144 0001806909 XXXXXXXX LIVE 0001748824 Acadian Asset Management Inc. 001-38979 260 FRANKLIN ST ACADIAN ASSET MANAGEMENT BOSTON MA 02109 6173697300 Wiater Christina PFO/PAO Common Stock Citigroup Global Markets, Inc

390 Greenwich St New York NY 10013

25370 2212625.90 35628988 08/03/2026 NYSE Common Stock 08/03/2026 Retained Shares Acadian Asset Management, Inc. N 25370 08/03/2026 Compensation Y On section securities to be sold Dates acquired and dates sold are on various dates 08/03/2026 Conformed Signature On File