WESTERN ALLIANCE BANCORPORATION 8-K

What Happened
Western Alliance Bancorporation (WAL) filed a Form 8-K (Regulation FD disclosure) saying it will discuss the information in the presentation attached as Exhibit 99.1 at its Investor Day on Tuesday, May 12, 2026 at 8:30 a.m. ET in New York, NY. The company noted the event will be available by conference call and live audio webcast and that the call will be recorded and made available for replay.

Key Details

• Investor Day date/time: May 12, 2026 at 8:30 a.m. ET in New York, NY.
• Presentation included: Exhibit 99.1 (Investor Presentation) filed with the 8-K.
• Access: Call dial-in 1-646-931-3860 (meeting code 85304590502#; passcode 553075#) or live webcast at https://westernalliance2026ird.q4web.com and via the company site. Participants encouraged to log in 15 minutes early.
• Filing signed by CFO Vishal Idnani on May 12, 2026.

Why It Matters
This 8-K makes the Investor Day materials and presentation publicly available under Regulation FD, so all investors can access the same information simultaneously. Retail investors who want management commentary or strategic updates (and any material financial or operational details discussed at the event) can listen to the webcast or review the attached presentation to stay informed.