Dynavax Accused Of Duping Investors About Hepatitis Vaccine

Law360, New York (June 19, 2013, 4:20 PM EDT) -- Dynavax Technologies Corp. investors hit the biopharmaceutical company with a putative class action Tuesday alleging it made false statements about its Heplisav vaccine for hepatitis B, causing its share price to plunge after it disclosed that regulators had safety concerns.

The suit, filed in California federal court, says Dynavax's stock traded at artificially high levels last year because the company misrepresented to the public that Heplisav was getting close to a commercial launch, while failing to report that its clinical trials of the vaccine were flawed....
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