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Mailing Address 4550 MANGELS BLVD A-2Y FAIRFIELD CA 94585-1200
Business Address 1108 FIFTH AVE SAN RAFAEL CA 94901 (707) 863-6000
WESTAMERICA BANCORPORATION CIK#: 0000311094 (see all company filings)

SIC: 6021 - NATIONAL COMMERCIAL BANKS
State location: CA | State of Inc.: CA | Fiscal Year End: 1231
(CF Office: 02 Finance)
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Items 1 - 40  0000311094 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-002083 (34 Act)  Size: 699 KB
2024-04-18 001-09383
24853680
ARS  Documents Annual Report to Security Holders
Acc-no: 0001174947-24-000351 (34 Act)  Size: 3 MB
2024-03-15 001-09383
24752728
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001174947-24-000349 (34 Act)  Size: 771 KB
2024-03-15 001-09383
24752722
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001174947-24-000347 (34 Act)  Size: 2 MB
2024-03-15 001-09383
24752713
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001171843-24-001054 (34 Act)  Size: 23 MB
2024-02-29 001-09383
24698005
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-022297 (34 Act)  Size: 13 KB
2024-02-13 005-35188
24629926
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000052388-24-000133 (34 Act)  Size: 84 KB
2024-02-12 005-35188
24618571
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001171843-24-000410 (34 Act)  Size: 217 KB
2024-01-25 001-09383
24560684
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-001335 (34 Act)  Size: 13 KB
2024-01-23 005-35188
24551287
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-000294 (34 Act)  Size: 788 KB
2024-01-18 001-09383
24540690
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-23-007608 (34 Act)  Size: 195 KB
2023-12-19 001-09383
231496678
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-006860 (34 Act)  Size: 14 MB
2023-11-08 001-09383
231387121
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-23-006588 (34 Act)  Size: 186 KB
2023-11-01 001-09383
231367514
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001171843-23-006456 (34 Act)  Size: 217 KB
2023-10-26 001-09383
231349165
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-006310 (34 Act)  Size: 801 KB
2023-10-19 001-09383
231333932
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-010817 Size: 39 KB
2023-09-29
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-23-005952 (34 Act)  Size: 198 KB
2023-09-29 001-09383
231295026
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001171843-23-005827 Size: 69 KB
2023-09-21
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-010181 Size: 45 KB
2023-09-14
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-005096 (34 Act)  Size: 15 MB
2023-08-08 001-09383
231150695
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001171843-23-004726 (34 Act)  Size: 217 KB
2023-07-27 001-09383
231117126
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-004572 (34 Act)  Size: 936 KB
2023-07-20 001-09383
231098717
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0001171843-23-004259 (34 Act)  Size: 235 KB
2023-06-29 001-09383
231057762
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-23-003706 (34 Act)  Size: 194 KB
2023-06-02 001-09383
23987383
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-003090 (34 Act)  Size: 13 MB
2023-05-09 001-09383
23901412
8-K  Documents   Interactive Data Current report, items 5.03, 5.07, and 9.01
Acc-no: 0001171843-23-002689 (34 Act)  Size: 364 KB
2023-04-28 001-09383
23868095
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001171843-23-002625 (34 Act)  Size: 216 KB
2023-04-27 001-09383
23853824
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-002426 (34 Act)  Size: 621 KB
2023-04-20 001-09383
23832083
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-23-002043 (34 Act)  Size: 191 KB
2023-03-31 001-09383
23789110
ARS  Documents Annual Report to Security Holders
Acc-no: 0001174947-23-000394 (34 Act)  Size: 142 MB
2023-03-21 001-09383
23749345
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001174947-23-000370 (34 Act)  Size: 789 KB
2023-03-17 001-09383
23740837
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001174947-23-000368 (34 Act)  Size: 2 MB
2023-03-17 001-09383
23740836
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001171843-23-001285 (34 Act)  Size: 22 MB
2023-03-01 001-09383
23688906
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-23-002539 (34 Act)  Size: 7 KB
2023-02-14 005-35188
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-017302 (34 Act)  Size: 13 KB
2023-02-09 005-35188
23604660
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000052388-23-000071 (34 Act)  Size: 129 KB
2023-02-08 005-35188
23597371
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001171843-23-000505 (34 Act)  Size: 217 KB
2023-01-26 001-09383
23556645
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-002950 (34 Act)  Size: 13 KB
2023-01-24 005-35188
23547333
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-000330 (34 Act)  Size: 832 KB
2023-01-19 001-09383
23536619
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-22-007217 (34 Act)  Size: 14 MB
2022-11-08 001-09383
221368130