AMG
Affiliated Managers Group, Inc.$355.14+10.81 (+3.14%)Prev Close$344.33·MCap$9.04B·P/E14.37·Vol197.6K·Yield0.00%
▲
Buys (12M)
1
$458.7K
▼
Sells (12M)
12
$77.14M
◆
Net Activity
Net Seller
$76.68M
●
Active Insiders
7
last 12 mo
Over the past 12 months, insider activity at Affiliated Managers Group, Inc. (AMG) has been dominated by selling, with 1 insider purchase totaling $458.7K and 12 insider sales totaling $77.14M. The most recent insider transaction was by Horgen Jay C. (director, officer: President and CEO), who sold $5.92M worth of shares on Jun 8, 2026. Affiliated Managers Group, Inc. operates in the Financial Services sector, within the Asset Management industry, with a market cap of $9.04B.
AMG Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | Horgen Jay C. | director, officer: President and CEO | Sell | 17,500 | $338.27 | $5.92M | 204,706 |
| May 8, 2026 | Matos Rodriguez Felix V. | director | Sell | 1,000 | $300.18 | $300.2K | 4,369 |
| May 8, 2026 | Ryan David Christopher | director | Sell | 3,402 | $305.06 | $1.04M | 1,092-76% |
| May 6, 2026 | Cates G. Staley | director | Buy | 1,500 | $305.83 | $458.7K | 6,405+31% |
| Mar 9, 2026 | Padiyar Kavita | officer: General Counsel & Corp. Sec. | Sell | 2,200 | $278.24 | $612.1K | 42,672 |
| Mar 9, 2026 | Wojcik Thomas M | officer: President and COO | Sell | 8,000 | $286.30 | $2.29M | 159,465 |
| Nov 7, 2025 | Alvingham Karen L. | Director | Sell | 182 | $259.26 | $47.2K | 0 |
| Sep 8, 2025 | Wojcik Thomas M | President and COO | Sell | 130,008 | $231.17 | $30.05M | 0 |
| Sep 2, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 44,935 | $229.97 | $10.33M | 0 |
| Sep 2, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 30,991 | $229.97 | $7.13M | 0 |
| Aug 14, 2025 | Alvingham Karen L. | Director | Sell | 84 | $218.70 | $18.4K | 0 |
| Aug 12, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 45,607 | $219.70 | $10.02M | 0 |
| Jul 1, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 47,191 | $198.72 | $9.38M | 0 |
| May 12, 2025 | Churchill Dwight D. | Director | Sell | 1,178 | $183.83 | $216.6K | 0 |
| May 12, 2025 | Palandjian Tracy P. | Director | Sell | 2,891 | $183.83 | $531.5K | 0 |
| May 9, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 17,407 | $179.17 | $3.12M | 0 |
| Mar 5, 2025 | Alvingham Karen L. | Director | Sell | 90 | $165.72 | $14.9K | 0 |
| Mar 5, 2025 | Horgen Jay C. | President and CEO | Sell | 26,570 | $165.72 | $4.40M | 0 |
| Mar 5, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 2,630 | $165.72 | $435.8K | 0 |
| Mar 5, 2025 | Wojcik Thomas M | Chief Operating Officer | Sell | 14,220 | $165.72 | $2.36M | 0 |
| Oct 4, 2024 | Wojcik Thomas M | Chief Operating Officer | Sell | 53,599 | $181.18 | $9.71M | 0 |
| Oct 2, 2024 | Horgen Jay C. | President and CEO | Sell | 65,230 | $180.25 | $11.76M | 0 |
| Aug 19, 2024 | Horgen Jay C. | President and CEO | Sell | 151,028 | $171.87 | $25.96M0.5% OS | 0 |
| Aug 16, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 311,846 | $172.27 | $53.72M1.1% OS | 0 |
| Aug 16, 2024 | Wojcik Thomas M | Chief Operating Officer | Sell | 97,150 | $172.27 | $16.74M | 0 |
| Aug 15, 2024 | Alvingham Karen L. | Director | Sell | 72 | $171.98 | $12.4K | 0 |
| Jul 29, 2024 | Alvingham Karen L. | Director | Sell | 5,787 | $185.62 | $1.07M | 0 |
| Jul 29, 2024 | Palandjian Tracy P. | Director | Sell | 608 | $185.62 | $112.9K | 0 |
| Mar 28, 2024 | Churchill Dwight D. | Director | Sell | 4,702 | $167.47 | $787.4K | 0 |
| Mar 5, 2024 | Alvingham Karen L. | Director | Sell | 41 | $158.58 | $6.5K | 0 |
| Mar 5, 2024 | Horgen Jay C. | President and CEO | Sell | 14,281 | $158.58 | $2.26M | 0 |
| Mar 5, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 9,650 | $158.58 | $1.53M | 0 |
| Mar 5, 2024 | Wojcik Thomas M | Chief Financial Officer | Sell | 9,778 | $158.58 | $1.55M | 0 |
| Jan 1, 2024 | Alvingham Karen L. | Director | Sell | 9 | $151.42 | $1.4K | 0 |
| Jan 1, 2024 | Horgen Jay C. | President and CEO | Sell | 2,365 | $151.42 | $358.1K | 0 |
| Jan 1, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 1,055 | $151.42 | $159.7K | 0 |
| Jan 1, 2024 | Wojcik Thomas M | Chief Financial Officer | Sell | 1,399 | $151.42 | $211.8K | 0 |
| Aug 15, 2023 | Alvingham Karen L. | Director | Sell | 58 | $133.04 | $7.7K | 0 |
| Aug 15, 2023 | Erickson John R | Head of Affiliate Engagement | Sell | 5,145 | $133.04 | $684.5K | 0 |
| Aug 15, 2023 | Horgen Jay C. | President and CEO | Sell | 19,535 | $133.04 | $2.60M | 0 |
| Aug 15, 2023 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 6,064 | $133.04 | $806.8K | 0 |
| Aug 15, 2023 | Wojcik Thomas M | Chief Financial Officer | Sell | 2,537 | $133.04 | $337.5K | 0 |
| Jun 29, 2023 | Palandjian Tracy P. | Director | Sell | 1,268 | $150.38 | $190.7K | 0 |
| Mar 16, 2023 | Jeffery Reuben III | Director | Buy | 3,650 | $137.21 | $500.8K | 0 |
| Mar 5, 2023 | Alvingham Karen L. | Director | Sell | 30 | $160.76 | $4.8K | 0 |
| Mar 5, 2023 | Erickson John R | Head of Affiliate Engagement | Sell | 10,743 | $160.76 | $1.73M | 0 |
| Mar 5, 2023 | Horgen Jay C. | President and CEO | Sell | 27,887 | $160.76 | $4.48M | 0 |
| Mar 5, 2023 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 13,835 | $160.76 | $2.22M | 0 |
| Mar 5, 2023 | Wojcik Thomas M | Chief Financial Officer | Sell | 15,919 | $160.76 | $2.56M | 0 |
| Jan 1, 2023 | Alvingham Karen L. | Director | Sell | 25 | $158.43 | $4.0K | 0 |
Showing 1–50 of 89
1 / 2
AMG Insider Buying Activity
The following table shows recent insider purchases of Affiliated Managers Group, Inc. (AMG) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 6, 2026 | Cates G. Staley | director | Buy | 1,500 | $305.83 | $458.7K | 6,405+31% |
| Mar 16, 2023 | Jeffery Reuben III | Director | Buy | 3,650 | $137.21 | $500.8K | 0 |
AMG Insider Selling Activity
The following table shows recent insider sales of Affiliated Managers Group, Inc. (AMG) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | Horgen Jay C. | director, officer: President and CEO | Sell | 17,500 | $338.27 | $5.92M | 204,706 |
| May 8, 2026 | Matos Rodriguez Felix V. | director | Sell | 1,000 | $300.18 | $300.2K | 4,369 |
| May 8, 2026 | Ryan David Christopher | director | Sell | 3,402 | $305.06 | $1.04M | 1,092-76% |
| Mar 9, 2026 | Padiyar Kavita | officer: General Counsel & Corp. Sec. | Sell | 2,200 | $278.24 | $612.1K | 42,672 |
| Mar 9, 2026 | Wojcik Thomas M | officer: President and COO | Sell | 8,000 | $286.30 | $2.29M | 159,465 |
| Nov 7, 2025 | Alvingham Karen L. | Director | Sell | 182 | $259.26 | $47.2K | 0 |
| Sep 8, 2025 | Wojcik Thomas M | President and COO | Sell | 130,008 | $231.17 | $30.05M | 0 |
| Sep 2, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 44,935 | $229.97 | $10.33M | 0 |
| Sep 2, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 30,991 | $229.97 | $7.13M | 0 |
| Aug 14, 2025 | Alvingham Karen L. | Director | Sell | 84 | $218.70 | $18.4K | 0 |
| Aug 12, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 45,607 | $219.70 | $10.02M | 0 |
| Jul 1, 2025 | Horgen Jay C. | Chief Executive Officer | Sell | 47,191 | $198.72 | $9.38M | 0 |
| May 12, 2025 | Churchill Dwight D. | Director | Sell | 1,178 | $183.83 | $216.6K | 0 |
| May 12, 2025 | Palandjian Tracy P. | Director | Sell | 2,891 | $183.83 | $531.5K | 0 |
| May 9, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 17,407 | $179.17 | $3.12M | 0 |
| Mar 5, 2025 | Alvingham Karen L. | Director | Sell | 90 | $165.72 | $14.9K | 0 |
| Mar 5, 2025 | Horgen Jay C. | President and CEO | Sell | 26,570 | $165.72 | $4.40M | 0 |
| Mar 5, 2025 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 2,630 | $165.72 | $435.8K | 0 |
| Mar 5, 2025 | Wojcik Thomas M | Chief Operating Officer | Sell | 14,220 | $165.72 | $2.36M | 0 |
| Oct 4, 2024 | Wojcik Thomas M | Chief Operating Officer | Sell | 53,599 | $181.18 | $9.71M | 0 |
| Oct 2, 2024 | Horgen Jay C. | President and CEO | Sell | 65,230 | $180.25 | $11.76M | 0 |
| Aug 19, 2024 | Horgen Jay C. | President and CEO | Sell | 151,028 | $171.87 | $25.96M0.5% OS | 0 |
| Aug 16, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 311,846 | $172.27 | $53.72M1.1% OS | 0 |
| Aug 16, 2024 | Wojcik Thomas M | Chief Operating Officer | Sell | 97,150 | $172.27 | $16.74M | 0 |
| Aug 15, 2024 | Alvingham Karen L. | Director | Sell | 72 | $171.98 | $12.4K | 0 |
| Jul 29, 2024 | Alvingham Karen L. | Director | Sell | 5,787 | $185.62 | $1.07M | 0 |
| Jul 29, 2024 | Palandjian Tracy P. | Director | Sell | 608 | $185.62 | $112.9K | 0 |
| Mar 28, 2024 | Churchill Dwight D. | Director | Sell | 4,702 | $167.47 | $787.4K | 0 |
| Mar 5, 2024 | Alvingham Karen L. | Director | Sell | 41 | $158.58 | $6.5K | 0 |
| Mar 5, 2024 | Horgen Jay C. | President and CEO | Sell | 14,281 | $158.58 | $2.26M | 0 |
| Mar 5, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 9,650 | $158.58 | $1.53M | 0 |
| Mar 5, 2024 | Wojcik Thomas M | Chief Financial Officer | Sell | 9,778 | $158.58 | $1.55M | 0 |
| Jan 1, 2024 | Alvingham Karen L. | Director | Sell | 9 | $151.42 | $1.4K | 0 |
| Jan 1, 2024 | Horgen Jay C. | President and CEO | Sell | 2,365 | $151.42 | $358.1K | 0 |
| Jan 1, 2024 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 1,055 | $151.42 | $159.7K | 0 |
| Jan 1, 2024 | Wojcik Thomas M | Chief Financial Officer | Sell | 1,399 | $151.42 | $211.8K | 0 |
| Aug 15, 2023 | Alvingham Karen L. | Director | Sell | 58 | $133.04 | $7.7K | 0 |
| Aug 15, 2023 | Erickson John R | Head of Affiliate Engagement | Sell | 5,145 | $133.04 | $684.5K | 0 |
| Aug 15, 2023 | Horgen Jay C. | President and CEO | Sell | 19,535 | $133.04 | $2.60M | 0 |
| Aug 15, 2023 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 6,064 | $133.04 | $806.8K | 0 |
| Aug 15, 2023 | Wojcik Thomas M | Chief Financial Officer | Sell | 2,537 | $133.04 | $337.5K | 0 |
| Jun 29, 2023 | Palandjian Tracy P. | Director | Sell | 1,268 | $150.38 | $190.7K | 0 |
| Mar 5, 2023 | Alvingham Karen L. | Director | Sell | 30 | $160.76 | $4.8K | 0 |
| Mar 5, 2023 | Erickson John R | Head of Affiliate Engagement | Sell | 10,743 | $160.76 | $1.73M | 0 |
| Mar 5, 2023 | Horgen Jay C. | President and CEO | Sell | 27,887 | $160.76 | $4.48M | 0 |
| Mar 5, 2023 | Jamal Rizwan M | Head of Affiliate Investments | Sell | 13,835 | $160.76 | $2.22M | 0 |
| Mar 5, 2023 | Wojcik Thomas M | Chief Financial Officer | Sell | 15,919 | $160.76 | $2.56M | 0 |
| Jan 1, 2023 | Alvingham Karen L. | Director | Sell | 25 | $158.43 | $4.0K | 0 |
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