| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hynes Scott | Chief Financial Officer | 200 STATE STREET, SUITE 601A, BOSTON | /s/ Richard J. Hart, By POA for Scott Hynes | 18 Feb 2026 | 0002070843 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AAMI | Restricted Stock Units | Award | $0 | +4,888 | $0.000000 | 4,888 | 13 Feb 2026 | Common Stock | 4,888 | $0.000000 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc. |
| F2 | On February 13, 2026, the reporting person was granted 4,888 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. |