---
schema_version: "secwatch.filing_event.v1"
accession: "0001212545-23-000113"
form_type: "8-K"
ticker: "WAL"
cik: "0001212545"
company_name: "WESTERN ALLIANCE BANCORPORATION"
filed_at: "2023-04-05T23:59:59+00:00"
generated_at: "2026-06-17T05:43:12.088980+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Western Alliance Q1 deposits $47.6B, down $6B from Dec; stabilized and grew after mid-March outflows

## Summary
- Total deposits $47.6B at March 31, 2023, vs $53.6B at Dec 31, 2022, a decline of $6.0B.
- Elevated net outflows around SVB and Signature closures in mid-March, concentrated in Tech & Innovation and Settlement Services groups.
- Deposits stabilized and grew ~$900M from March 20 to quarter end; additional $1.2B growth through April 4.
- Insured deposits (including collateralized and pass-through) now ~68% of total deposits, significantly higher than year-end.
- Reciprocal and collateralized deposits drove the increase in insured deposit proportion.

## SEC filing metadata
- accession: 0001212545-23-000113
- form_type: 8-K
- ticker: WAL
- cik: 0001212545
- company_name: WESTERN ALLIANCE BANCORPORATION
- filed_at: 2023-04-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000113/0001212545-23-000113-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000113/wal-20230405.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001212545-23-000113
- JSON: https://secwatch.observer/filing/0001212545-23-000113.json
- Plain text: https://secwatch.observer/filing/0001212545-23-000113.txt

## Key facts
- Earnings Releases
  WESTERN ALLIANCE BANCORPORATION reported preliminary financial results for first quarter 2023.
  - Period: first quarter 2023
  - Result: preliminary results
  source text: Western Alliance Bancorporation issues updated financial information: On April 5, 2023, Western Alliance Bancorporation (the “Company”) provided additional disclosure regarding certain preliminary financial results for the first quarter 2023, which is attached as Exhibit 99.1 to this Current Report on Form 8-K.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1212545/000121254523000113/0001212545-23-000113-index.htm

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