Rubio, VP - Controller & CAO at GULFMARK OFFSHORE INC (GLF), sold 960 shares at $46.92 ($45K) on 2012-03-28, disclosed to the SEC on 2012-03-29.
Seasonal sale ($45k) 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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