{"schema_version":"secwatch.filing_event.v1","accession":"0001517302-23-000003","form_type":"8-K","ticker":"APAM","cik":"0001517302","company_name":"Artisan Partners Asset Management Inc.","filed_at":"2023-01-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:45.354663+00:00","generated_at":"2026-06-20T16:32:29.649545+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Artisan Partners appoints Samuel B. Sellers as EVP and COO; reports preliminary $127.9B AUM at Dec 31, 2022","bullets":["Samuel B. Sellers appointed EVP and COO effective Jan 10, 2023; previously VP and Head of Investment Operations since Jan 2021.","Preliminary AUM as of Dec 31, 2022 totaled $127.9B; Artisan Funds $60.8B, separate accounts $67.1B.","Largest strategies: International Value $30.2B, Global Value $21.4B, Global Opportunities $18.7B, High Income $7.0B."],"urls":{"canonical":"https://secwatch.observer/filing/0001517302-23-000003","json":"https://secwatch.observer/filing/0001517302-23-000003.json","markdown":"https://secwatch.observer/filing/0001517302-23-000003.md","text":"https://secwatch.observer/filing/0001517302-23-000003.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1517302/000151730223000003/0001517302-23-000003-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1517302/000151730223000003/apam-20230110.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T16:32:29.649545+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":[{"claim_id":"eaa364310b","claim":"Samuel B. Sellers was appointed as Executive Vice President and Chief Operating Officer at Artisan Partners Asset Management Inc..","evidence_excerpt":"On January 10, 2023, the board of directors of Artisan Partners Asset Management Inc. (the “Company”) appointed Samuel B. Sellers to serve as Executive Vice President of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1517302/000151730223000003/0001517302-23-000003-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}