Artisan Partners Asset Management Files AUM Update (Preliminary)

What Happened

• Artisan Partners Asset Management Inc. (APAM) filed a Form 8-K on August 11, 2026 (Item 8.01) to report that it issued a press release with information about the company's preliminary assets under management (AUM) as of July 31, 2026. The press release is attached to the filing as Exhibit 99.1 and is incorporated by reference. The filing was signed by Charles J. Daley, Jr., Executive Vice President, Chief Financial Officer and Treasurer.

Key Details

• Filing date: August 11, 2026 (Form 8-K, Item 8.01 — Other Events).
• Subject: Preliminary assets under management (AUM) as of July 31, 2026 (press release attached as Exhibit 99.1).
• Signature: Signed by Charles J. Daley, Jr., EVP, CFO and Treasurer.
• The filing does not include quarterly earnings or other financial statements in the body of the 8-K; the AUM detail is provided via the attached press release.

Why It Matters

• AUM is a key metric for asset managers because it helps determine management fees and overall revenue potential; updates can affect investor perception of growth or outflows.
• This 8-K alerts investors that updated AUM figures are available in the company’s press release (Exhibit 99.1); investors should review that release or the company’s investor relations site for the specific AUM number and any commentary on flows or performance.