---
schema_version: "secwatch.filing_event.v1"
accession: "0001517302-23-000097"
form_type: "8-K"
ticker: "APAM"
cik: "0001517302"
company_name: "Artisan Partners Asset Management Inc."
filed_at: "2023-11-30T23:59:59+00:00"
generated_at: "2026-06-07T19:50:46.649054+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Co-founder Andrew A. Ziegler retires from Artisan Partners board effective Nov 27, 2023

## Summary
- Andrew A. Ziegler retired from the board on November 27, 2023; no disagreement cited.
- Ziegler co-founded Artisan Partners in 1994; company expressed gratitude for his service.
- No replacement announced; board size reduced by one.

## SEC filing metadata
- accession: 0001517302-23-000097
- form_type: 8-K
- ticker: APAM
- cik: 0001517302
- company_name: Artisan Partners Asset Management Inc.
- filed_at: 2023-11-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1517302/000151730223000097/0001517302-23-000097-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1517302/000151730223000097/apam-20231127.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001517302-23-000097
- JSON: https://secwatch.observer/filing/0001517302-23-000097.json
- Plain text: https://secwatch.observer/filing/0001517302-23-000097.txt

## Key facts
- Executive change
  Andrew A. Ziegler retired as director at Artisan Partners Asset Management Inc..
  - Action: retired
  - Role: director
  source text: On November 27, 2023, Andrew A. Ziegler notified Artisan Partners Asset Management Inc. (the “Company”) of his decision to retire from the board of directors of the Company, effective November 27, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1517302/000151730223000097/0001517302-23-000097-index.htm

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