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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1401106	Mf Global Holdings Ltd.	MF	Security & Commodity Brokers, Dealers, Exchanges & Services (6200)	980551260

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1423686	Cadian Capital Management, Llc	461 Fifth Avenue 24Th Floor New York NY 10017		No	No	Yes	No
1533930	Eric Bannasch	C/O Cadian Capital Management, Llc 461 Fifth Avenue, 24Th Floor New York NY 10017		No	No	Yes	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	Disposition	2011-10-27	500,000	$1.41	20,342,754	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-27	166,300	$1.44	20,176,424	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-27	250,000	$1.51	19,926,424	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-27	2,000,000	$1.43	17,926,424	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-27	250,000	$1.46	17,676,424	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-28	1,798,124	$1.28	15,878,300	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-28	2,000,000	$1.31	13,878,300	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2011-10-28	750,000	$1.06	13,128,300	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote
No	4	S	Indirect	See Footnote

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	3.375% Convertible Senior Notes due 2018	Acquisiton	2011-10-27	2,000,000	$61.00	202,066	$9.90

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
3,000,000	2011-10-01	2018-08-01	No	4	P	Indirect

Footnotes

These securities are held in the accounts of several investment partnerships and investment funds (collectively, the "Investment Vehicles") for which Cadian Capital Management LLC ("Cadian") serves as investment manager. Eric Bannasch is the managing member of Cadian. Cadian and Mr. Bannasch may be deemed to beneficially own the securities held by the Investment Vehicles by virtue of Cadian's position as investment manager of the Investment Vehicles and Mr. Bannasch's status as the managing member of Cadian.