Chad and Trend,If you look at Liane's post on this thread, the link she posted will probably answer most of your questions.If you were eligible to get in on this suit,you should have been contacted by the claims administrator.You had to aquire shares between May 4,2010 and February 11,2011.You can contact them at 1-888-892 2969.

"Security and Time Period: MannKind Corporation ("MannKind") common stock (stock symbol: MNKD) purchased or otherwise acquired between May 4, 2010, and February 11, 2011, inclusive (the "Settlement Class Period"). "

http://agoracom.com/ir/Mannkind/forums/discussion/topics/575350-old-class-action-suit-question/messages/1805738#message