| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 5.1k | $133.04 | $684.5k | | 08/15/2023 |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 11k | $0.00 | $0 | | 08/15/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 20.2k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 10.7k | $160.76 | $1.7M | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 11k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 4.3k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 2.7k | $0.00 | $0 | | 03/05/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 1.9k | $158.43 | $296.4k | | 01/01/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 3.9k | $0.00 | $0 | | 01/01/2023 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 4.9k | $139.84 | $683.5k | | 08/15/2022 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 11k | $0.00 | $0 | | 08/15/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 9.5k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 4.7k | $129.17 | $605.7k | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 969 | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 11k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 7k | $0.00 | $0 | | 03/05/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 2k | $164.51 | $330.3k | | 01/01/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 4.4k | $0.00 | $0 | | 01/01/2022 |
| 12/03/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 3k | $169.95 | $509.8k | | 12/03/2021 |