---
schema_version: "secwatch.filing_event.v1"
accession: "0001212545-23-000115"
form_type: "8-K"
ticker: "WAL"
cik: "0001212545"
company_name: "WESTERN ALLIANCE BANCORPORATION"
filed_at: "2023-04-10T23:59:59+00:00"
generated_at: "2026-06-17T04:00:21.374586+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Patricia Arvielo resigns; Mary Tuuk Kuras appointed to board effective April 7, 2023

## Summary
- Resignation of director Patricia Arvielo effective April 7, 2023; no disagreement cited.
- Board appointed Mary Tuuk Kuras to fill vacancy until the 2023 annual meeting (June 14, 2023).
- Kuras appointed to Risk Management and Finance & Investment Committees, also to Western Alliance Bank board.
- Kuras will receive standard non-employee director compensation as described in prior proxy.

## SEC filing metadata
- accession: 0001212545-23-000115
- form_type: 8-K
- ticker: WAL
- cik: 0001212545
- company_name: WESTERN ALLIANCE BANCORPORATION
- filed_at: 2023-04-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000115/0001212545-23-000115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000115/wal-20230407.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001212545-23-000115
- JSON: https://secwatch.observer/filing/0001212545-23-000115.json
- Plain text: https://secwatch.observer/filing/0001212545-23-000115.txt

## Key facts
- Executive change
  Patricia Arvielo resigned as Director at WESTERN ALLIANCE BANCORPORATION.
  - Action: resigned
  - Role: Director
  source text: On April 7, 2023, Patricia Arvielo notified the Board of Directors (the “Board”) of Western Alliance Bancorporation (the “Company”) of her resignation from the Boards of Directors of the Company and Western Alliance Bank (the “Bank”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000115/0001212545-23-000115-index.htm
- Executive change
  Mary Tuuk Kuras was appointed as Director at WESTERN ALLIANCE BANCORPORATION.
  - Action: appointed
  - Role: Director
  source text: Also on April 7, 2023, the Board appointed Mary Tuuk Kuras as a director of the Company to fill the vacancy created by Ms. Arvielo’s resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000115/0001212545-23-000115-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.