What Changed
Price Move History
- Daily moves over 5%
- 1 252 sessions, September 11, 2025 to September 11, 2026
- Largest daily move
- +5.8% close of July 16, 2026
- 1-year change
- +19% closing prices, September 11, 2025 to September 11, 2026
- 5-year change
- +8.4% closing prices, September 10, 2021 to September 11, 2026
Company Description
Westamerica Bancorporation (NASDAQ: WABC) is a financial holding company based in San Rafael, California. According to company disclosures and public filings, Westamerica Bancorporation is the parent of Westamerica Bank, which operates commercial banking and trust offices throughout Northern and Central California. The company is classified in the commercial banking industry within the broader finance and insurance sector, and its common stock is listed on The Nasdaq Stock Market under the symbol WABC.
Business model and revenue sources
Available information indicates that Westamerica Bancorporation operates as a regional community bank. The Polygon description notes that the company has historically managed several billion dollars in assets and that its net revenue is generated primarily by net interest income. This means the bank’s core earnings come from the difference between interest earned on loans, investment securities and interest-bearing cash, and the interest paid on deposits and other funding sources.
Noninterest income is described as being driven in part by deposit service charges. Company financial highlights and press releases also refer to noninterest income as a recurring component of total revenue, alongside net interest income. Together, these sources form the basis of the bank’s earnings profile as reported in its periodic financial results.
Geographic footprint and client focus
Westamerica Bancorporation’s banking operations are concentrated in Northern and Central California. The Polygon description states that its footprint extends north of San Francisco to Mendocino and Lake counties, south to Kern County in Central California, and east to Nevada County. Company press releases consistently describe Westamerica Bank as operating banking and trust offices across these Northern and Central California markets.
The Polygon description further notes that the bank focuses mostly on commercial clients, such as smaller businesses. This emphasis on commercial relationships, combined with a regional branch and office network, characterizes Westamerica as a community-oriented institution serving business customers and other depositors within its California footprint.
Funding profile and operating approach
In multiple earnings releases, Westamerica Bancorporation highlights what it calls low-cost operating principles and a valuable low-cost deposit base. Management commentary in quarterly financial results refers to a significant share of deposits being held in noninterest-bearing checking accounts during the periods discussed. The company also reports a low annualized cost of funding its interest-earning loans, bonds and cash, and notes that operating expenses represent a relatively modest percentage of total revenues in the periods presented.
These disclosures indicate that Westamerica’s business model relies on maintaining a low cost of funds and controlled operating expenses. The company also reports metrics such as net interest margin, efficiency ratio, return on assets and return on common equity in its public financial highlights, reflecting a focus on profitability and capital efficiency within its regional banking strategy.
Credit quality and balance sheet composition
Westamerica Bancorporation’s financial highlights provide detail on credit quality and the composition of its earning assets. The company reports nonperforming assets and an allowance for credit losses on loans, and in several recent quarters it disclosed that it recognized no provision for credit losses or a reversal of provision. These disclosures, along with the reported levels of nonperforming assets and allowances, describe how the company manages credit risk within its loan portfolio.
The financial tables show that earning assets include total loans and a substantial portfolio of investment securities, along with interest-bearing cash. Loans are broken out into categories such as commercial loans, commercial real estate loans and consumer loans. Investment securities are reported across debt securities available for sale, debt securities held to maturity and equity securities. These categories illustrate how Westamerica allocates its balance sheet between lending activities and securities investments.
Deposits, capital and regulatory status
Westamerica Bancorporation’s public financial information details its deposit base, short-term borrowings and shareholders’ equity. Deposits include noninterest-bearing demand deposits, interest-bearing transaction accounts, savings and time deposits in various denominations. The company reports ratios such as loans-to-deposits, the proportion of demand deposits to total deposits and the share of transaction and savings deposits in total deposits.
Management commentary in earnings releases notes that Westamerica’s capital ratios are at levels described as exceeding the highest regulatory guidelines. While specific ratio values are provided in the company’s filings, the narrative emphasizes that capital is maintained at historically high levels relative to regulatory standards. SEC filings confirm that Westamerica Bancorporation is incorporated in California and that its common stock is registered under Section 12(b) of the Securities Exchange Act of 1934 and traded on Nasdaq under the symbol WABC.
Shareholder returns: dividends and share repurchases
Westamerica Bancorporation’s Board of Directors has authorized recurring quarterly cash dividends on its common stock. Press releases describe dividend declarations at specified per-share amounts, and management commentary links these dividends to the company’s financial strength, conservative risk profile and what it characterizes as a reliable earnings stream. The company also reports dividend payout ratios in its financial highlights.
In addition to dividends, Westamerica has announced stock repurchase plans. In separate press releases, the Board approved plans to repurchase up to a stated number of shares of common stock over defined periods, representing a specified percentage of shares outstanding at the time of authorization. These repurchases may be executed in open market transactions or privately negotiated deals. The company’s quarterly financial results also reference the number of common shares retired under repurchase plans during particular quarters.
Regulatory reporting and disclosures
Westamerica Bancorporation files periodic reports with the U.S. Securities and Exchange Commission, including annual reports on Form 10-K and quarterly reports on Form 10-Q. In its forward-looking statement disclosures within earnings releases, the company refers readers to these filings for detailed discussions of credit, interest rate, operational, liquidity and market risks associated with its business and operations. The company also cites legislative and regulatory frameworks such as the Dodd-Frank Wall Street Reform and Consumer Protection Act, the Sarbanes-Oxley Act and the Gramm-Leach-Bliley Act as part of the environment in which it operates.
Current reports on Form 8-K are used to furnish information about material events, including quarterly financial results, dividend declarations, stock repurchase authorizations and certain corporate governance matters such as the retirement of a member of the Board of Directors. These filings, together with the company’s press releases, provide ongoing transparency into Westamerica’s financial performance, capital management and governance developments.
Position within the commercial banking sector
Within the commercial banking and finance and insurance sector, Westamerica Bancorporation is described as a regional community bank with a focus on commercial clients and a defined geographic footprint in Northern and Central California. Its business model, as reflected in public information, combines net interest income from loans and securities, noninterest income such as deposit service charges, a low-cost funding base and disciplined expense management.
For investors and observers seeking to understand WABC stock, key themes in the company’s disclosures include its emphasis on conservative risk management, recurring profitability metrics, capital strength, shareholder distributions through dividends and repurchases, and concentration in specific California markets. These elements, documented in the company’s news releases, financial highlights and SEC filings, form the core of Westamerica Bancorporation’s profile as a publicly traded commercial banking institution.
Stock Performance
Westamerica Bancorporation (WABC) closed at $59.09 on September 11, 2026. Over the past 12 months, the price has gained 19.0%.
WABC Metrics & Rankings
Price returns through September 11, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Westamerica Bancorporation has 10 recent news articles. Of the recent coverage, 7 articles coincided with positive price movement and 3 with negative movement. Key topics include dividends, earnings, buybacks, management. View all WABC news →
SEC Filings
Westamerica Bancorporation has filed 5 recent SEC filings, including 1 Form 4, 1 Form 144, 1 Form SCHEDULE 13G/A, 1 Form SCHEDULE 13G. The most recent filing was submitted on August 14, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all WABC SEC filings →
Financial Highlights
Westamerica Bancorporation generated $258.1M in revenue in FY2025, and net income was $116.2M, reflecting a 45.0% net profit margin. Diluted earnings per share stood at $4.52. The company generated $121.9M in operating cash flow.
Upcoming Events
Share repurchase plan expiry
Stock repurchase program expiry
Westamerica Bancorporation has 2 upcoming scheduled events. The next event, "Share repurchase plan expiry", is scheduled for December 31, 2026 (in 110 days). 2 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the WABC stock price.
Short Interest History
Short interest in Westamerica Bancorporation (WABC) currently stands at 815.1 thousand shares, down 5.8% from the previous reporting period, representing 3.7% of the float. Since September 2025, short interest has increased by 109.8%. This relatively low short interest suggests limited bearish sentiment. The 6.5 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for Westamerica Bancorporation (WABC) currently stands at 6.5 days, up 57.2% from the previous period. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The days to cover has increased 100% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.7 to 6.5 days.
WABC Company Profile & Sector Positioning
Westamerica Bancorporation (WABC) operates in the Banks - Regional industry within the broader Financial Services sector and is listed on the NASDAQ. Among dividend-paying stocks, WABC ranks #980 by dividend yield.
Investors comparing WABC often look at related companies in the same sector, including Bank First Corporation (BFC), Byline Bancorp, Inc. (BY), QCR Holdings Inc (QCRH), Center Bancorp Inc (CNOB), and Dime Commercial Bancshares, Inc. (DCOM). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate WABC's relative position within its industry.