Lenartz v. American Superconductor Corporation et al

  1. November 20, 2013

    American Superconductor To Pay $10M To Exit Securities Suit

    American Superconductor Corp. agreed Wednesday to pay $10 million to settle a proposed investor class action alleging the company inflated its stock price by hiding a fallout with its largest client, a Chinese wind turbine manufacturer.

  2. July 27, 2012

    American Superconductor Gets Investor Suit Pared Down

    A Massachusetts federal judge on Thursday dismissed Exchange Act claims against wind power company American Superconductor Corp. and several individual directors in investors' putative class action alleging a cover-up of a costly fallout with a major customer.

  3. December 16, 2011

    American Superconductor Can't Dodge Investor Suit

    A Massachusetts federal judge refused Friday to dismiss investors' proposed class action accusing wind power solutions provider American Superconductor Corp. and several of its directors and executives of hiding a costly fallout with a major customer.

  4. April 08, 2011

    Investor Sues AMSC Over Revenue Restatement

    An investor in wind turbine designer American Superconductor Corp. filed a class action against the company and its CEO on Wednesday in Massachusetts for allegedly hiding a costly falling-out with a major customer.