Insider Transactions Reported by 9 Insiders of
Acadian Asset Management Inc.
-
Symbol
-
AAMI on NYSE
-
Location
-
Boston, MA
Quick Takeaways
- AAMI - Acadian Asset Management Inc. has 9 insiders with reported activity on this page.
- Net insider value flow over the last year: -$59,525,510.
- Recent transaction rows are available for direct filing-level review.
What Changed
- Buy value: ; sell value: $59,525,510.
- Net share flow: <span class="text-red-600">-1,245,283</span>.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Filed on Form 4
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
See Original Filing
Insiders trading volume in the past year
Insider trading buckets (0-12 months)
Acadian Asset Management Inc. executives and other stock owners filed with the SEC include:
| Name |
Relationship |
Holdings Value |
Past Year Net Change |
Change % |
Valuation |
Report Date |
| PAULSON & CO. INC. |
10%+ Owner |
$369,277,118 |
-$57,554,152 |
-13% |
Filing P/S |
03 Sep 2025 |
| Richard J. Hart |
CLO and CAO |
$9,928,805 |
|
|
Mixed |
13 Feb 2026 |
| Suren Rana |
President and CEO, Director |
$9,441,840 |
|
|
Mixed |
30 Sep 2024 |
| Robert J. Chersi |
Director |
$2,015,191 |
-$1,475,029 |
-42% |
Mixed |
11 Feb 2026 |
| Barbara Trebbi |
Director |
$1,929,421 |
-$496,329 |
-20% |
Mixed |
10 Feb 2026 |
| Christina Wiater |
Pfo / Pao |
$1,868,217 |
|
|
Mixed |
13 Feb 2026 |
| John Paulson |
Director, 10%+ Owner |
$724,978 |
|
|
Mixed |
13 May 2025 |
| Scott Hynes |
Chief Financial Officer |
|
|
|
Mixed |
13 Feb 2026 |
| Kelly Young |
President and CEO, Director |
|
|
|
Mixed |
13 Feb 2026 |
Recent Insider Transactions by Companies or Individuals for Acadian Asset Management Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider |
Symbol |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares Owned |
Date |
Ownership |
| Christina Wiater |
AAMI |
Common Stock |
Tax liability |
-5.61% |
|
|
-1,521 |
25,614 |
15 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Common Stock |
Options Exercise |
23.6% |
|
|
5,180 |
27,135 |
15 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Restricted Stock Units |
Options Exercise |
-23.1% |
|
|
-5,180 |
17,246 |
15 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Common Stock |
Tax liability |
-2.59% |
|
|
-4,618 |
173,863 |
15 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Common Stock |
Options Exercise |
5.65% |
|
|
9,550 |
178,481 |
15 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Restricted Stock Units |
Options Exercise |
-19.9% |
|
|
-9,550 |
38,345 |
15 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Common Stock |
Tax liability |
-5.08% |
|
|
-1,176 |
21,955 |
14 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Common Stock |
Options Exercise |
21% |
|
|
4,006 |
23,131 |
14 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Restricted Stock Units |
Options Exercise |
-15.2% |
|
|
-4,006 |
22,426 |
14 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Common Stock |
Tax liability |
-1.62% |
|
|
-2,782 |
168,931 |
14 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Common Stock |
Options Exercise |
3.47% |
|
|
5,755 |
171,713 |
14 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Restricted Stock Units |
Options Exercise |
-10.7% |
|
|
-5,755 |
47,895 |
14 Feb 2026 |
Direct |
| Christina Wiater |
AAMI |
Restricted Stock Units |
Award |
25.7% |
|
|
5,407 |
26,432 |
13 Feb 2026 |
Direct |
| Richard J. Hart |
AAMI |
Restricted Stock Units |
Award |
67.4% |
|
|
21,602 |
53,650 |
13 Feb 2026 |
Direct |
| Scott Hynes |
AAMI |
Restricted Stock Units |
Award |
|
|
|
4,888 |
4,888 |
13 Feb 2026 |
Direct |
| Kelly Young |
AAMI |
Restricted Stock Units |
Award |
|
|
|
48,748 |
48,748 |
13 Feb 2026 |
Direct |
| Robert J. Chersi |
AAMI |
Common Stock |
Sale |
-43.5% |
$1,475,029 |
$51.30 |
-28,753 |
37,384 |
11 Feb 2026 |
By Robert J. Chersi 2012 Family Trust |
| Barbara Trebbi |
AAMI |
Common Stock |
Sale |
-21.3% |
$496,329 |
$51.22 |
-9,691 |
35,771 |
10 Feb 2026 |
Direct |
| Paulson & Co. Inc. |
AAMI |
Common Stock, par value $0.001 |
Sale |
-13.5% |
$57,554,152 |
$47.69 |
-1,206,839 |
7,743,282 |
03 Sep 2025 |
By Managed Funds |
| Robert J. Chersi |
AAMI |
Common Stock |
Gift |
73.4% |
|
|
27,986 |
66,137 |
10 Jun 2025 |
By Robert J. Chersi 2012 Family Trust |
| Robert J. Chersi |
AAMI |
Common Stock |
Gift |
-100% |
|
|
-27,986 |
0 |
10 Jun 2025 |
Direct |
| John Paulson |
AAMI |
Restricted Stock Units |
Award |
|
|
|
5,750 |
5,750 |
14 May 2025 |
Direct |
| Barbara Trebbi |
AAMI |
Restricted Stock Units |
Award |
|
|
|
3,286 |
3,286 |
14 May 2025 |
Direct |
| Robert J. Chersi |
AAMI |
Restricted Stock Units |
Award |
|
|
|
3,286 |
3,286 |
14 May 2025 |
Direct |
| John Paulson |
AAMI |
Common Stock |
Options Exercise |
48.5% |
|
|
7,764 |
23,760 |
13 May 2025 |
Direct |
| John Paulson |
AAMI |
Restricted Stock Units |
Options Exercise |
-100% |
|
|
-7,764 |
0 |
13 May 2025 |
Direct |
| Barbara Trebbi |
AAMI |
Common Stock |
Options Exercise |
10.8% |
|
|
4,437 |
45,462 |
13 May 2025 |
Direct |
| Barbara Trebbi |
AAMI |
Restricted Stock Units |
Options Exercise |
-100% |
|
|
-4,437 |
0 |
13 May 2025 |
Direct |
| Robert J. Chersi |
AAMI |
Common Stock |
Options Exercise |
18.8% |
|
|
4,437 |
27,986 |
13 May 2025 |
Direct |
| Robert J. Chersi |
AAMI |
Restricted Stock Units |
Options Exercise |
-100% |
|
|
-4,437 |
0 |
13 May 2025 |
Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.