| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Boothe Timothy W | Chief Administration Officer | ONE E. WASHINGTON ST., SUITE 1400, PHOENIX | /s/Jessica Jarvi (Attorney-in-fact) | 09 Feb 2026 | 0001364140 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAL | Common Stock | Award | $0 | +1,647 | +2.6% | $0.000000 | 64,849 | 05 Feb 2026 | Direct | |
| holding | WAL | Common Stock | 325 | 05 Feb 2026 | Alvina Boothe (spouse) |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAL | Cash Settled Restricted Stock Units | Award | +2,469 | 2,469 | 05 Feb 2026 | Common Stock | 2,469 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock. |
| F2 | These units vest and are payable solely in cash as follows: 1/36th on the 15th day of each month during the 36-month period beginning March 2026 and ending February 2029. |