InsiderTrades

Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.

Accepted 2025-05-13 00:00:00 ET · period of report 2025-05-12 · accession 0001127602-25-014117 · 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
D 2025-05-13 2025-05-12 AMG Churchill Dwight D. Dir M - OptEx $160.01 +1,353 28.8K +5% +$216.5K
D 2025-05-13 2025-05-12 AMG Churchill Dwight D. Dir F - Tax $183.83 -1,178 27.6K -4% -$216.6K
D 2025-05-13 2025-05-12 AMG Churchill Dwight D. Dir M - OptEx $0.00 -1,353 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-12 M A 1,353 $160.01 28,810 D — —
2 Common Common Stock 2025-05-12 F D 1,178 $183.83 27,632 D — —
3 Derivative Director Stock Option (Right to Buy) 2025-05-12 M D 1,353 $0.00 0 D $160.01 · 2022-01-01 to 2025-07-31 1,353 Common Stock