Former Valeant CEO Sells Stock; Has He Lost Faith in the Company?

Has the former chief executive of Valeant Pharmaceuticals International ( VRX ) lost confidence in the drug maker? A recent stock sale by J. Michael Pearson , plus the move by Sequoia Fund ( SEQUX ) to exit its position has fueled some worries. But Pearson "remains a significant Valeant shareholder" with more than 3.5 million shares, according to a company statement .