AFFILIATED MANAGERS GROUP, INC. — Director's Dealing 2018

Jan 4, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP, INC. (AMG)
CIK: 0001004434
Period of Report: 2017-12-31

Reporting Person: DALTON NATHANIEL (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-12-31	Common Stock	M	6446	—	Acquired	219007	Direct
2017-12-31	Common Stock	M	10075	—	Acquired	229082	Direct
2018-01-02	Common Stock	F	9835	$205.25	Disposed	219247	Direct
2017-08-03	Common Stock	G	2747	—	Disposed	11505	Indirect
2017-11-09	Common Stock	G	1082	—	Disposed	10423	Indirect
2017-11-10	Common Stock	G	5412	—	Disposed	5011	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-12-31	Stock Units	$0	M	6446	Disposed		Common Stock (6446)	Direct
2017-12-31	Stock Units	$0	M	10075	Disposed		Common Stock (10075)	Direct

Footnotes

F1: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of certain previously reported awards.

F2: Reflects the vesting of an award previously reported in January 2015. Award vests in four equal installments from 2016 to 2019.

F3: Reflects a portion of an award previously reported in December 2013, which vests in four equal installments from 2018 to 2021.