Westamerica Bancorporation

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Westamerica Bancorporation
TickerWABC
CIK #0000311094
CUSIP957090103
SectorFinance - National Commercial Banks
Address1108 Fifth Ave, San Rafael, CA 94901
Source [EDGAR]
CIK Filing 2011 - 2026
[0000311094] 10-K
[0000311094] 10-Q
[0000311094] 3
[0000311094] 4
[0000311094] 5
[0000311094] 8-K
[0000311094] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Westamerica Bancorporation [2026-04-30] 0.0
Vanguard Portfolio Management LLC Westamerica Bancorporation [2026-04-29] 0.0
State Street Corp Westamerica Bancorporation [2025-05-13] 0.0
State Street Corp Westamerica Bancorporation [2025-02-05] 0.0
American Century Investment Management Inc Westamerica Bancorporation [2024-02-12] 5.46
BlackRock Inc Westamerica Bancorporation [2023-01-24] 14.1
BlackRock Inc Westamerica Bancorporation [2022-01-25] 14.6
American Century Investment Management Inc Westamerica Bancorporation [2021-02-11] 6.68
American Century Investment Management Inc Westamerica Bancorporation [2015-02-10] 6.3
State Street Corp Westamerica Bancorporation [2014-02-05] 5.9
State Street Corp Westamerica Bancorporation [2012-02-13] 4.1
Form 3/4/5 Filer 2011 - 2026
Westamerica Bancorporation
Baker Robert James Jr
Belton Curtis
Wondeh Inez
Welch Carter Andrew Mr
Donohoe Brian J
Ensinger George S
Jonas Anela Marya
Bowler E Joseph
Thorson John A
Mihalik Matthew John
Thorsen Cheryl Christine
Camsey Martin
Sousa John Joseph III
Belew Alisa Jane
Payne David L
Hassid Michele R
Chiesa Melanie Martella
Rizzardi Russell W
Leavitt Jesse
Bartolini Louis E
MAC Millan Catherine C
Sylvester Edward B
Hansen Dennis R
Schneck James J
Robinson David L
Finger Jennifer J
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Donohoe Brian J
Common Stock
2026-03-02 Tax withheld 1,010 $50.90 51,409
Ensinger George S
Common Stock
2026-03-02 Tax withheld 1,156 $50.90 58,840
Baker Robert James Jr
Common Stock
2026-03-02 Tax withheld 601 $50.90 30,591
Jonas Anela Marya
Common Stock
2026-02-24 Grant 15 $0.00
Belton Curtis
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 16,600 $51.15 849,090
Donohoe Brian J
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 20,500 $51.15 1,048,575
Ensinger George S
Common Stock
2026-01-22 Grant 1,412 $0.00
Ensinger George S
Common Stock
2026-01-22 Grant 408 $0.00
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 20,500 $51.15 1,048,575
Thorsen Cheryl Christine
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 6,900 $51.15 352,935
Donohoe Brian J
Common Stock
2026-01-22 Grant 2,040 $0.00
Ensinger George S
Common Stock
2026-01-22 Grant 986 $0.00
Jonas Anela Marya
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 23,500 $51.15 1,202,025
Baker Robert James Jr
Non-qualified Stock Option (Right to Buy) · derivative
2026-01-22 Grant 15,800 $51.15 808,170
Common Stock
2026-01-22 Grant 2,040 $0.00
Baker Robert James Jr
Common Stock
2026-01-22 Grant 1,360 $0.00
Thorson John A
Non-qualified Stock Option (Right to Buy) · derivative
2025-07-10 Option exercise 6,462 $0.00
Thorson John A
Non-qualified Stock Option (Right to Buy) · derivative
2025-07-09 Option exercise 10 $0.00
Thorson John A
Non-qualified Stock Option (Right to Buy) · derivative
2025-07-07 Option exercise 1,093 $0.00
Thorson John A
Non-qualified Stock Option (Right to Buy) · derivative
2025-07-03 Option exercise 2 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 204 18,265,296
2025-12-31 216 19,512,666
2025-09-30 216 19,357,845
2025-06-30 206 19,719,146
2025-03-31 206 20,279,408
2024-12-31 209 20,122,318
2024-09-30 195 19,980,128
2024-06-30 189 20,120,675
2024-03-31 192 21,915,464
2023-12-31 178 21,173,632
2023-09-30 178 19,834,783
2023-06-30 190 20,144,717
Form 13F Holdings
Firm Period DFND Voting Shares
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 467 18,131
Cypress Wealth Services LLC [2026-06-30] SOLE 0 16,613
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 11,693 11,693
Louisiana State Employees Retirement System [2026-06-30] SOLE 10,900 10,900
Alaska Retirement Management Board [2026-06-30] SOLE 8,783 8,783
Assenagon Asset Management SA [2026-06-30] SOLE 8,136 8,136
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 6,603 6,603
Yousif Capital Management LLC [2026-06-30] SOLE 1,472 6,299
Handelsbanken Fonder AB [2026-06-30] SOLE 0 5,530
Merit Financial Group LLC [2026-06-30] OTR 0 3,967
Gamma Investing LLC [2026-06-30] DFND 3,327 3,327
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,490
Merit Financial Group LLC [2026-06-30] SOLE 19 628
IFP Advisors LLC [2026-06-30] SOLE 482 482
Versant Capital Management Inc [2026-06-30] SOLE 196 196
True Wealth Design LLC [2026-06-30] SOLE 0 157
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 134
Fortitude Family Office LLC [2026-06-30] SOLE 99 99
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 81 81
First Horizon Corp [2026-06-30] DFND 0 55
Farmers & Merchants Investments Inc [2026-06-30] SOLE 15 15
Corecap Advisors LLC [2026-06-30] SOLE 0 10
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 6
Hughes Financial Services LLC [2026-06-30] SOLE 2 2
Davis Capital Management [2026-06-30] SOLE 1 1
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