X0306 4 2015-06-30 1 0001304740 Bridge Capital Holdings BBNK 0001464749 Williams Allen G 55 ALMADEN BLVD SAN JOSE CA 95113 0 1 0 0 EVP common stock 2015-06-30 4 D 0 40855 D 0 D stock options (right to buy) 5.1 2015-06-30 4 D 0 15000 30.52 D 2009-02-19 2019-02-19 common stock 15000 0 D In connection with the merger of Bridge Capital Holdings with and into Western Alliance Bancorporation on June 30, 2015 pursuant to the Agreement and Plan of Merger, dated March 9, 2015, as modified, between Western Alliance and Bridge Capital, the reporting person received, 33,276 shares of Western Alliance common stock, together with $97,643 in cash, in exchange for the aggregate number of shares of Bridge Capital common stock reported herein. Debra Bradford, as attorney 2015-07-02