secwatch.observer — SEC 8-K summary ====================================== Issuer: Artisan Partners Asset Management Inc. (APAM) CIK: 0001517302 Form: 8-K Filed at: 2026-06-05T20:23:37+00:00 Accession: 0001517302-26-000100 Event type: other_material Sentiment: negative Materiality: 0.55 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Artisan Partners May AUM $186B; $5.7B sub-advisory mandate terminating in early June -------------------------------------------------------------------------------- - Preliminary AUM as of May 31, 2026: $186.0B, split $92.3B funds and $93.7B separate accounts. - A $5.7B U.S. sub-advisory mandate for Value Equity strategy expected to terminate in early June 2026. - Revenue impact from mandate loss expected to be muted due to the nature of the mandate and associated fees. - AUM includes $316.6M for which Artisan provides investment models to managed account sponsors (reported on a lag). Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1517302/000151730226000100/0001517302-26-000100-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1517302/000151730226000100/apam-20260605.htm HTML page: https://secwatch.observer/filing/0001517302-26-000100 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer