---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-002706"
form_type: "8-K"
ticker: "WABC"
cik: "0000311094"
company_name: "WESTAMERICA BANCORPORATION"
filed_at: "2026-04-24T23:59:59+00:00"
generated_at: "2026-05-15T04:17:38.713982+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Westamerica Bancorporation boosts stock buyback authorization by 2M shares, 11.8% of outstanding

## Summary
- Board approved 2,000,000 additional shares for repurchase; total remaining authorization 2,785,023 shares.
- Repurchase plan runs through December 31, 2026; shares may be bought on open market or privately.
- Increased authorization reflects financial strength and conservative risk profile, per CEO David Payne.
- Authorization represents 11.8% of common shares outstanding as of March 31, 2026.

## SEC filing metadata
- accession: 0001171843-26-002706
- form_type: 8-K
- ticker: WABC
- cik: 0000311094
- company_name: WESTAMERICA BANCORPORATION
- filed_at: 2026-04-24T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/311094/000117184326002706/0001171843-26-002706-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/311094/000117184326002706/f8k_042426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-002706
- JSON: https://secwatch.observer/filing/0001171843-26-002706.json
- Plain text: https://secwatch.observer/filing/0001171843-26-002706.txt

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