Form 4 for AAMI Acadian Asset Management Inc.
Accepted 2026-06-15 18:52:58 ET · period of report 2026-06-12 · accession 0001628280-26-043360 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-15 18:52 | 2026-06-15 | AAMI | Trebbi Barbara | Dir | G - Gift | $0.00 | -10.3K | 28.8K | -26% | $0 |
| DI | 2026-06-15 18:52 | 2026-06-15 | AAMI | Trebbi Barbara | Dir | G - Gift | $0.00 | +10.3K | 10.3K | New | $0 |
| D | 2026-06-15 18:52 | 2026-06-12 | AAMI | Trebbi Barbara | Dir | A - Grant | $0.00 | +1,288 | 1,288 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-06-15 | G | D | 10,260 | $0.00 | 28,797 | D | — | — | |
| 2 | Common | Common Stock | 2026-06-15 | G | A | 10,260 | $0.00 | 10,260 | I Landry Trebbi 2012 Family Grantor Trust dated 12/31/2012 | — | — | (F1) These shares are held in a trust for the benefit of the reporting person's child. The reporting person, the reporting person's spouse and a third party are trustees of the trust. |
| 3 | Derivative | Restricted Stock Units | 2026-06-12 | A | A | 1,288 | $0.00 | 1,288 | D | — · — to — | 1,288 Common Stock | (F2) Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc. (F2) Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc. (F3) Consists of restricted stock units under the Acadian Asset Management Inc. 2026 Equity Incentive Plan. (F4) On June 12, 2026, the reporting person was granted 1,288 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset Management Inc. (F4) On June 12, 2026, the reporting person was granted 1,288 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset Management Inc. |