---
schema_version: "secwatch.filing_event.v1"
accession: "0001517302-25-000020"
form_type: "8-K"
ticker: "APAM"
cik: "0001517302"
company_name: "Artisan Partners Asset Management Inc."
filed_at: "2025-03-04T23:59:59+00:00"
generated_at: "2026-05-25T13:50:45.696669+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Artisan Partners names Jason Gottlieb CEO, Eric Colson becomes Executive Chair

## Summary
- Jason Gottlieb, current President, named CEO effective June 4, 2025; Eric Colson becomes Executive Chair.
- Stephanie DiMarco transitions from Chair to Lead Independent Director on same date.
- Gottlieb joined Artisan in 2016; previously a partner at Goldman Sachs.
- Compensation framework for Gottlieb and Colson will not change materially.
- Succession is culmination of long-term leadership plan, per Colson.

## SEC filing metadata
- accession: 0001517302-25-000020
- form_type: 8-K
- ticker: APAM
- cik: 0001517302
- company_name: Artisan Partners Asset Management Inc.
- filed_at: 2025-03-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/0001517302-25-000020-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/apam-20250303.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001517302-25-000020
- JSON: https://secwatch.observer/filing/0001517302-25-000020.json
- Plain text: https://secwatch.observer/filing/0001517302-25-000020.txt

## Key facts
- Executive change
  Eric R. Colson was appointed as Executive Chair and Chair of the Board at Artisan Partners Asset Management Inc..
  - Action: appointed
  - Role: Executive Chair and Chair of the Board
  source text: the Board has appointed Mr. Colson Executive Chair and Chair of the Board, effective as of Transition Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/0001517302-25-000020-index.htm
- Executive change
  Jason A. Gottlieb was elected as Director at Artisan Partners Asset Management Inc..
  - Action: elected
  - Role: Director
  source text: it is expected that Mr. Gottlieb will also be elected to the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/0001517302-25-000020-index.htm
- Executive change
  Jason A. Gottlieb was appointed as Chief Executive Officer at Artisan Partners Asset Management Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the Company’s board of directors (the “Board”) appointed Jason A. Gottlieb, currently President of the Company, to succeed Eric R. Colson as Chief Executive Officer effective June 4, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/0001517302-25-000020-index.htm
- Executive change
  Stephanie DiMarco changed role as Lead Independent Director at Artisan Partners Asset Management Inc..
  - Action: transition
  - Role: Lead Independent Director
  source text: Ms. DiMarco, currently Chair of the Board, will transition to Lead Independent Director as of the Transition Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1517302/000151730225000020/0001517302-25-000020-index.htm

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