InsiderTrades

Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.

Accepted 2026-05-08 17:15:04 ET · period of report 2026-05-06 · accession 0001004434-26-000058 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-05-08 17:15 2026-05-06 AMG Ryan David Christopher Dir S - Sale $305.06 -3,402 1,092 -76% -$1.04M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-06 S D 3,402 $305.06 1,092 D — — (F1) The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $303.54 to $307.71. Specific transaction details will be provided to the SEC upon request.