552 F.3d 981 (9th Cir. 2009) Cited 1,400 times 7 Legal Analyses
Holding that "for individual defendants' stock sales to raise an inference of scienter, plaintiffs must provide a 'meaningful trading history' for purposes of comparison to the stock sales within the class period," and that "[e]ven if the defendant's trading history is simply not available, for reasons beyond a plaintiff's control, the plaintiff is not excused from pleading the relevant history"