InsiderTrades

Form 4 for WAL WESTERN ALLIANCE BANCORPORATION

Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-15 · accession 0001628280-26-009126 · 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
DM 2026-02-18 2026-02-15 WAL Herndon Lynne Chief Credit Off D - Sale to Iss $93.20 -57 1,880 -3% -$5,312
DM 2026-02-18 2026-02-15 WAL Herndon Lynne Chief Credit Off M - OptEx $0.00 +57 1,915 +3% $0
DM 2026-02-18 2026-02-15 WAL Herndon Lynne Chief Credit Off M - OptEx — -57 530 -10% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-15 D D 22 $93.20 1,880 D — —
2 Common Common Stock 2026-02-15 M A 22 $0.00 1,902 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.
3 Common Common Stock 2026-02-15 M A 35 $0.00 1,915 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.
4 Common Common Stock 2026-02-15 D D 35 $93.20 1,880 D — —
5 Derivative Cash Settled Restricted Stock Units 2026-02-15 M D 35 — 402 D — · — to — 35 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.
6 Derivative Cash Settled Restricted Stock Units 2026-02-15 M D 22 — 530 D — · — to — 22 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.