InsiderTrades

Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.

Accepted 2026-06-15 17:03:13 ET · period of report 2026-06-12 · accession 0001004434-26-000068 · 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 2026-06-15 17:03 2026-06-12 AMG Palandjian Tracy P. Dir M - OptEx $82.07 +2,958 18.2K +19% +$242.8K
D 2026-06-15 17:03 2026-06-12 AMG Palandjian Tracy P. Dir F - Tax $354.62 -685 17.5K -4% -$242.9K
D 2026-06-15 17:03 2026-06-12 AMG Palandjian Tracy P. Dir M - OptEx $0.00 -2,958 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-12 M A 2,958 $82.07 18,212 D — —
2 Common Common Stock 2026-06-12 F D 685 $354.62 17,527 D — —
3 Derivative Director Stock Option (Right to Buy) 2026-06-12 M D 2,958 $0.00 0 D $82.07 · 2024-01-01 to 2027-02-04 2,958 Common Stock