---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-180826"
form_type: "8-K"
ticker: "AMG"
cik: "0001004434"
company_name: "AFFILIATED MANAGERS GROUP, INC."
filed_at: "2025-08-14T23:59:59+00:00"
generated_at: "2026-05-17T12:42:49.135214+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# AMG appoints Marcy Engel to Board; Dwight Churchill retiring after 15 years

## Summary
- Marcy Engel appointed as independent director of AMG, effective September 30, 2025.
- Dwight D. Churchill retiring from Board effective same date; served since February 2010.
- Engel brings experience from Sculptor Capital, Eton Park, and Citigroup; no familial or transaction relationships.
- Engel will participate in standard director compensation program and enter indemnification agreement.

## SEC filing metadata
- accession: 0001193125-25-180826
- form_type: 8-K
- ticker: AMG
- cik: 0001004434
- company_name: AFFILIATED MANAGERS GROUP, INC.
- filed_at: 2025-08-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1004434/000119312525180826/0001193125-25-180826-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1004434/000119312525180826/d95092d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-180826
- JSON: https://secwatch.observer/filing/0001193125-25-180826.json
- Plain text: https://secwatch.observer/filing/0001193125-25-180826.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.