ALERT: Rowley Law PLLC is Investigating Proposed Acquisition of Portola Pharmaceuticals, Inc.

NEW YORK, May 5, 2020 /PRNewswire/ -- Rowley Law PLLC is investigating potential securities law violations by Portola Pharmaceuticals, Inc. (NASDAQ: PTLA) and its board of directors concerning the proposed acquisition of the company by Alexion Pharmaceuticals, Inc. (NASDAQ: ALXN). Stockholders will receive $18.00 for each share of Portola Pharmaceuticals stock that they hold. The transaction is valued at approximately $1.4 billion and is expected to close in the third quarter of 2020.

If you are a stockholder of Portola Pharmaceuticals, Inc. and are interested in obtaining additional information regarding this investigation, please visit us at: You may also contact Shane Rowley, Esq. at Rowley Law PLLC, 50 Main Street Suite 1000, White Plains, NY 10606, by email at, or by telephone at 914-400-1920 or 844-400-4643 (toll-free).  

Rowley Law PLLC represents shareholders nationwide in class actions and derivative lawsuits in complex corporate litigation. For more information about the firm and its attorneys, please visit

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