Form 4 for AAMI Acadian Asset Management Inc.
Accepted 2026-05-18 16:04:03 ET · period of report 2026-05-14 · accession 0001628280-26-035917 · 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 | 2026-05-18 16:04 | 2026-05-14 | AAMI | Trebbi Barbara | Dir | M - OptEx | $0.00 | +3,286 | 39.1K | +9% | $0 |
| D | 2026-05-18 16:04 | 2026-05-14 | AAMI | Trebbi Barbara | Dir | M - OptEx | $0.00 | -3,286 | 0 | -100% | $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 | 2026-05-14 | M | A | 3,286 | $0.00 | 39,057 | D | — | — | |
| 2 | Derivative | Restricted Stock Units | 2026-05-14 | M | D | 3,286 | $0.00 | 0 | D | — · — to — | 3,286 Common Stock | (F1) Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc. (F1) Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc. (F2) On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc. (F2) On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc. |