---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-049936"
form_type: "8-K"
ticker: "AMG"
cik: "0001004434"
company_name: "AFFILIATED MANAGERS GROUP, INC."
filed_at: "2025-03-07T23:59:59+00:00"
generated_at: "2026-05-25T02:42:47.963094+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# AMG files new shelf registration and extends $500M equity distribution program

## Summary
- Filed a new $500M at-the-market (ATM) equity program on March 7, 2025, replacing prior 2022 program.
- No shares were sold under the prior program; company has no current plans to issue under the new program.
- Program allows common stock sales through Barclays, BofA, Citigroup, J.P. Morgan, RBC, and Wells Fargo.
- Also entered into forward sale agreements with agents to facilitate potential future offerings.

## SEC filing metadata
- accession: 0001193125-25-049936
- form_type: 8-K
- ticker: AMG
- cik: 0001004434
- company_name: AFFILIATED MANAGERS GROUP, INC.
- filed_at: 2025-03-07T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1004434/000119312525049936/0001193125-25-049936-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1004434/000119312525049936/d784451d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-049936
- JSON: https://secwatch.observer/filing/0001193125-25-049936.json
- Plain text: https://secwatch.observer/filing/0001193125-25-049936.txt

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