InsiderTrades

Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.

Accepted 2023-08-17 00:00:00 ET · period of report 2023-08-15 · accession 0001127602-23-022841 · 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 2023-08-17 2023-08-15 AMG Alvingham Karen L. Dir F - Tax $133.04 -58 3,653 -2% -$7,716
D 2023-08-17 2023-08-15 AMG Alvingham Karen L. Dir M - OptEx $0.00 +753 3,711 +25% $0
D 2023-08-17 2023-08-15 AMG Alvingham Karen L. Dir M - OptEx $0.00 -753 4,962 -13% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-08-15 F D 58 $133.04 3,653 D — — (F2) Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.
2 Common Common Stock 2023-08-15 M A 753 $0.00 3,711 D — — (F1) Reflects the vesting of previously reported awards. Awards vest 2021-2026.
3 Derivative Stock Units 2023-08-15 M D 753 $0.00 4,962 D — · — to — 753 Common Stock (F3) Inclusive of previously reported deferred stock units. (F1) Reflects the vesting of previously reported awards. Awards vest 2021-2026.