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WESTAMERICA BANCORPORATION — 4 Filings

540 4 filings on record

This page lists all 4 filings submitted to the SEC by WESTAMERICA BANCORPORATION (WABC), sorted by most recent first. Each row links to the full filing on EdgarLookup. WESTAMERICA BANCORPORATION has filed 540 4 documents with the SEC since 2005. To view all SEC filings by WESTAMERICA BANCORPORATION, see the full filings list.

Overview All Filings Financials Insiders
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
4 PRIMARY DOCUMENT 0001127602-09-016142 Jul 27, 2009 Jul 24, 2009
4 PRIMARY DOCUMENT 0001127602-09-015857 Jul 21, 2009 Jul 16, 2009
4 PRIMARY DOCUMENT 0001127602-09-015642 Jul 17, 2009 Jul 16, 2009
4 PRIMARY DOCUMENT 0001127602-09-014397 Jun 23, 2009 Jun 22, 2009
4 PRIMARY DOCUMENT 0001127602-09-009973 Apr 29, 2009 Apr 28, 2009
4 PRIMARY DOCUMENT 0001127602-09-009678 Apr 24, 2009 Apr 22, 2009
4 PRIMARY DOCUMENT 0001127602-09-009643 Apr 24, 2009 Apr 22, 2009
4 PRIMARY DOCUMENT 0001127602-09-009623 Apr 23, 2009 Apr 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-009598 Apr 23, 2009 Apr 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-009064 Apr 9, 2009 Jan 26, 2009
4 PRIMARY DOCUMENT 0001127602-09-008530 Apr 2, 2009 Mar 31, 2009
4 PRIMARY DOCUMENT 0001127602-09-008522 Apr 2, 2009 Mar 31, 2009
4 PRIMARY DOCUMENT 0001127602-09-008342 Apr 2, 2009 Mar 31, 2009
4 PRIMARY DOCUMENT 0001127602-09-001956 Jan 29, 2009 Jan 28, 2009
4 PRIMARY DOCUMENT 0001127602-09-001755 Jan 27, 2009 —
4 PRIMARY DOCUMENT 0001127602-09-001684 Jan 26, 2009 —
4 PRIMARY DOCUMENT 0001127602-09-001677 Jan 26, 2009 —
4 PRIMARY DOCUMENT 0001127602-09-001618 Jan 26, 2009 —
4 PRIMARY DOCUMENT 0001127602-09-001614 Jan 26, 2009 —
4 PRIMARY DOCUMENT 0001127602-09-001526 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-001522 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-001519 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-001513 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-001504 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001127602-09-001499 Jan 22, 2009 Jan 21, 2009
4 PRIMARY DOCUMENT 0001283441-08-000073 Oct 6, 2008 Oct 2, 2008
4 PRIMARY DOCUMENT 0001283441-08-000072 Aug 13, 2008 Feb 20, 2008
4 PRIMARY DOCUMENT 0001283441-08-000071 Aug 8, 2008 Aug 6, 2008
4 PRIMARY DOCUMENT 0001283441-08-000070 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000069 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000068 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000067 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000066 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000065 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000064 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000063 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000062 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000061 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000060 Jul 29, 2008 Jul 25, 2008
4 PRIMARY DOCUMENT 0001283441-08-000059 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000058 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000057 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000056 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000055 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000054 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000053 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000052 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000051 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000050 Jul 28, 2008 Jul 24, 2008
4 PRIMARY DOCUMENT 0001283441-08-000049 Jul 28, 2008 Jul 24, 2008