Key facts
- This page summarizes Emily Nachlas's Form 4 filing for WESTERN ALLIANCE BANCORPORATION (WAL).
- 9 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 18 Aug 2026, 16:26.
Emily Nachlas - 15 Aug 2026 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)
- Reporting relationship
- Chief Risk Officer
- Issuer ticker
- WAL
- Reported as of
- 15 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 Aug 2026, 16:26:59 UTC
- Prior SEC filing
- 17 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/Jessica Jarvi (Attorney-in-fact)
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Emily Nachlas filed Form 4 for WESTERN ALLIANCE BANCORPORATION (WAL) on 18 Aug 2026.
Change
- Previous filing in this sequence was filed on 17 Jul 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001946843
Primary reporting owner
Nachlas Emily
- Relationship
- Chief Risk Officer
- Address
- C/O WESTERN ALLIANCE BANCORPORATION, ONE E. WASHINGTON STREET, STE 1400, PHOENIX
- Signature
- /s/Jessica Jarvi (Attorney-in-fact)
- Signature date
- 18 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
WAL
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +72
- Change %
- +0.43%
- Price
- $0.000000*
- Shares after
- 16,647
- Date
- 15 Aug 2026
- Ownership
- Direct
- Footnotes
- F1, F2
WAL
transaction
Common Stock
Disposed to Issuer
- Transaction value
- Shares
- -72
- Change %
- -0.43%
- Price
- $82.32*
- Shares after
- 16,575
- Date
- 15 Aug 2026
- Ownership
- Direct
WAL
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +53
- Change %
- +0.32%
- Price
- $0.000000*
- Shares after
- 16,628
- Date
- 15 Aug 2026
- Ownership
- Direct
- Footnotes
- F2, F3
WAL
transaction
Common Stock
Disposed to Issuer
- Transaction value
- Shares
- -53
- Change %
- -0.32%
- Price
- $82.32*
- Shares after
- 16,575
- Date
- 15 Aug 2026
- Ownership
- Direct
WAL
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +64
- Change %
- +0.39%
- Price
- $0.000000*
- Shares after
- 16,639
- Date
- 15 Aug 2026
- Ownership
- Direct
- Footnotes
- F2, F4
WAL
transaction
Common Stock
Disposed to Issuer
- Transaction value
- Shares
- -64
- Change %
- -0.38%
- Price
- $82.32*
- Shares after
- 16,575
- Date
- 15 Aug 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
WAL
transaction
Derivative
Cash Settled Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -72
- Change %
- -14%
- Price
- Shares after
- 429
- Date
- 15 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 72
- Exercise price
- Footnotes
- F1, F2
WAL
transaction
Derivative
Cash Settled Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -53
- Change %
- -5.3%
- Price
- Shares after
- 949
- Date
- 15 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 53
- Exercise price
- Footnotes
- F2, F3
WAL
transaction
Derivative
Cash Settled Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -64
- Change %
- -3.2%
- Price
- Shares after
- 1,921
- Date
- 15 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 64
- Exercise price
- Footnotes
- F2, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote 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.
Footnote F2
Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
Footnote 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.
Footnote F4
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.