{"cik":"0001748824","ticker":"AAMI","name":"Acadian Asset Management Inc.","sic_code":"6282","sic_description":"Investment Advice","exchange":"NYSE","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-05-18","last_filing_date":"2026-06-22","url":"/sec/cik-0001748824","insider_summary":{"total_transactions":16,"unique_insiders":5,"latest_transaction":"2026-08-04"},"recent_filings":[{"accession_number":"0001628280-26-053869","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-08-06","title":"10-Q — Acadian Asset Management Inc. — 2026-08-06","url_slug":"/sec/cik-0001748824/10-q/0001628280-26-053869","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-053869-index.html"},{"accession_number":"0001628280-26-053337","form_type":"4","form_type_family":"insider","doc_date":"2026-08-05","title":"4 — Acadian Asset Management Inc. — 2026-08-05","url_slug":"/sec/cik-0001748824/4/0001628280-26-053337","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-053337-index.html"},{"accession_number":"0001950047-26-007602","form_type":"144","form_type_family":"other","doc_date":"2026-08-04","title":"144 — Acadian Asset Management Inc. — 2026-08-04","url_slug":"/sec/cik-0001748824/144/0001950047-26-007602","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001950047-26-007602-index.html"},{"accession_number":"0000053417-26-000049","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-08-03","title":"SCHEDULE 13G/A — Acadian Asset Management Inc. — 2026-08-03","url_slug":"/sec/cik-0001748824/schedule-13g-a/0000053417-26-000049","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0000053417-26-000049-index.html"},{"accession_number":"0001973379-26-000271","form_type":"144","form_type_family":"other","doc_date":"2026-08-03","title":"144 — Acadian Asset Management Inc. — 2026-08-03","url_slug":"/sec/cik-0001748824/144/0001973379-26-000271","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001973379-26-000271-index.html"},{"accession_number":"0001628280-26-050801","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-30","title":"8-K — Acadian Asset Management Inc. — 2026-07-30","url_slug":"/sec/cik-0001748824/8-k/0001628280-26-050801","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-050801-index.html"},{"accession_number":"0001628280-26-043348","form_type":"4","form_type_family":"insider","doc_date":"2026-06-15","title":"4 — Chersi Robert J — 2026-06-15","url_slug":"/sec/cik-0001668247/4/0001628280-26-043348","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-043348-index.html"},{"accession_number":"0001628280-26-042548","form_type":"S-8 POS","form_type_family":"other","doc_date":"2026-06-11","title":"S-8 POS — Acadian Asset Management Inc. — 2026-06-11","url_slug":"/sec/cik-0001748824/s-8-pos/0001628280-26-042548","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-042548-index.html"},{"accession_number":"0001628280-26-042520","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-11","title":"8-K — Acadian Asset Management Inc. — 2026-06-11","url_slug":"/sec/cik-0001748824/8-k/0001628280-26-042520","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-042520-index.html"},{"accession_number":"0001628280-26-036160","form_type":"8-K","form_type_family":"current","doc_date":"2026-05-19","title":"8-K — Acadian Asset Management Inc. — 2026-05-19","url_slug":"/sec/cik-0001748824/8-k/0001628280-26-036160","edgar_url":"https://www.sec.gov/Archives/edgar/data/1748824/0001628280-26-036160-index.html"}],"related_endpoints":{"profile":"/sec/AAMI/profile","timeline":"/sec/AAMI/timeline","peers":"/sec/AAMI/peers","insider_pulse":"/sec/AAMI/insider-pulse","insider_summary":"/sec/AAMI/insider-summary","insider_transactions":"/sec/AAMI/insider-transactions","form144":"/sec/AAMI/form144","holdings_as_filer":"/sec/AAMI/holdings","financial_facts":"/sec/AAMI/financial-facts","derivatives":"/sec/AAMI/derivatives","officers":"/sec/AAMI/officers","insider_network":"/sec/AAMI/insider-network","risk_flags":"/sec/AAMI/risk-flags","filings":"/sec/AAMI/filings","cross_topic_dossier":"/api/v1/dossier?ticker=AAMI"}}