Company: MGRE
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0001004434-25-000021
Chunk: 7

Company: AFFILIATED MANAGERS GROUP, INC.
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 7
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.6%, of AMG stock,significantly exceeding the required level•Other NEOs currently hold 341,645 shares, or 1.2%, of AMGstock, significantly exceeding the respective required levels•Ownership by executives and independent directorscollectively more than doubled over the last 3 years |

Insider Share Ownership Reflects beneficial ownership of AMG’s common stock as of December 31, 2022, 2023, and 2024. Data for “Other NEOs” in 2022 and 2023 reflects ownership by John Erickson, Head of Affiliate Engagement, who was a named executed officer in such years, and excludes Mses. Ritchea and Padiyar, as they were first determined to be named executive officers for 2024. Data for “Executives and Directors” reflects ownership by the CEO, Other NEOs, and current independent directors. Percentage of shares outstanding for each of 2022, 2023, and 2024 is based on the Company’s shares of common stock outstanding as reported on the cover page of the Company’s Annual Report on Form 10-K for such year. +76% +185% +109% CEO Other NEOs Executives and Directors 0.7% 1.0% 1.5% 0.3% 1.1% 2.7% 1.6% 0.5% 1.1%

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| 2024 Compensation Program Overview and Enhancements                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| AMG meets with stockholders extensively throughout the year as part of our investor outreach, and we have a demonstrated history of integratingshareholder feedback into our executive compensation program design. In 2024, 97% of the votes cast by stockholders supported our Say-on-Payproposal, expressing strong ongoing support for our executive compensation program (following 98% and 97% stockholder support in 2023 and2022, respectively). Shareholders recognized the compensation program’s quantitative approach and clear pay-for-performance linkage, as wellas the significant integration of shareholder feedback over time.•Following the Compensation Committee’s 2021 redesign of AMG’s incentive determination process, and further enhancements for performanceyears 2022 and 2023, the approach has been widely well-received, with strong shareholder support for the increasingly simplified, transparentincentive determination process driven by pre-set, objective, rigorous