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AI brief of an SEC Form 8-K · Westamerica Bank (WABC)

Westamerica Bancorporation names John Sousa treasurer as Robert Thorson retires

Neutral Impact 2 of 5 leadership Written later

Westamerica Bancorporation said Senior Vice President and Treasurer John “Robert” A. Thorson will retire effective January 24, 2025, after more than 35 years of service. The company named John Sousa to succeed him as Senior Vice President and Treasurer effective January 27, 2025. The change is an internal management succession that the filing does not tie to any financial result.

Key points

  • Robert Thorson retires as Senior Vice President and Treasurer effective January 24, 2025, after over 35 years of service
  • John Sousa appointed Senior Vice President and Treasurer effective January 27, 2025
  • Sousa joined the company in July 2024 as Vice President and Assistant Treasurer
  • Before joining, Sousa spent over thirteen years at Bank of the West handling investment portfolio management, wholesale funding and derivatives execution

The filing

CompanyWestamerica Bank (WABC)
Form8-K, current report
Filed with the SECJan 23, 2025, 3:46 PM ET
Accession number0001171843-25-000393

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 6:57 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 23, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.