Enterprise record

WESTAMERICA BANCORPORATION

Public governance Claims and source records for this enterprise.

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Alpha ID: alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8Version: public-1As of: unavailable

20 published Claims3 sources

Key Claims

Board and committees

Source-backed public-market identity

Index memberships

Current memberships are attached to a specific security and listing. Announcements, effective dates, and removals remain distinct states; Alpha does not infer membership from company size, exchange, or reputation.

No current membership is published in Alpha's tracked index universe.

This is not evidence that the company is absent from every market index.

As of Sep 28, 2026. Rights-filtered public evidence only; no redistribution or model training is granted.

Only source-backed memberships with an explicit public redistribution basis are returned.

Evidence, history and coverage

Additional published Claims

Published evidence records

3 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.

  1. Alpha canonical company public projection

    canonical identity · Source published: Date unavailable · Retrieved: Sep 28, 2026

    Supports 3 claims
    • Legal Name: WESTAMERICA BANCORPORATION · Claim reviewed: Sep 28, 2026
    • Entity Status: Public listing published · Claim reviewed: Sep 28, 2026
    • Published Fact: US · Claim reviewed: Sep 28, 2026

  2. SEC DEF 14A 0001174947-26-000355

    sec def 14a · Source published: Mar 13, 2026 · Retrieved: Sep 14, 2026

    Supports 7 claims
    • Leadership Role: David L. Payne: Chairman of the Board, President and Chief Executive Officer · Claim reviewed: Sep 28, 2026
    • Leadership Role: Carter A. Welch: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Anela M. Jonas: Senior Vice President and Chief Financial Officer · Claim reviewed: Sep 28, 2026
    • Leadership Role: Brian Donohoe: Senior Vice President and Chief Information Officer · Claim reviewed: Sep 28, 2026
    • Leadership Role: David L. Payne: Chairman of the Board, President and Chief Executive Officer · Claim reviewed: Sep 28, 2026
    • Leadership Role: Robert Baker: Senior Vice President, Banking Division Manager · Claim reviewed: Sep 28, 2026
    • Leadership Role: Russell W. Rizzardi: Senior Vice President and Chief Credit Administrator · Claim reviewed: Sep 28, 2026

  3. DEF 14A wabc-20260313.htm

    sec proxy · Source published: Mar 13, 2026 · Retrieved: Sep 2, 2026

    Supports 10 claims
    • Leadership Role: Alisa Belew: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: E. Joseph Bowler: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Edward B. Sylvester: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Inez Wondeh: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Insider Trading: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Martin Camsey: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Martin Melanie Michele: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Melanie Martella Chiesa: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: Michele Hassid: Director · Claim reviewed: Sep 28, 2026
    • Leadership Role: San Francisco: Director · Claim reviewed: Sep 28, 2026