{"transactions":[{"id":897485,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":65944,"kind":"person","name":"Young Kelly","position":1,"cik":"0002047359","reported_name":"Young Kelly","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2026-02-18T16:52:16.000Z","date":"2026-02-13","kind":"grant","planned":false,"acquired":true,"shares":48748,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On February 13, 2026, the reporting person was granted 48,748 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 13, 2027, February 13, 2028 and February 13, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On February 13, 2026, the reporting person was granted 48,748 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 13, 2027, February 13, 2028 and February 13, 2029."}],"balance_after":48748,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":48748},"source":{"system":"sec-edgar","filing":"0001628280-26-009181","document":"wk-form4_1771451533.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047359/000162828026009181/wk-form4_1771451533.xml","form_type":"4"}}]}