| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 6.1k | $133.04 | $806.8k | | 08/15/2023 |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 12.5k | $0.00 | $0 | | 08/15/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 23.8k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 13.8k | $160.76 | $2.2M | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 12.5k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 7.7k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 4.8k | $0.00 | $0 | | 03/05/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 2.1k | $158.43 | $334.1k | | 01/01/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 4.7k | $0.00 | $0 | | 01/01/2023 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 5.6k | $139.84 | $779k | | 08/15/2022 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 12.5k | $0.00 | $0 | | 08/15/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 11.1k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 5.6k | $129.17 | $724k | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 1.5k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 12.5k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 13.2k | $0.00 | $0 | | 03/05/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 2.4k | $164.51 | $397.6k | | 01/01/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 5.4k | $0.00 | $0 | | 01/01/2022 |
| 12/03/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 3k | $171.47 | $514.4k | | 12/03/2021 |
| 11/04/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 15.7k | $185.87 | $2.9M | | 11/04/2021 |
| 11/04/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Employee Stock Option (Right to Buy) | 19.5k | $122.40 | $2.4M | | 11/04/2021 |