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Business
Pfenex Files For Initial Stock Offering
by Ann M. Thayer
June 16, 2014
| A version of this story appeared in
Volume 92, Issue 24
Pfenex, a San Diego-based biopharmaceutical firm, has filed a prospectus with the Securities & Exchange Commission for an initial public stock offering to raise up to $75 million. The company is a 2009 spin-off of Dow Chemical. Pfenex uses its core protein expression technology to manufacture recombinant proteins for biosimilars and antigens for vaccines. It also makes and sells research and reagent proteins.
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