WESTAMERICA BANCORPORATION — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-K
10-K/A
10-Q
11-K
144
15-12G
15-12G/A
3
4
4/A
424B3
424B5
425
5
8-A12B
8-A12G/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
NT 11-K
PRE 14A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| ARS | ARS | 0001174947-25-000337 | Mar 14, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008368 | Mar 5, 2025 | Mar 3, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008371 | Mar 5, 2025 | Mar 3, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008373 | Mar 5, 2025 | Mar 3, 2025 |
| 10-K | FORM 10-K | 0001171843-25-001156 | Feb 28, 2025 | Dec 31, 2024 |
| 8-K | FORM 8-K | 0001171843-25-001131 | Feb 27, 2025 | — |
| 3 | PRIMARY DOCUMENT | 0001127602-25-003335 | Feb 6, 2025 | Jan 27, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002604 | Jan 31, 2025 | Jul 22, 2024 |
| 4/A | PRIMARY DOCUMENT | 0001127602-25-002610 | Jan 31, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002034 | Jan 27, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002036 | Jan 27, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002040 | Jan 27, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002042 | Jan 27, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002032 | Jan 27, 2025 | Jan 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-002038 | Jan 27, 2025 | Jan 23, 2025 |
| 8-K | FORM 8-K | 0001171843-25-000392 | Jan 23, 2025 | — |
| 8-K | FORM 8-K | 0001171843-25-000393 | Jan 23, 2025 | — |
| 8-K | FORM 8-K | 0001171843-25-000282 | Jan 16, 2025 | — |
| 10-Q | FORM 10-Q | 0001171843-24-006167 | Nov 8, 2024 | Sep 30, 2024 |
| SC 13G/A | SC 13G | 0000052388-24-000209 | Nov 8, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-005810 | Oct 24, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-005682 | Oct 17, 2024 | — |
| 10-Q | FORM 10-Q | 0001171843-24-004595 | Aug 8, 2024 | Jun 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-021014 | Jul 25, 2024 | Jul 24, 2024 |
| 8-K | FORM 8-K | 0001171843-24-004138 | Jul 25, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-004008 | Jul 18, 2024 | — |
| 3 | PRIMARY DOCUMENT | 0001127602-24-020255 | Jul 9, 2024 | Jun 27, 2024 |
| 11-K | FORM 11-K | 0001171843-24-003698 | Jun 28, 2024 | Dec 31, 2023 |
| 8-K | FORM 8-K | 0001171843-24-003696 | Jun 28, 2024 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-24-019295 | Jun 26, 2024 | Jun 25, 2024 |
| 10-Q | FORM 10-Q | 0001171843-24-002705 | May 9, 2024 | Mar 31, 2024 |
| 8-K/A | FORM 8-K/A | 0001171843-24-002572 | May 6, 2024 | Apr 26, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-013728 | May 1, 2024 | Apr 29, 2024 |
| 144 | — | 0001921094-24-000549 | Apr 29, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-002292 | Apr 29, 2024 | Apr 26, 2024 |
| 8-K | FORM 8-K | 0001171843-24-002231 | Apr 25, 2024 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-24-013301 | Apr 24, 2024 | Apr 22, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-013300 | Apr 24, 2024 | Apr 23, 2024 |
| 144 | — | 0001921094-24-000538 | Apr 22, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-002083 | Apr 18, 2024 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-24-011279 | Mar 27, 2024 | Mar 26, 2024 |
| DEFA14A | DEFA14A | 0001174947-24-000349 | Mar 15, 2024 | — |
| DEF 14A | DEF 14A | 0001174947-24-000347 | Mar 15, 2024 | Apr 25, 2024 |
| ARS | ARS | 0001174947-24-000351 | Mar 15, 2024 | Dec 31, 2023 |
| 3 | PRIMARY DOCUMENT | 0001127602-24-010303 | Mar 15, 2024 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-24-008291 | Mar 4, 2024 | Mar 1, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-008279 | Mar 4, 2024 | Mar 1, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-24-008267 | Mar 4, 2024 | Mar 1, 2024 |
| 10-K | FORM 10-K | 0001171843-24-001054 | Feb 29, 2024 | Dec 31, 2023 |
| 3 | PRIMARY DOCUMENT | 0001127602-24-007360 | Feb 28, 2024 | Feb 22, 2024 |