AFFILIATED MANAGERS GROUP, INC. (AMG) insider buying and selling
There were no open-market insider purchases or sales at AFFILIATED MANAGERS GROUP, INC. (AMG) in the last 90 days. Over the last 12 months, 2 insiders bought $687K of the stock, led by G. Staley Cates (Director), who bought $459K on May 6, 2026; 3 insiders sold $7.3M.
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Unlock AMGRecent open-market insider trades
Trades by the same insider within a week are shown as one line.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jay C. Horgen CEO | Open market sale | 17,500 | $338.27 | $5.9M | |
| ANNETTE FRANQUI Director | Open market purchase | 750 | $304.88 | $229K | |
| Rodriguez Felix V. Matos Director | Open market sale | 1,000 | $300.18 | $300K | |
| David Christopher Ryan Director | Open market sale | 3,402 | $305.06 | $1.0M | |
| G. Staley Cates Director | Open market purchase | 1,500 | $305.83 | $459K |
What the AMG insider trades really mean
The table above is the public summary. With an Insider Intel account you get the analysis behind it, for AFFILIATED MANAGERS GROUP, INC. and every other stock we track:
AMG's AI Signal score
One score from six weighted factors, with the full breakdown behind it, so you can see whether the buying is a real signal.
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See each AMG insider purchase and sale plotted on the chart, with the gain or loss on every one since.
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Is G. Staley Cates worth following? See their grade, win rate and average return on past purchases.
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Questions about AMG insider trading
Who bought AFFILIATED MANAGERS GROUP, INC. (AMG) stock recently?
Insiders who bought AFFILIATED MANAGERS GROUP, INC. stock on the open market in the last 12 months: G. Staley Cates ($459K), ANNETTE FRANQUI ($229K). The most recent purchase was reported on Jun 1, 2026.
Are insiders buying or selling AMG?
Over the last 12 months insiders were net sellers of AMG on discretionary trades: $687K bought against $7.3M sold (scheduled and tax-related sales excluded).
What is a sell-to-cover or 10b5-1 sale?
A 10b5-1 sale is scheduled in advance under a pre-arranged plan, and a sell-to-cover sale is made to pay tax on vesting shares. Neither is a fresh decision to sell, so they say less about an insider's view than a discretionary sale.
Where does this data come from?
Officers, directors and large shareholders report their trades to the SEC on Form 4. This page lists the open-market purchases and sales by individual insiders from those public filings; funds and other institutions are not shown.
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How to read this page
Officers, directors and large shareholders must report their trades in company shares to the SEC on Form 4. This page lists open-market purchases and sales by individual insiders: trades made on the stock exchange at the going price. Funds and other institutions are not shown here.
Information from SEC EDGAR Form 4 filings, shown for general information only. It is not financial advice and does not recommend buying or selling any security. Trades are shown by transaction date and may be reported up to two business days later.