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Home > Insider Trading > Filing (0001179110-11-003040)

Filing Details

Accession Number:: 0001179110-11-003040
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-02-18 17:46:27
Reporting Period:: 2011-02-17

Filing Date:: 2011-02-18
Accepted Time:: 2011-02-18 17:46:27
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1004434	Affiliated Managers Group Inc	AMG	Investment Advice (6282)	043218510

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1201030	Nathaniel Dalton	C/O Affiliated Managers Group, Inc. 600 Hale Street Prides Crossing MA 01965	Executive V.p. And Coo	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	2011-02-17	60,000	$45.27	59,762	No	4	M	Direct
Common Stock	Disposition	2011-02-17	60,000	$111.46	59,762	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

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2011-02-17	60,000	$45.27	60,000	$45.27

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
55,000	2007-12-31	2014-07-27	No	4	M	Direct

Footnotes

The sale price reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $111.25 to $111.78. Specific transaction details will be provided to the SEC upon request.