Westamerica officer proposes $454K share sale

The notice also reports 9,200 shares sold on July 24, 2026, during the prior three months, with an aggregate value of $556,964.00.

Rhea-AI Filing Summary

Curtis Belton, identified as an officer of Westamerica Bancorporation (WABC), reported a proposed sale of 7,400 common shares with an aggregate market value of $454,405.00; October 23, 2026, is listed as the approximate sale date. The shares are listed as acquired through an employee stock option exercise, and the transaction description states broker payment for a cashless exercise. The notice also reports 9,200 shares sold during the prior three months on July 24, 2026, with an aggregate value of $556,964.00.

Key Figures

Shares listed for sale: 7,400 shares Aggregate market value of shares listed for sale: $454,405.00 Shares sold during prior three months: 9,200 shares +1 more

4 metrics

Shares listed for sale 7,400 shares Common shares; approximate sale date October 23, 2026

Aggregate market value of shares listed for sale $454,405.00 Common shares listed for sale

Shares sold during prior three months 9,200 shares Sale dated July 24, 2026

Aggregate value of shares sold during prior three months $556,964.00 Sale dated July 24, 2026

Key Terms

Rule 144, Employee Stock Option Exercise, Cashless Exercise

3 terms

Rule 144 regulatory

"definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Employee Stock Option Exercise financial

"Employee Stock Option Exercise"

Cashless Exercise financial

"Broker Payment for Cashless Exercise"

A cashless exercise is a way for an option holder to convert stock options into actual shares without paying the purchase price in cash; instead they immediately give up a portion of the newly issued shares to cover the cost and any withholding taxes. Investors care because this process increases the number of shares available and can slightly dilute existing holdings, while also signaling how insiders or employees are realizing compensation without needing cash — similar to paying for a purchase by handing over part of what you just bought.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many WABC shares did Curtis Belton report for sale?

The notice lists 7,400 common shares for sale, with an aggregate market value of $454,405.00. October 23, 2026, is listed as the approximate sale date.

How many WABC shares did Curtis Belton sell during the prior three months?

The notice reports 9,200 shares sold on July 24, 2026, during the prior three months, with an aggregate value of $556,964.00.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/23/2026 - 05:08 PM EDT Accepted by SEC EDGAR 10/23/2026 - 05:08 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001738156
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	WESTAMERICA BANCORPORATION
SEC File Number	001-09383
Address of Issuer	1108 FIFTH AVE SAN RAFAEL CALIFORNIA 94901
Phone	(707) 863-6000
Name of Person for Whose Account the Securities are To Be Sold	Belton Curtis
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	7400	454405.00	23111153	10/23/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/23/2026	Employee Stock Option Exercise	WESTAMERICA BANCORPORATION			7400	10/23/2026	Broker Payment for Cashless Exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Curtis Belton 1108 FIFTH AVE SAN RAFAEL CA 94901	WESTAMERICA BANCORPORATION	07/24/2026	9200	556964.00

144: Remarks and Signature

Remarks
Date of Notice	10/23/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Curtis Belton
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)