United States Investment Banking & Investment Services

Acadian Asset Management Inc (AAMI)

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Over the past 90 days, Acadian Asset Management Inc. has seen significant insider selling activity, totaling approximately $308.4 million. These transactions occurred as the stock price rose 33.4%, currently trading near its 52-week high. Recent sales were executed by key officers and major shareholders, following the company's latest earnings report which showed a 29.1% EPS beat.
Ticker: AAMI Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Acadian Asset Management Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Sale 4 Aug 2026
Value US$4,050,543.44 | Price 393.33 | Shares 85,863 (+21.7%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-05 2026-08-04 S Sale
2.8
Wiater Christina

PAO

Officer
85,863 +21.7%
393.33
US$4,050,543 		85,863 +21.7% 393.33 US$4,050,543
2026-08-04 2026-08-04 PrS Proposed sale
2.8
CHRISTINA WIATER

Officer

Officer
60,282
73.03
US$3,886,197 		60,282 73.03 US$3,886,197
2026-08-05 2026-08-03 S Sale
2.8
Wiater Christina

PAO

Officer
14,270 +9.6%
399.08
US$1,974,234 		14,270 +9.6% 399.08 US$1,974,234
2026-08-05 2026-08-03 S Sale
2.8
Wiater Christina

PAO

Officer
1,000 -98.6%
87.49
US$100,000 		1,000 -98.6% 87.49 US$100,000
2026-08-05 2026-08-03 S Sale
2.8
Wiater Christina

PAO

Officer
1,000 -31.1%
86.61
US$100,000 		1,000 -31.1% 86.61 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
2.8
Wiater Christina

PFO/PAO
1,000
87.21
US$100,000 		1,000 87.21 US$100,000
2026-06-22 2026-06-17 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
1,900,000 -24.5%
77.25
US$146,775,000 		1,900,000 -24.5% 77.25 US$146,775,000
2026-06-17 2026-06-17 PrS Proposed sale
3.7
PAULSON & CO. INC.

10% Stockholder; Director

Non-Executive Director Large shareholder
1,900,000
82.72
US$157,168,000 		1,900,000 82.72 US$157,168,000
2026-05-05 2026-05-04 S Sale
2.6
Hart Richard Jonathan

CLO and CAO

Officer
11,208 -13.2%
67.73
US$759,083 		11,208 -13.2% 67.73 US$759,083
2026-05-05 2026-05-04 S Sale
2.6
Hart Richard Jonathan

CLO and CAO

Officer
88,792 -51.1%
66.87
US$5,937,938 		88,792 -51.1% 66.87 US$5,937,938
2026-05-04 2026-05-04 PrS Proposed sale
2.6
RICHARD J HART

Officer

Officer
100,000
66.97
US$6,697,020 		100,000 66.97 US$6,697,020
2026-02-12 2026-02-11 S Sale
1.2
Chersi Robert J
Non-Executive Director
28,753 -43.5%
51.30
US$1,475,029 		28,753 -43.5% 51.30 US$1,475,029
2026-02-11 2026-02-11 PrS Proposed sale
1.2
Chersi Robert J

Spouse
28,753
51.29
US$1,474,741 		28,753 51.29 US$1,474,741
2026-02-12 2026-02-10 S Sale
1.2
Trebbi Barbara
Non-Executive Director
9,691 -21.3%
51.22
US$496,329 		9,691 -21.3% 51.22 US$496,329
2026-02-11 2026-02-09 PrS Proposed sale
1.2
Trebbi Barbara

Director

Non-Executive Director
9,691
51.22
US$496,329 		9,691 51.22 US$496,329
2025-09-05 2025-09-03 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
1,206,839 -13.5%
47.69
US$57,554,152 		1,206,839 -13.5% 47.69 US$57,554,152
2025-09-03 2025-09-03 PrS Proposed sale
3.7
PAULSON & CO. INC.

10% Stockholder; Director

Non-Executive Director Large shareholder
1,206,839
50.48
US$60,921,232 		1,206,839 50.48 US$60,921,232
2025-05-16 2025-05-16 PrS Proposed sale
3.2
Rana Suren

Officer; Former President, CEO & Director

Executive Director
371,726
30.38
US$11,293,035 		371,726 30.38 US$11,293,035
2024-11-14 2024-11-11 PrS Proposed sale
2.6
Hart Richard Jonathan

Officer; Chief Legal Officer

Officer
70,000
28.52
US$1,996,455 		70,000 28.52 US$1,996,455
2024-11-13 2024-11-11 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
70,000 -31.0%
28.52
US$1,996,400 		70,000 -31.0% 28.52 US$1,996,400
2024-02-15 2024-02-14 S Sale
3.2
Rana Suren

President and CEO

Executive Director
109,960 -45.6%
20.74
US$2,280,361 		109,960 -45.6% 20.74 US$2,280,361
2024-02-14 2024-02-14 PrS Proposed sale
3.2
Rana Suren

Officer; President, CEO & Director

Executive Director
109,960
21.24
US$2,336,000 		109,960 21.24 US$2,336,000
2022-02-16 2022-02-16 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
300 -0.6%
24.66
US$7,398 		300 -0.6% 24.66 US$7,398
2022-02-16 2022-02-16 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
598 -1.1%
24.65
US$14,741 		598 -1.1% 24.65 US$14,741
2022-02-16 2022-02-15 S Sale
2.8
Wiater Christina

PFO / PAO

Officer
37 -2.0%
24.84
US$919 		37 -2.0% 24.84 US$919
2022-02-16 2022-02-15 S Sale
2.8
Wiater Christina

PFO / PAO

Officer
200 -9.7%
24.88
US$4,976 		200 -9.7% 24.88 US$4,976
2022-02-16 2022-02-15 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
1,475 -2.8%
24.84
US$36,639 		1,475 -2.8% 24.84 US$36,639
2022-02-10 2022-02-08 S Sale
3.2
Rana Suren

President and CEO

Executive Director
119,963 -47.8%
24.05
US$2,884,822 		119,963 -47.8% 24.05 US$2,884,822
2022-01-03 2021-12-31 S Sale
3.2
Rana Suren

President and CEO

Executive Director
128,176 -32.0%
25.81
US$3,308,787 		128,176 -32.0% 25.81 US$3,308,787
2021-12-22 2021-12-21 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
100,000 -1.1%
25.18
US$2,518,000 		100,000 -1.1% 25.18 US$2,518,000
2021-12-22 2021-12-21 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
690,000 -7.1%
31.50
US$21,735,000 		690,000 -7.1% 31.50 US$21,735,000
2021-12-22 2021-12-21 S Sale
2.8
Wiater Christina

PFO / PAO

Officer
38 -2.7%
24.91
US$947 		38 -2.7% 24.91 US$947
2021-12-22 2021-12-21 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
57 -0.1%
24.91
US$1,420 		57 -0.1% 24.91 US$1,420
2021-12-10 2021-12-08 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
10,260,431 -51.3%
31.50
US$323,203,576 		10,260,431 -51.3% 31.50 US$323,203,576
2021-02-17 2021-02-16 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
2,679 -10.7%
20.41
US$54,678 		2,679 -10.7% 20.41 US$54,678
2021-02-17 2021-02-16 S Sale
2.8
Wiater Christina

PFO / PAO

Officer
396 -13.0%
20.28
US$8,031 		396 -13.0% 20.28 US$8,031
2020-12-22 2020-12-21 S Sale
2.8
Wiater Christina

PFO / PAO

Officer
39 -1.6%
18.68
US$729 		39 -1.6% 18.68 US$729
2020-12-22 2020-12-21 S Sale
2.6
Hart Richard Jonathan

Chief Legal Officer

Officer
39 -0.2%
18.68
US$729 		39 -0.2% 18.68 US$729
2020-06-26 2020-06-24 S Sale
3.0
Paulson John
Non-Executive Director Large shareholder
647,263 -3.1%
9.79
US$6,336,705 		647,263 -3.1% 9.79 US$6,336,705
2020-06-26 2020-06-24 S Sale
3.7
PAULSON & CO. INC.
Large shareholder
647,263 -3.1%
9.79
US$6,336,705 		647,263 -3.1% 9.79 US$6,336,705
2020-06-26 2020-06-24 B Purchase
3.0
Paulson John
Non-Executive Director Large shareholder
647,263 +3.2%
9.79
US$6,336,705 		647,263 +3.2% 9.79 US$6,336,705
2020-06-26 2020-06-24 B Purchase
3.7
PAULSON & CO. INC.
Large shareholder
647,263 +3.2%
9.79
US$6,336,705 		647,263 +3.2% 9.79 US$6,336,705
2020-02-19 2020-02-18 S Sale
1.6
Mahoney Daniel K.

Head of Finance/PAO

Officer
1 -0.0%
10.57
US$11 		1 -0.0% 10.57 US$11
2020-02-19 2020-02-18 S Sale
1.6
Mahoney Daniel K.

Head of Finance/PAO

Officer
936 -8.7%
10.51
US$9,837 		936 -8.7% 10.51 US$9,837
2020-02-19 2020-02-18 S Sale
1.6
Mahoney Daniel K.

Head of Finance/PAO

Officer
237 -2.1%
10.53
US$2,496 		237 -2.1% 10.53 US$2,496
2019-12-30 2019-12-30 B Purchase YANG GUANG

President and CEO

Executive Director
25,000 +33.3%
10.10
US$252,500 		25,000 +33.3% 10.10 US$252,500
2019-12-30 2019-12-27 B Purchase YANG GUANG

President and CEO

Executive Director
25,000 +50.0%
10.18
US$254,500 		25,000 +50.0% 10.18 US$254,500
2019-12-30 2019-12-26 B Purchase YANG GUANG

President and CEO

Executive Director
1 +0.0%
10.10
US$10 		1 +0.0% 10.10 US$10
2019-08-08 2019-08-06 B Purchase YANG GUANG

President and CEO

Executive Director
50,000 +inf%
9.10
US$455,000 		50,000 +inf% 9.10 US$455,000
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