AFFILIATED MANAGERS GROUP, INC. — Director's Dealing 2011

Mar 8, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP INC (AMG)
CIK: 0001004434
Period of Report: 2011-03-04

Reporting Person: MEYERMAN HAROLD J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-04	Common Stock	M	5625	$45.27	Acquired	633	Direct
2011-03-04	Common Stock	M	5625	$63.38	Acquired	633	Direct
2011-03-04	Common Stock	S	11250	$107.46	Disposed	633	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-04	Director Stock Option (Right to Buy)	$45.27	M	5625	Disposed	2014-07-27	Common Stock (5625)	Direct
2011-03-04	Director Stock Option (Right to Buy)	$63.38	M	5625	Disposed	2014-11-30	Common Stock (5625)	Direct

Footnotes

F1: The sale price reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $107.00 to $108.25. Specific transaction details will be provided to the SEC upon request.