---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-006660"
form_type: "8-K"
ticker: "WABC"
cik: "0000311094"
company_name: "WESTAMERICA BANCORPORATION"
filed_at: "2026-10-15T17:27:28+00:00"
generated_at: "2026-10-15T17:29:05.201922+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Westamerica Bancorporation Q3 2026 net income $28.2M, diluted EPS $1.22

## Summary
- Q3 2026 net income was $28.2 million and diluted EPS $1.22, versus Q2 2026 net income of $27.4 million and EPS of $1.17.
- Annualized net interest margin was 3.81%, a 4 basis point increase over Q2 2026, with cost of funding interest-earning assets at 0.26%.
- No provision for credit losses in Q3 2026; nonperforming assets were $476 thousand and the allowance for credit losses on loans was $10.5 million at September 30, 2026.
- Westamerica paid a $0.48 per common share dividend in Q3 2026 and retired 51 thousand common shares under its repurchase plan.
- Noninterest income rose to $10.7 million from $10.3 million, aided by a one-time merchant processing termination fee; noninterest expense was $26.2 million.

## SEC filing metadata
- accession: 0001171843-26-006660
- form_type: 8-K
- ticker: WABC
- cik: 0000311094
- company_name: WESTAMERICA BANCORPORATION
- filed_at: 2026-10-15T17:27:28+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/311094/000117184326006660/0001171843-26-006660-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/311094/000117184326006660/f8k_101526.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-006660
- JSON: https://secwatch.observer/filing/0001171843-26-006660.json
- Plain text: https://secwatch.observer/filing/0001171843-26-006660.txt

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