Westamerica Bancorporation (WABC) SVP reports vesting of performance-based stock awards

Rhea-AI Filing Summary

Westamerica Bancorporation executive reports stock awards vesting. SVP/Human Resources Division Manager George S. Ensinger reported the acquisition of 1,412, 986, and 408 shares of Westamerica Bancorporation common stock on January 22, 2026, all at a price of $0 per share. These additions reflect prorated vesting of Restricted Performance Shares granted in 2023, 2024, and 2025 after the related performance criteria were met.

Following these awards, Ensinger directly held 7,721 common shares and had additional interests in 266.1956 directly held shares and 661.702 shares held indirectly through an ESOP. The filing shows routine compensation-related equity vesting rather than open-market buying or selling.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Ensinger George S

Role SVP/Human Resources Div. Mgr

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,412	$0.00	--
Grant/Award	Common Stock	986	$0.00	--
Grant/Award	Common Stock	408	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 6,327 shares (Direct); Common Stock — 661.702 shares (Indirect, ESOP)

Footnotes (1)

1. Includes shares from dividend reinvestment. Prorated vesting. 91.7% of the Restricted Performance Shares granted in 2023 have vested upon meeting performance criteria. Prorated vesting. 58.3% of the Restricted Performance Shares granted in 2024 have vested upon meeting performance criteria. Prorated vesting. 25% of the Restricted Performance Shares granted in 2025 have vested upon meeting performance criteria.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ensinger George S

(Last) (First) (Middle)

924 GARCIA DR.

(Street)

WOODLAND CA 95776

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTAMERICA BANCORPORATION [ WABC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP/Human Resources Div. Mgr

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	01/22/2026		A		1,412(2)	A	$0	6,327	D
Common Stock(1)	01/22/2026		A		986(3)	A	$0	7,313	D
Common Stock(1)	01/22/2026		A		408(4)	A	$0	7,721	D
Common Stock								266.1956	D
Common Stock								661.702	I	ESOP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes shares from dividend reinvestment.

2. Prorated vesting. 91.7% of the Restricted Performance Shares granted in 2023 have vested upon meeting performance criteria.

3. Prorated vesting. 58.3% of the Restricted Performance Shares granted in 2024 have vested upon meeting performance criteria.

4. Prorated vesting. 25% of the Restricted Performance Shares granted in 2025 have vested upon meeting performance criteria.

	/s/Anela Jonas, attorney-in-fact for Mr. Ensinger	01/26/2026
	** Signature of Reporting Person	Date
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