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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1040593	Carrizo Oil & Gas Inc	CRZO	Crude Petroleum & Natural Gas (1311)	760415919

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1481326	L. David Pitts	1000 Louisiana Street Suite 1500 Houston TX 77002	Vp & Chief Accounting Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-10-05	1,579	$0.00	10,131	No	4	A	Direct
Common Stock	Disposition	2011-10-06	404	$21.09	9,727	No	4	S	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Units	Acquisiton	2011-10-05	15,794	$0.00	15,794	$0.00
Common Stock	Stock Appreciation Rights	Acquisiton	2011-10-05	10,725	$0.00	10,725	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
15,794			No	4	A	Direct
10,725		2015-07-14	No	4	A	Direct

Footnotes

Each restricted stock unit represents a contingent right to receive one share of common stock. These restricted stock units vest in three equal installments on May 29, 2012, May 29, 2013 and May 29, 2014.
The sales reported in this Form 4 were effected to satisfy the reporting person's federal income tax obligations with respectively to the vesting of equity awards.
The stock appreciation rights are settled in cash.
The stock appreciation rights vest in three equal installments on May 29, 2012, May 29, 2013 and May 29, 2014.