STOCK TITAN

Western Alliance CRO settles 189 stock units

Western Alliance’s Chief Risk Officer settled 189 cash-settled RSUs tied to WAL stock with no net share position change.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

WESTERN ALLIANCE BANCORPORATION (WAL) reported that Chief Risk Officer Emily Nachlas exercised cash settled restricted stock units on September 15, 2026, converting 189 units that are each the economic equivalent of one share of common stock. The same number of common shares were acquired at $0.00 per share through derivative exercises and then returned to the issuer in dispositions priced at $79.03 per share, resulting in no net change in share count. The units vest monthly over 36-month schedules payable solely in cash.

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Insider Nachlas Emily
Role Chief Risk Officer
Type Security Shares Price Value
Exercise Cash Settled Restricted Stock Units F2, F1 72 -- --
Exercise Cash Settled Restricted Stock Units F2, F3 53 -- --
Exercise Cash Settled Restricted Stock Units F2, F4 64 -- --
Exercise Common Stock F1, F2 72 $0.00 $0.00
Disposition Common Stock 72 $79.03 $6K
Exercise Common Stock F3, F2 53 $0.00 $0.00
Disposition Common Stock 53 $79.03 $4K
Exercise Common Stock F4, F2 64 $0.00 $0.00
Disposition Common Stock 64 $79.03 $5K
Holdings After Transaction: Cash Settled Restricted Stock Units — 3,110 contracts (Direct); Common Stock — 16,575 shares (Direct)
Footnotes (4)
  1. 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.
  2. F2. Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
  3. 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.
  4. 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.
Derivative units exercised 189 units Total cash settled restricted stock units exercised or converted on September 15, 2026
First RSU tranche 72 units Cash settled restricted stock units tied to common stock exercised and disposed September 15, 2026
Second RSU tranche 53 units Cash settled restricted stock units tied to common stock exercised and disposed September 15, 2026
Third RSU tranche 64 units Cash settled restricted stock units tied to common stock exercised and disposed September 15, 2026
Disposition price $79.03 per share Price reported for dispositions of 72, 53, and 64 WAL common shares to the issuer
Vesting schedule length 36 months Units vest and are payable solely in cash 1/36th monthly during each 36‑month period
Cash Settled Restricted Stock Units financial
"The security is described as Cash Settled Restricted Stock Units"
Cash-settled restricted stock units are employee compensation promises that mirror the value of company shares but pay out in cash instead of delivering actual stock once the units vest. Think of them as a future paycheck tied to the company’s share price that is paid after time or performance conditions are met. Investors watch them because they create future cash obligations for the company and avoid share dilution, both of which can affect earnings, cash flow and per-share metrics.
economic equivalent financial
"Each unit is the economic equivalent of one share of common stock"
Disposition to issuer financial
"Common Stock transaction code D with description Disposition to issuer"
Rule 10b5-1 plan regulatory
"The filing includes a Rule 10b5-1 checkbox indicating plan status"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did WAL’s Chief Risk Officer report on September 15, 2026?

The Chief Risk Officer reported exercising 189 cash settled restricted stock units into common stock and then returning 189 shares to the issuer in dispositions, resulting in no net change in share count.

How many WAL-linked units did Emily Nachlas exercise in this Form 4?

Emily Nachlas exercised 189 cash settled restricted stock units, consisting of tranches of 72, 53, and 64 units, each economically equivalent to one share of Western Alliance Bancorporation common stock.

What price is shown for the WAL common stock dispositions in this filing?

The dispositions to the issuer of WAL common stock are reported at $79.03 per share for tranches of 72, 53, and 64 shares, corresponding to settlement of the exercised cash settled restricted stock units.

Did the WAL Form 4 indicate trading under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as affirming a plan, and there is no footnote stating that these transactions were made pursuant to a Rule 10b5-1 trading arrangement.

How do the cash settled restricted stock units for WAL vest for the Chief Risk Officer?

The filing states that these units vest and are payable solely in cash, 1/36th on the 15th of each month over separate 36-month periods beginning in March 2024, March 2025, and March 2026, each ending three years later.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Nachlas Emily

(Last)(First)(Middle)
C/O WESTERN ALLIANCE BANCORPORATION
ONE E. WASHINGTON STREET, STE 1400

(Street)
PHOENIX ARIZONA 85004

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
WESTERN ALLIANCE BANCORPORATION [ WAL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Risk Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock09/15/2026M72(1)A$0(2)16,647D
Common Stock09/15/2026D72D$79.0316,575D
Common Stock09/15/2026M53(3)A$0(2)16,628D
Common Stock09/15/2026D53D$79.0316,575D
Common Stock09/15/2026M64(4)A$0(2)16,639D
Common Stock09/15/2026D64D$79.0316,575D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Cash Settled Restricted Stock Units(2)09/15/2026M72 (1) (1)Common Stock72(2)357D
Cash Settled Restricted Stock Units(2)09/15/2026M53 (3) (3)Common Stock53(2)896D
Cash Settled Restricted Stock Units(2)09/15/2026M64 (4) (4)Common Stock64(2)1,857D
Explanation of Responses:
1. 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.
2. Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
3. 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.
4. 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.
Remarks:
/s/Jessica Jarvi (Attorney-in-fact)09/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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