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

Dec 13, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP INC (AMG)
CIK: 0001004434
Period of Report: 2011-12-09

Reporting Person: HEALEY SEAN M (Director, CEO and Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-09	Common Stock	M	2	$48.38	Acquired	48446	Direct
2011-12-09	Common Stock	M	1611	$62.04	Acquired	48446	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-09	Employee Stock Option (Right to Buy)	$48.38	M	2	Disposed	2015-11-03	Common Stock (2)	Direct
2011-12-09	Employee Stock Option (Right to Buy)	$62.04	M	1611	Disposed	2016-07-21	Common Stock (1611)	Direct