AFFILIATED MANAGERS GROUP, INC. — Director's Dealing 2015

Feb 25, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP, INC. (AMG)
CIK: 0001004434
Period of Report: 2015-02-23

Reporting Person: DALTON NATHANIEL (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-02-23	Common Stock	M	45875	$62.04	Acquired	67768	Direct
2015-02-23	Common Stock	S	45875	$215.72	Disposed	67768	Direct
2015-02-24	Common Stock	M	24292	$62.04	Acquired	67768	Direct
2015-02-24	Common Stock	S	24292	$218.66	Disposed	67768	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-23	Employee Stock Option (Right to Buy)	$62.04	M	45875	Disposed	2016-07-21	Common Stock (45875)	Direct
2015-02-24	Employee Stock Option (Right to Buy)	$62.04	M	24292	Disposed	2016-07-21	Common Stock (24292)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	41516	Indirect

Footnotes

F1: The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $215.00 to $216.95. Specific transaction details will be provided to the SEC upon request.

F2: The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $217.46 to $219.80. Specific transaction details will be provided to the SEC upon request.