{"schema_version":"secwatch.filing_event.v1","accession":"0001517302-26-000100","form_type":"8-K","ticker":"APAM","cik":"0001517302","company_name":"Artisan Partners Asset Management Inc.","filed_at":"2026-06-05T20:23:37+00:00","discovered_at":"2026-06-05T20:25:00.427773+00:00","generated_at":"2026-06-05T20:33:58.839300+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Artisan Partners May AUM $186B; $5.7B sub-advisory mandate terminating in early June","bullets":["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)."],"urls":{"canonical":"https://secwatch.observer/filing/0001517302-26-000100","json":"https://secwatch.observer/filing/0001517302-26-000100.json","markdown":"https://secwatch.observer/filing/0001517302-26-000100.md","text":"https://secwatch.observer/filing/0001517302-26-000100.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1517302/000151730226000100/0001517302-26-000100-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1517302/000151730226000100/apam-20260605.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T20:33:58.839300+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}