R. Colson - 31 Dec 2025 SCHEDULE 13D/A Report for Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share (APAM)

Filing Manager: R. Colson
Reporting Manager: Charles J. Daley Jr.
Security: Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share
Symbol: APAM
Shares outstanding: 71,344,735 shares
Disclosed Ownership: 7,277,163 shares
Ownership: 10%
Form type: SCHEDULE 13D/A
Filing time: 05 Jan 2026, 16:05:02 UTC
Date of event: 31 Dec 2025
SEC: View on sec.gov

Reporting Managers (3)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Eric R. Colson	10%	7,276,763	0	7,276,763	/s/ Eric R. Colson, by Lisa A. Moran as attorney-in-fact	Eric R. Colson, by Lisa A. Moran as attorney-in-fact	0001568880
Charles J. Daley Jr.	10%	7,277,163	400	7,276,763	/s/ Charles J. Daley Jr., by Lisa A. Moran as attorney-in-fact	Charles J. Daley Jr., by Lisa A. Moran as attorney-in-fact	0001206661
Jason A. Gottlieb	10%	7,276,763	0	7,276,763	/s/ Jason A. Gottlieb, by Lisa A. Moran as attorney-in-fact	Jason A. Gottlieb, by Lisa A. Moran as attorney-in-fact	0001695089