DALLAS--(BUSINESS WIRE)--WMIH Corp. (NASDAQ: WMIH) ("WMIH") today announced the completion of its previously-announced 1-for-12 reverse stock split. The reverse stock split, which was authorized by WMIH's board of directors on August 16, 2018, was approved by its stockholders on October 9, 2018. The reverse stock split reduces the number of shares of WMIH common stock outstanding from approximately 1,089,738,735 shares as of October 9, 2018, to approximately 90,811,562 shares outstanding after