| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kennedy Barbara | Chief Human Resources Officer | ONE E. WASHINGTON ST., SUITE 1400, PHOENIX | /s/Jessica Jarvi (Attorney-in-fact) | 18 Feb 2026 | 0001379831 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAL | Common Stock | Award | $0 | +2,231 | +26% | $0.000000 | 10,954 | 15 Feb 2026 | Direct | |
| transaction | WAL | Common Stock | Tax liability | $57,970 | -622 | -5.7% | $93.20 | 10,332 | 15 Feb 2026 | Direct | |
| transaction | WAL | Common Stock | Options Exercise | $0 | +101 | +0.98% | $0.000000 | 10,433 | 15 Feb 2026 | Direct | F1, F2 |
| transaction | WAL | Common Stock | Disposed to Issuer | $9,413 | -101 | -0.97% | $93.20 | 10,332 | 15 Feb 2026 | Direct | |
| transaction | WAL | Common Stock | Options Exercise | $0 | +74 | +0.72% | $0.000000 | 10,406 | 15 Feb 2026 | Direct | F2, F3 |
| transaction | WAL | Common Stock | Disposed to Issuer | $6,897 | -74 | -0.71% | $93.20 | 10,332 | 15 Feb 2026 | Direct | |
| holding | WAL | Common Stock | 22,797 | 15 Feb 2026 | Barbara and Ted Kennedy TTEE Kennedy Family Trust |
| 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 | Options Exercise | -101 | -7.8% | 1,200 | 15 Feb 2026 | Common Stock | 101 | Direct | F1, F2 | |||
| transaction | WAL | Cash Settled Restricted Stock Units | Options Exercise | -74 | -4% | 1,761 | 15 Feb 2026 | Common Stock | 74 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | 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 2024 and ending February 2027. |
| F2 | Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock. |
| F3 | 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 2025 and ending February 2028. |