Acadian Asset Management Inc. (AAMI)
Data as of , from SEC Form 4 filings.
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About Acadian Asset Management Inc. (AAMI)
Acadian Asset Management Inc is a holding company that operates a systematic investment management business through its subsidiary, that offers institutional investors across the globe access to a diversified array of systematic investment strategies designed to meet a range of risk and return objectives.
- BOSTON, MA
- 396
- 2014
- XNYS
AAMI Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 25,614 | $2.24M |
AAMI insider transactions (Form 4)
4718 Form 4 filings on record, the earliest from Oct 2, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Christina Wiater - Officer | Open-market sale | Common Stock | 7,978 | $86.61 footnote F1 | $691K | |
| Christina Wiater - Officer | Open-market sale | Common Stock | 17,389 | $87.49 footnote F2 | $1.52M | |
| Christina Wiater - Officer | Open-market sale | Common Stock | 3 | $88.11 | $264 | |
| Christina Wiater - Officer | Open-market sale | Common Stock | 244 | $92.36 | $23K | |
| ||||||
| PAULSON CO. INC. | Open-market sale | Common Stock, par value $0.001 | 1,900,000 | $77.25 | $146.78M | |
| Barbara Trebbi - Director | Grant or award | Restricted Stock Units | 1,288 footnote F3 | $0.00 | - | |
| Barbara Trebbi - Director | Gift | Common Stock | 10,260 | $0.00 | - | |
| Barbara Trebbi - Director | Gift | Common Stock | 10,260 | $0.00 | - | |
| ||||||
| Robert J. Chersi - Director | Grant or award | Restricted Stock Units | 1,288 footnote F2 | $0.00 | - | |
| ||||||
 John Paulson - Director | Grant or award | Restricted Stock Units | 2,253 footnote F2 | $0.00 | - | |
| ||||||
| John Paulson - Director | Option exercise | Common Stock | 5,750 | $0.00 | - | |
| John Paulson - Director | Option exercise | Restricted Stock Units | 5,750 | $0.00 | - | |
| Robert J. Chersi - Director | Option exercise | Common Stock | 3,286 | $0.00 | - | |
| Robert J. Chersi - Director | Option exercise | Restricted Stock Units | 3,286 | $0.00 | - | |
| Barbara Trebbi - Director | Option exercise | Common Stock | 3,286 | $0.00 | - | |
| Barbara Trebbi - Director | Option exercise | Restricted Stock Units | 3,286 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Open-market sale | Common Stock | 88,792 | $66.87 footnote F1 | $5.94M | |
| Richard Jonathan Hart - Officer | Open-market sale | Common Stock | 11,208 | $67.73 footnote F2 | $759K | |
| ||||||
| Christina Wiater - Officer | Option exercise | Common Stock | 4,006 | $0.00 | - | |
| Christina Wiater - Officer | Tax withholding / forfeiture | Common Stock | 1,176 | $51.85 | $61K | |
| Christina Wiater - Officer | Option exercise | Common Stock | 5,180 | $0.00 | - | |
| Christina Wiater - Officer | Tax withholding / forfeiture | Common Stock | 1,521 | $51.85 | $79K | |
| Christina Wiater - Officer | Grant or award | Restricted Stock Units | 5,407 | $0.00 | - | |
| Christina Wiater - Officer | Option exercise | Restricted Stock Units | 4,006 | $0.00 | - | |
| Christina Wiater - Officer | Option exercise | Restricted Stock Units | 5,180 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Option exercise | Common Stock | 5,755 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Tax withholding / forfeiture | Common Stock | 2,782 | $51.85 | $144K | |
| Richard Jonathan Hart - Officer | Option exercise | Common Stock | 9,550 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Tax withholding / forfeiture | Common Stock | 4,618 | $51.85 | $239K | |
| Richard Jonathan Hart - Officer | Grant or award | Restricted Stock Units | 21,602 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Option exercise | Restricted Stock Units | 5,755 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Option exercise | Restricted Stock Units | 9,550 | $0.00 | - | |
| Scott Hynes - Officer | Grant or award | Restricted Stock Units | 4,888 | $0.00 | - | |
 Kelly Young - Officer | Grant or award | Restricted Stock Units | 48,748 | $0.00 | - | |
| Robert J. Chersi - Director | Open-market sale | Common Stock | 28,753 | $51.30 footnote F1 | $1.48M | |
| ||||||
| Barbara Trebbi - Director | Open-market sale | Common Stock | 9,691 | $51.22 footnote F1 | $496K | |
| ||||||
| PAULSON CO. INC. | Open-market sale | Common Stock, par value $0.001 | 1,206,839 | $47.69 | $57.55M | |
| Richard Jonathan Hart - Officer | Option exercise | Common Stock | 90,000 | $12.00 | $1.08M | |
| Richard Jonathan Hart - Officer | Tax withholding / forfeiture | Common Stock | 62,585 | $29.25 | $1.83M | |
| Richard Jonathan Hart - Officer | Option exercise | Common Stock | 375,000 | $10.00 | $3.75M | |
| Richard Jonathan Hart - Officer | Tax withholding / forfeiture | Common Stock | 246,646 | $29.25 | $7.21M | |
| Richard Jonathan Hart - Officer | Open-market sale | Common Stock | 70,000 | $28.52 | $2.00M | |
| Richard Jonathan Hart - Officer | Option exercise | Employee Stock Option | 90,000 | $0.00 | - | |
| Richard Jonathan Hart - Officer | Option exercise | Employee Stock Option | 375,000 | $0.00 | - | |
| Suren Rana - Officer | Option exercise | Common Stock | 750,000 | $10.00 | $7.50M | |
| Suren Rana - Officer | Tax withholding / forfeiture | Common Stock | 509,241 | $25.40 | $12.93M | |
| Suren Rana - Officer | Option exercise | Employee Stock Option | 750,000 | $10.00 | $7.50M | |
Item 2.02, 9.01
Item 5.02, 5.07, 9.01
Item 7.01, 9.01
Item 2.02, 9.01
Recent AAMI Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| CHRISTINA WIATER | Officer | 244 | $23K | View on EDGAR | |
| Wiater Christina | PFO/PAO | 25,370 | $2.21M |
AAMI insider trading FAQ
What is the latest insider trade for AAMI?
Acadian Asset Management Inc. (AAMI) had 1 insider filing in the last 90 days, with the most recent on 2026-08-05. The full record for AAMI runs to 18 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AAMI stock?
No insider purchases of AAMI were filed in the last 90 days.
How many insiders are selling AAMI stock?
4 insider sales of AAMI were filed in the last 90 days, totaling $2.24M.
Where can I see AAMI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AAMI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Christina Wiater view on EDGAR
- - PAULSON CO. INC. view on EDGAR
- - Barbara Trebbi view on EDGAR
- - Robert J. Chersi view on EDGAR
- - John Paulson view on EDGAR
- - John Paulson view on EDGAR
- - Robert J. Chersi view on EDGAR
- - Barbara Trebbi view on EDGAR
- - Richard Jonathan Hart view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Financials
- Where AAMI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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