Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Sep 15, 2026
Reporting period
Not applicable
Filed with the SEC
Sep 17, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001628280-26-062574
Filed / recorded
Sep 17, 2026, 9:02 PM UTC
Added to OQRO
Oct 6, 2026, 9:34 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
WESTERN ALLIANCE BANCORPORATION
Issuer CIK
1212545
Ticker
WAL
Reporting person
Emily Nachlas
Relationship
Officer
Officer title
Chief Risk Officer
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Sep 15, 2026
Transaction code
M
Shares / units
72
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
16,647
Ownership form
Direct
Amendment
No
Footnotes from the filing
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.
Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.