8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): August 3, 2020

AFFILIATED MANAGERS GROUP, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction of Incorporation)

777 South Flagler Drive, West Palm Beach, Florida 33401

(Address of Principal Executive Offices)

(800) 345-1100

(Registrant’s Telephone Number, Including Area Code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

On August 3, 2020, Affiliated Managers Group, Inc. (the “Company”) announced the appointment of Tracy A. Atkinson to its Board of Directors, effective immediately.

Ms. Atkinson retired from State Street Corporation in March 2020, having held a series of leadership roles during her 12 years with the company. She joined State Street in 2008 as an Executive Vice President and held several roles during her tenure, including Chief Compliance Officer, Treasurer, and most recently Chief Administrative Officer. Prior to joining State Street Corporation in 2008, Ms. Atkinson served in various leadership positions at MFS Investment Management from 2004 to 2008, most recently as Senior Vice President, Treasurer and Chief Financial Officer – mutual funds, and as a Partner at PricewaterhouseCoopers from 1999 to 2004, having joined the firm in 1988. She currently serves on the boards of directors of the United States Steel Corporation and Raytheon Technologies, and previously served on the board of Raytheon Company from 2014 until the closing of the merger between Raytheon Company and United Technologies Corporation.

A copy of the press release announcing the foregoing is furnished as Exhibit 99.1 hereto.

Ms. Atkinson will participate in the Company’s customary director compensation program, as described in the Company’s proxy statement for its most recent Annual Meeting of Stockholders and in the Company’s periodic filings with the Securities and Exchange Commission. There is no arrangement or understanding between Ms. Atkinson or any other person pursuant to which she was elected as a director of the Company, and there are no familial relationships between Ms. Atkinson and any of the Company’s directors or executive officers.

(d) Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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EX-99.1

Exhibit 99.1

AMG Appoints Tracy A. Atkinson to its Board of Directors

WEST PALM BEACH, FL, August 3, 2020 – Affiliated Managers Group, Inc. (NYSE: AMG), a global asset management company, today announced the appointment of Tracy A. Atkinson to its Board of Directors, effective immediately.

Ms. Atkinson retired from State Street Corporation in March 2020, having held a series of leadership roles during her 12 years with the company. She joined State Street in 2008 as an Executive Vice President and held several roles during her tenure, including Chief Compliance Officer, Treasurer, and most recently Chief Administrative Officer. Prior to joining State Street Corporation in 2008, Ms. Atkinson served in various leadership positions at MFS Investment Management from 2004 to 2008, most recently as Senior Vice President, Treasurer and Chief Financial Officer – mutual funds, and as a Partner at PricewaterhouseCoopers from 1999 to 2004, having joined the firm in 1988. She currently serves on the boards of directors of the United States Steel Corporation and Raytheon Technologies, and previously served on the board of Raytheon Company from 2014 until the closing of the merger between Raytheon Company and United Technologies Corporation.

“We are delighted to welcome Tracy to AMG’s Board,” said Jay C. Horgen, President and Chief Executive Officer of AMG. “Tracy brings significant leadership experience from her career in the asset management industry, as well as a track record of service on public company boards, and we look forward to her perspectives further enhancing the Board’s expertise.”

About AMG

AMG is a global asset management company with equity investments in leading boutique investment management firms. AMG’s strategy is to generate long-term value by investing in leading independent active investment managers, through a proven partnership approach, and allocating resources across the Company’s unique opportunity set to the areas of highest growth and return. AMG’s innovative partnership approach allows each Affiliate’s management team to own significant equity in their firm while maintaining operational autonomy. In addition, AMG provides centralized assistance to its Affiliates on strategy, marketing, distribution, and product development. As of June 30, 2020, AMG’s aggregate assets under management were approximately $638 billion across a broad range of active, return-oriented strategies. For more information, please visit the Company’s website at www.amg.com.

Certain matters discussed in this press release may constitute forward-looking statements within the meaning of the federal securities laws, and could beimpacted by a number of factors, including those described under the section entitled “Risk Factors” in our most recent Annual Report on Form 10-K, as such factors may be updated from time to time inour periodic filings with the SEC, which are accessible on the SEC’s website at www.sec.gov. We undertake no obligation to publicly update or review any forward-looking statements, whether as a result of new information, future developments orotherwise, except as required by applicable law. From time to time, AMG may use its website as a distribution channel of material Company information. AMG routinely posts financial and other important information regarding the Company in theInvestor Relations section of its website at www.amg.com and encourages investors to consult that section regularly.