| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 19.5k | $133.04 | $2.6M | | 08/15/2023 |
| 08/15/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 48k | $0.00 | $0 | | 08/15/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 60.8k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 27.9k | $160.76 | $4.5M | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 48k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 19.6k | $0.00 | $0 | | 03/05/2023 |
| 03/05/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 7.9k | $0.00 | $0 | | 03/05/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 3.6k | $158.43 | $577k | | 01/01/2023 |
| 01/01/2023 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 9k | $0.00 | $0 | | 01/01/2023 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 19.2k | $139.84 | $2.7M | | 08/15/2022 |
| 08/15/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 48k | $0.00 | $0 | | 08/15/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 33.4k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 14.4k | $129.17 | $1.9M | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 2.5k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 48k | $0.00 | $0 | | 03/05/2022 |
| 03/05/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 21.4k | $0.00 | $0 | | 03/05/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 4.4k | $164.51 | $716.9k | | 01/01/2022 |
| 01/01/2022 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 10.8k | $0.00 | $0 | | 01/01/2022 |
| 11/05/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Gift | Common Stock | 6k | $0.00 | $0 | | 01/01/2022 |
| 09/14/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 2k | $158.01 | $316k | | 09/14/2021 |
| 04/15/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 35.6k | $157.81 | $5.6M | | 04/15/2021 |
| 04/15/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Employee Stock Option (Right to Buy) | 41.1k | $122.40 | $5M | | 04/15/2021 |
| 03/05/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 19.3k | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 7.8k | $139.31 | $1.1M | | 03/05/2021 |
| 03/05/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 48k | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 10k | $0.00 | $0 | | 03/05/2021 |
| 02/09/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 4k | $136.23 | $544.9k | | 02/09/2021 |
| 01/01/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 8.3k | $101.70 | $842.7k | | 01/01/2021 |
| 01/01/2021 | AFFILIATED MANAGERS GROUP, INC. | AMG | Exercise | Stock Units | 5.8k | $0.00 | $0 | | 01/01/2021 |
| 09/01/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 5k | $67.90 | $339.5k | | 09/01/2020 |
| 05/13/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 10k | $59.26 | $592.6k | | 05/13/2020 |
| 03/12/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Purchase | Common Stock | 10k | $53.12 | $531.2k | | 03/12/2020 |
| 03/03/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Payment of Exercise | Common Stock | 3.2k | $73.81 | $238.9k | | 03/03/2020 |
| 03/03/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Common Stock | 8.7k | $0.00 | $0 | | 03/03/2020 |
| 03/03/2020 | AFFILIATED MANAGERS GROUP, INC. | AMG | Grant | Stock Units | 23.2k | $0.00 | $0 | | 03/03/2020 |
|