InsiderTrades

Form 4 for WAL WESTERN ALLIANCE BANCORPORATION

Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-15 · accession 0001628280-26-009121 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-18 2026-02-15 WAL Nachlas Emily CRO A - Grant $0.00 +1,514 17.0K +10% $0
DM 2026-02-18 2026-02-15 WAL Nachlas Emily CRO D - Sale to Iss $93.20 -125 16.6K -0.7% -$11.7K
DM 2026-02-18 2026-02-15 WAL Nachlas Emily CRO M - OptEx $0.00 +125 16.6K +0.8% $0
D 2026-02-18 2026-02-15 WAL Nachlas Emily CRO F - Tax $93.20 -422 16.6K -2% -$39.3K
DM 2026-02-18 2026-02-15 WAL Nachlas Emily CRO M - OptEx — -125 1,267 -9% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-15 A A 1,514 $0.00 16,997 D — —
2 Common Common Stock 2026-02-15 D D 72 $93.20 16,575 D — —
3 Common Common Stock 2026-02-15 M A 53 $0.00 16,628 D — — (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. (F2) Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
4 Common Common Stock 2026-02-15 D D 53 $93.20 16,575 D — —
5 Common Common Stock 2026-02-15 M A 72 $0.00 16,647 D — — (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.
6 Common Common Stock 2026-02-15 F D 422 $93.20 16,575 D — —
7 Derivative Cash Settled Restricted Stock Units 2026-02-15 M D 72 — 861 D — · — to — 72 Common Stock (F2) Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock. (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.
8 Derivative Cash Settled Restricted Stock Units 2026-02-15 M D 53 — 1,267 D — · — to — 53 Common Stock (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.