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United States Investment Banking & Investment Services

Acadian Asset Management Inc (AAMI)

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Over the last 90 days, Acadian Asset Management Inc. has seen significant insider selling, with a net value of -$6.7 million. This activity is primarily driven by large proposed sales from 10% stockholder Paulson & Co. Inc. and sales by officers. The stock has experienced substantial growth, up 62.9% in 90 days.
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Ticker: AAMI Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
PAULSON & CO. INC.
2 sales — total 200,000 USD
Sale 17 Jun 2026
Value US$196,425.18 | Price 266.83 | Shares 85,222
Proposed sale 17 Jun 2026
Value US$469,851.79 | Price 272.76 | Shares 8,791
Sale 4 May 2026
Value US$4,939,012.44 | Price 240.42 | Shares 87,544
Sale 4 May 2026
Value US$3,587,891.72 | Price 168.86 | Shares 33,897
Proposed sale 4 May 2026
Value US$6,697,020.00 | Price 66.97 | Shares 100,000
Sale 11 Feb 2026
Value US$1,475,028.90 | Price 51.30 | Shares 28,753
Proposed sale 11 Feb 2026
Value US$1,474,741.37 | Price 51.29 | Shares 28,753
Sale 10 Feb 2026
Value US$496,329.41 | Price 51.22 | Shares 9,691
Proposed sale 9 Feb 2026
Value US$496,329.00 | Price 51.22 | Shares 9,691
Sale 3 Sep 2025
Value US$57,554,151.91 | Price 47.69 | Shares 1,206,839
Proposed sale 3 Sep 2025
Value US$60,921,232.00 | Price 50.48 | Shares 1,206,839
Proposed sale 16 May 2025
Value US$11,293,035.00 | Price 30.38 | Shares 371,726
Proposed sale 11 Nov 2024
Value US$1,996,455.00 | Price 28.52 | Shares 70,000
Sale 11 Nov 2024
Value US$1,996,400.00 | Price 28.52 | Shares 70,000
Sale 14 Feb 2024
Value US$2,280,361.48 | Price 20.74 | Shares 109,960
Proposed sale 14 Feb 2024
Value US$2,336,000.00 | Price 21.24 | Shares 109,960
Sale 16 Feb 2022
Value US$7,398.00 | Price 24.66 | Shares 300
Sale 16 Feb 2022
Value US$14,740.70 | Price 24.65 | Shares 598
Sale 15 Feb 2022
Value US$919.08 | Price 24.84 | Shares 37
Sale 15 Feb 2022
Value US$4,976.00 | Price 24.88 | Shares 200
Sale 15 Feb 2022
Value US$36,639.00 | Price 24.84 | Shares 1,475
Sale 8 Feb 2022
Value US$2,884,822.24 | Price 24.05 | Shares 119,963
Sale 31 Dec 2021
Value US$3,308,786.53 | Price 25.81 | Shares 128,176
Sale 21 Dec 2021
Value US$2,518,000.00 | Price 25.18 | Shares 100,000
Sale 21 Dec 2021
Value US$21,735,000.00 | Price 31.50 | Shares 690,000
Sale 21 Dec 2021
Value US$946.58 | Price 24.91 | Shares 38
Sale 21 Dec 2021
Value US$1,419.87 | Price 24.91 | Shares 57
Sale 8 Dec 2021
Value US$323,203,576.50 | Price 31.50 | Shares 10,260,431
Sale 16 Feb 2021
Value US$54,678.39 | Price 20.41 | Shares 2,679
Sale 16 Feb 2021
Value US$8,030.88 | Price 20.28 | Shares 396
Sale 21 Dec 2020
Value US$728.52 | Price 18.68 | Shares 39
Sale 21 Dec 2020
Value US$728.52 | Price 18.68 | Shares 39
Sale 24 Jun 2020
Value US$6,336,704.77 | Price 9.79 | Shares 647,263
Buy 24 Jun 2020
Value US$6,336,704.77 | Price 9.79 | Shares 647,263
Sale 24 Jun 2020
Value US$6,336,704.77 | Price 9.79 | Shares 647,263
Buy 24 Jun 2020
Value US$6,336,704.77 | Price 9.79 | Shares 647,263
Sale 18 Feb 2020
Value US$10.57 | Price 10.57 | Shares 1
Sale 18 Feb 2020
Value US$9,837.36 | Price 10.51 | Shares 936
Sale 18 Feb 2020
Value US$2,495.61 | Price 10.53 | Shares 237
Buy 30 Dec 2019
Value US$252,500.00 | Price 10.10 | Shares 25,000
Buy 27 Dec 2019
Value US$254,500.00 | Price 10.18 | Shares 25,000
Buy 26 Dec 2019
Value US$10.10 | Price 10.10 | Shares 1
Buy 6 Aug 2019
Value US$455,000.00 | Price 9.10 | Shares 50,000
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
2026-06-22 2026-06-17 S Sale
3.8
PAULSON & CO. INC.
Large shareholder
85,222 +21.8%
266.83
US$196,425 		85,222 +21.8% 266.83 US$196,425
2026-06-17 2026-06-17 PrS Proposed sale
3.8
PAULSON & CO. INC.

10% Stockholder; Director

Non-Executive Director Large shareholder
8,791
272.76
US$469,852 		8,791 272.76 US$469,852
2026-05-05 2026-05-04 S Sale
3.2
Hart Richard Jonathan

CLO and CAO

Officer
87,544 -31.7%
240.42
US$4,939,012 		87,544 -31.7% 240.42 US$4,939,012
2026-05-05 2026-05-04 S Sale
3.2
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
3.2
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
3.8
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
3.8
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.8
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
3.8
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
3.2
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
3.8
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
3.2
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
3.2
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
3.8
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
3.8
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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