Western Alliance Bancorporation

WAL·NYSE·$79.58Share Price as of 11/2·$9BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/31/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202502/23/26 10-QQ3 ended 09/30/2511/03/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report10/19/26 8-KCurrent report07/30/26 8-KCurrent report07/21/26 8-KCurrent report06/11/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration05/08/24 S-8Registration of securities for employees08/01/23 424B5Prospectus supplement02/28/22 424B5Prospectus supplement11/19/21 424B5Prospectus supplement09/16/21

Proxies

DEF 14ADefinitive proxy04/22/26 DEFA14AAdditional proxy materials04/22/26 DEF 14ADefinitive proxy04/23/25 DEFA14AAdditional proxy materials04/23/25 PX14A6GLetter to shareholders04/26/24

Ownership

Form 4Insider transaction10/19/26 Form 4Insider transaction10/19/26 Form 4Insider transaction10/19/26 Form 4Insider transaction10/19/26 Form 4Insider transaction10/19/26

Other

ARSAnnual report to shareholders04/22/26 ARSAnnual report to shareholders04/23/25 ARSAnnual report to shareholders04/24/24 UPLOADLetter from the SEC02/07/24 CORRESPCorrespondence with the SEC02/05/24