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Home > Insider Trading > Filing (0001127602-10-011461)

Filing Details

Accession Number:: 0001127602-10-011461
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-04-20 13:00:00
Reporting Period:: 2010-04-16

Filing Date:: 2010-04-20
Accepted Time:: 2010-04-20 15:35:11
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
311094	Westamerica Bancorporation	WABC	National Commercial Banks (6021)	942156203

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1201516	A John Thorson	Westamerica Bancorporation 4550 Mangels Blvd 94534	Svp/Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-04-16	11,090	$38.74	11,121	No	4	M	Direct
Common Stock	Disposition	2010-04-16	11,090	$59.25	31	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Option (Right to Buy)	Disposition	2010-04-16	11,090	$0.00	11,090	$38.74

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-01-23	2012-01-23	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	415	Indirect	By Daughter R
Common Stock	415	Indirect	By Daughter S
Common Stock	6,941	Indirect	By Trust
Common Stock	327	Indirect	Esop