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Filing Details

Accession Number:: 0000011544-10-000087
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-11-12 10:12:36
Reporting Period:: 2010-11-10

Filing Date:: 2010-11-12
Accepted Time:: 2010-11-12 10:12:36
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
11544	Berkley W R Corp	WRB	Fire, Marine & Casualty Insurance (6331)	221867895

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1236251	G James Shiel	W. R. Berkley Corporation 475 Steamboat Road Greenwich CT 06830	Svp - Investments	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2010-11-10	63,282	$11.39	291,206	No	4	M	Direct
Common Stock	Disposition	2010-11-10	37,362	$27.69	253,844	No	4	S	Direct
Common Stock	Disposition	2010-11-11	7,000	$27.76	246,844	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	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	Employee Stock Option	Disposition	2010-11-10	63,282	$0.00	63,282	$11.39

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2012-04-03	No	4	M	Direct

Footnotes

This option was originally reported as covering 12,500 shares with an exercise price of $57.67 and has been adjusted to reflect the 3-for-2 stock splits of July 2002, August 2003, April 2005 and April 2006.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.64 to $27.74, inclusive. The reporting person undertakes to provide to W. R. Berkley Corporation, any security holder of W. R. Berkley Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.75 to $27.7721, inclusive. The reporting person undertakes to provide to W. R. Berkley Corporation, any security holder of W. R. Berkley Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.
Includes 115,813 restricted stock units, 43,313 of which have vested (the receipt of which has been deferred), and the balance of which are scheduled to vest as follows: 22,500 on December 5, 2010; 25,000 on December 17, 2012; and 25,000 on March 2, 2015.
Stock option grant vested in four equal installments on April 3, 2005, April 3, 2006, April 3, 2007 and April 3, 2008.