Affiliated Managers Group Inc (AMG)

Over the past 90 days, Affiliated Managers Group Inc. saw nine insider transactions resulting in a net negative value of approximately $6.57 million. Notable activity included a $5.92 million sale by CEO Jay Horgen in June. Despite these divestments, the stock has appreciated 22.8% over the last quarter, trading near its 52-week high.
Ticker: AMG Exchange: NYS


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Insider trades have triggered activity signals for Affiliated Managers Group Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Proposed sale 30 Jun 2026
Value US$2,430,809.26 | Price 448.38 | Shares 72,858
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
2026-06-30 2026-06-30 PrS Proposed sale

Director

Non-Executive Director
72,858
448.38
US$2,430,809
72,858 448.38 US$2,430,809
2026-06-08 2026-06-08 S Sale

President and CEO

Executive Director
85,323 -23.6%
250.98
US$2,193,664
85,323 -23.6% 250.98 US$2,193,664
2026-06-08 2026-06-08 PrS Proposed sale

Officer

Officer
46,905
221.64
US$1,136,556
46,905 221.64 US$1,136,556
2026-06-03 2026-06-01 B Purchase Non-Executive Director
750 +61.9%
304.88
US$228,660
750 +61.9% 304.88 US$228,660
2026-05-08 2026-05-08 S Sale Non-Executive Director
1,000 -18.6%
300.18
US$300,180
1,000 -18.6% 300.18 US$300,180
2026-05-08 2026-05-08 PrS Proposed sale

Director

Non-Executive Director
1,000
300.18
US$300,180
1,000 300.18 US$300,180
2026-05-08 2026-05-06 S Sale Non-Executive Director
3,402 -75.7%
305.06
US$1,037,814
3,402 -75.7% 305.06 US$1,037,814
2026-05-06 2026-05-06 B Purchase Non-Executive Director
1,500 +30.6%
305.83
US$458,745
1,500 +30.6% 305.83 US$458,745
2026-05-06 2026-05-06 PrS Proposed sale

Director

Non-Executive Director
3,402
305.06
US$1,037,805
3,402 305.06 US$1,037,805
2026-03-09 2026-03-09 S Sale

General Counsel & Corp. Sec.

Officer
2,200 -4.9%
278.24
US$612,128
2,200 -4.9% 278.24 US$612,128
2026-03-09 2026-03-09 PrS Proposed sale

Officer

Officer
2,200
278.24
US$612,124
2,200 278.24 US$612,124
2026-03-09 2026-03-09 PrS Proposed sale

Officer

Officer
46,878
279.10
US$13,083,415
46,878 279.10 US$13,083,415
2026-03-09 2026-03-06 S Sale

President and COO

Officer
8,000 -4.8%
286.30
US$2,290,400
8,000 -4.8% 286.30 US$2,290,400
2026-03-06 2026-03-06 PrS Proposed sale

Officer

Officer
8,000
286.30
US$2,290,383
8,000 286.30 US$2,290,383
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
16,000
231.03
US$3,696,454
16,000 231.03 US$3,696,454
2025-09-09 2025-09-09 S Sale

President and COO

Officer
16,000 -9.2%
231.03
US$3,696,480
16,000 -9.2% 231.03 US$3,696,480
2025-03-10 2025-03-10 PrS Proposed sale

Former Officer

Officer
14,669
156.47
US$2,295,258
14,669 156.47 US$2,295,258
2024-08-20 2024-08-20 S Sale

President and CEO

Executive Director
9,300 -2.5%
169.93
US$1,580,349
9,300 -2.5% 169.93 US$1,580,349
2024-08-20 2024-08-19 S Sale

President and CEO

Executive Director
9,000 -2.3%
171.98
US$1,547,820
9,000 -2.3% 171.98 US$1,547,820
2024-08-19 2024-08-19 PrS Proposed sale

Officer

Officer
18,300
172.95
US$3,164,985
18,300 172.95 US$3,164,985
2024-08-20 2024-08-16 S Sale

Chief Operating Officer

Officer
4,786 -5.4%
172.71
US$826,590
4,786 -5.4% 172.71 US$826,590
2024-08-20 2024-08-16 S Sale

Head of Affiliate Investments

Officer
8,622 -6.3%
172.89
US$1,490,658
8,622 -6.3% 172.89 US$1,490,658
2024-08-16 2024-08-16 PrS Proposed sale

Affiliate

8,622
171.98
US$1,482,812
8,622 171.98 US$1,482,812
2024-08-16 2024-08-16 PrS Proposed sale

Officer

Officer
4,786
171.48
US$820,703
4,786 171.48 US$820,703
2023-03-17 2023-03-16 B Purchase Non-Executive Director
3,650 +13.0%
137.21
US$500,816
3,650 +13.0% 137.21 US$500,816
2022-02-24 2022-02-22 B Purchase Non-Executive Director
3,700 +70.8%
137.67
US$509,379
3,700 +70.8% 137.67 US$509,379
2022-02-16 2022-02-15 B Purchase Non-Executive Director
3,500 +15.1%
143.96
US$503,860
3,500 +15.1% 143.96 US$503,860
2021-12-07 2021-12-03 B Purchase

Head of Affiliate Investments

Officer
3,000 +11.1%
171.47
US$514,410
3,000 +11.1% 171.47 US$514,410
2021-12-06 2021-12-03 B Purchase

Head of Affiliate Engagement

Officer
3,000 +14.5%
169.95
US$509,850
3,000 +14.5% 169.95 US$509,850
2021-11-03 2021-11-02 B Purchase Non-Executive Director
2,700 +13.2%
188.39
US$508,653
2,700 +13.2% 188.39 US$508,653
2021-05-06 2021-05-04 B Purchase Non-Executive Director
2,500 +14.3%
160.49
US$401,225
2,500 +14.3% 160.49 US$401,225
2021-02-11 2021-02-10 B Purchase Non-Executive Director
2,500 +16.7%
145.53
US$363,825
2,500 +16.7% 145.53 US$363,825
2021-02-10 2021-02-09 B Purchase

President and CEO

Executive Director
4,000 +3.0%
136.23
US$544,920
4,000 +3.0% 136.23 US$544,920
2020-09-15 2020-09-15 B Purchase Non-Executive Director
1,000 +9.0%
65.25
US$65,250
1,000 +9.0% 65.25 US$65,250
2020-09-10 2020-09-09 B Purchase Non-Executive Director
1,469 +inf%
68.46
US$100,568
1,469 +inf% 68.46 US$100,568
2020-09-08 2020-09-04 B Purchase Non-Executive Director
5,000 +50.0%
70.16
US$350,800
5,000 +50.0% 70.16 US$350,800
2020-09-03 2020-09-03 B Purchase Non-Executive Director
1,000 +9.9%
71.99
US$71,990
1,000 +9.9% 71.99 US$71,990
2020-09-01 2020-09-01 B Purchase

President and CEO

Executive Director
5,000 +3.6%
67.90
US$339,500
5,000 +3.6% 67.90 US$339,500
2020-06-11 2020-06-10 B Purchase Non-Executive Director
1,000 +11.0%
77.94
US$77,940
1,000 +11.0% 77.94 US$77,940
2020-05-13 2020-05-13 B Purchase

President and CEO

Executive Director
10,000 +7.8%
59.26
US$592,600
10,000 +7.8% 59.26 US$592,600
2020-05-04 2020-05-01 B Purchase Non-Executive Director
10,000 +inf%
65.21
US$652,100
10,000 +inf% 65.21 US$652,100
2020-03-16 2020-03-13 B Purchase Non-Executive Director
1,000 +12.4%
54.51
US$54,510
1,000 +12.4% 54.51 US$54,510
2020-03-12 2020-03-12 B Purchase

President and CEO

Executive Director
10,000 +8.5%
53.12
US$531,200
10,000 +8.5% 53.12 US$531,200
2020-03-05 2020-03-03 B Purchase

EVP, Global Distribution

Officer
1,360 +157.4%
71.67
US$97,471
1,360 +157.4% 71.67 US$97,471
2020-03-05 2020-03-03 B Purchase

EVP, Global Distribution

Officer
350 +4.4%
71.67
US$25,084
350 +4.4% 71.67 US$25,084
2020-03-05 2020-03-03 S Sale

EVP, Global Distribution

Officer
1,710 -17.8%
71.67
US$122,556
1,710 -17.8% 71.67 US$122,556
2020-03-03 2020-03-02 B Purchase

Chief Financial Officer

Officer
1,350 +4.6%
75.00
US$101,250
1,350 +4.6% 75.00 US$101,250
2020-02-26 2020-02-25 B Purchase Non-Executive Director
946 +3.5%
85.26
US$80,656
946 +3.5% 85.26 US$80,656
2020-02-26 2020-02-24 B Purchase Non-Executive Director
4,054 +17.6%
85.10
US$344,995
4,054 +17.6% 85.10 US$344,995
2020-02-21 2020-02-20 B Purchase Non-Executive Director
2,500 +44.9%
87.67
US$219,175
2,500 +44.9% 87.67 US$219,175
2020-02-19 2020-02-18 B Purchase

President and CEO

Executive Director
10,000 +9.3%
83.13
US$831,300
10,000 +9.3% 83.13 US$831,300
2019-12-03 2019-12-02 S Sale Zeitlin Jide James Non-Executive Director
2,665 -11.1%
83.94
US$223,700
2,665 -11.1% 83.94 US$223,700
2019-11-22 2019-11-21 S Sale Ryan Patrick T Non-Executive Director
3,411 -20.4%
84.38
US$287,820
3,411 -20.4% 84.38 US$287,820
2019-09-16 2019-09-12 B Purchase
6,589 +52.7%
88.77
US$584,906
6,589 +52.7% 88.77 US$584,906
2019-09-04 2019-08-30 S Sale
23,000 -9.9%
76.86
US$1,767,780
23,000 -9.9% 76.86 US$1,767,780
2019-06-28 2019-06-28 S Sale
54,350 -72.6%
92.22
US$5,012,157
54,350 -72.6% 92.22 US$5,012,157
2019-05-17 2019-05-13 B Purchase

EVP, Global Distribution

Officer
1,133 +11.3%
91.66
US$103,851
1,133 +11.3% 91.66 US$103,851
2019-05-17 2019-05-13 S Sale

EVP, Global Distribution

Officer
1,133 -10.2%
91.66
US$103,851
1,133 -10.2% 91.66 US$103,851
2019-05-13 2019-05-10 B Purchase

President and CFO

Officer
11,000 +10.5%
93.19
US$1,025,090
11,000 +10.5% 93.19 US$1,025,090
2019-03-04 2019-03-01 S Sale Non-Executive Director
1,694 -39.5%
110.64
US$187,424
1,694 -39.5% 110.64 US$187,424
2018-11-21 2018-11-21 S Sale Churchill Dwight D. Non-Executive Director
2,034 -31.2%
110.53
US$224,818
2,034 -31.2% 110.53 US$224,818
2018-11-16 2018-11-16 S Sale Ryan Patrick T Non-Executive Director
2,034 -13.7%
112.78
US$229,395
2,034 -13.7% 112.78 US$229,395
2018-11-02 2018-10-31 B Purchase Cutler Hugh

EVP, Global Distribution

Officer
864 +inf%
115.48
US$99,775
864 +inf% 115.48 US$99,775
2018-11-02 2018-10-31 B Purchase Cutler Hugh

EVP, Global Distribution

Officer
700 +9.9%
115.48
US$80,836
700 +9.9% 115.48 US$80,836
2018-11-02 2018-10-31 S Sale Cutler Hugh

EVP, Global Distribution

Officer
1,564 -18.1%
115.48
US$180,611
1,564 -18.1% 115.48 US$180,611
2018-06-08 2018-06-06 S Sale Churchill Dwight D.
1,981 -30.6%
166.28
US$329,401
1,981 -30.6% 166.28 US$329,401
2018-03-09 2018-03-08 S Sale Horgen Jay C.

CFO and Treasurer

15,000 -13.2%
190.05
US$2,850,750
15,000 -13.2% 190.05 US$2,850,750
2018-03-09 2018-03-07 S Sale Horgen Jay C.

CFO and Treasurer

15,000 -11.6%
189.12
US$2,836,800
15,000 -11.6% 189.12 US$2,836,800
2017-12-07 2017-12-05 S Sale MacEwen Peter W

Chief Administrative Officer

10,000 -26.5%
197.67
US$1,976,700
10,000 -26.5% 197.67 US$1,976,700
2017-11-20 2017-11-17 S Sale HEALEY SEAN M

CEO and Chairman

Executive Director
69,800 -43.5%
185.48
US$12,946,504
69,800 -43.5% 185.48 US$12,946,504
2017-11-13 2017-11-09 S Sale Ryan Patrick T
7,705 -62.0%
185.27
US$1,427,505
7,705 -62.0% 185.27 US$1,427,505
2017-11-03 2017-11-03 S Sale Churchill Dwight D.
2,080 -34.1%
184.28
US$383,302
2,080 -34.1% 184.28 US$383,302
2017-06-14 2017-06-13 S Sale HEALEY SEAN M

CEO and Chairman

Executive Director
56,928 -32.9%
161.07
US$9,169,393
56,928 -32.9% 161.07 US$9,169,393
2017-06-06 2017-06-05 S Sale Churchill Dwight D.
3,277 -44.9%
163.30
US$535,134
3,277 -44.9% 163.30 US$535,134
2017-05-23 2017-05-19 S Sale Ryan Patrick T Non-Executive Director
8,902 -65.4%
152.89
US$1,361,027
8,902 -65.4% 152.89 US$1,361,027