Western Alliance Bancorporation(WAL) - 2019 Q1 - Quarterly Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2019 or o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from__________ to __________ Commission file number: 001-32550 WESTERN ALLIANCE BANCORPORATION (Exact name of registrant as specified in its char ...