Live feed21:31:07·165dINSIDERFilingvia QuantisnowDirector Smith David P exercised 3,021 shares at a strike of $4.26 and returned $12,869 worth of shares to the company (3,021 units at $4.26) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.GTE· Gran Tierra Energy Inc.EnergyOriginal source