| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Palandjian Tracy P. | Director | C/O AFFILIATED MANAGERS GROUP, INC., 777 SOUTH FLAGLER DRIVE, WEST PALM BEACH | /s/ Kavita Padiyar, Attorney-in-Fact | 2025-05-13 | 0001543889 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMG | Common Stock | Options Exercise | $216K | +1.35K | +8.93% | $160.01 | 16.5K | May 12, 2025 | Direct | |
| transaction | AMG | Common Stock | Options Exercise | $197K | +1.79K | +10.82% | $110.02 | 18.3K | May 12, 2025 | Direct | |
| transaction | AMG | Common Stock | Options Exercise | $118K | +1.36K | +7.44% | $86.78 | 19.7K | May 12, 2025 | Direct | |
| transaction | AMG | Common Stock | Tax liability | -$531K | -2.89K | -14.7% | $183.83 | 16.8K | May 12, 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMG | Director Stock Option (Right to Buy) | Options Exercise | $0 | -1.35K | -100% | $0.00 | 0 | May 12, 2025 | Common Stock | 1.35K | $160.01 | Direct | |
| transaction | AMG | Director Stock Option (Right to Buy) | Options Exercise | $0 | -1.79K | -100% | $0.00 | 0 | May 12, 2025 | Common Stock | 1.79K | $110.02 | Direct | |
| transaction | AMG | Director Stock Option (Right to Buy) | Options Exercise | $0 | -1.36K | -100% | $0.00 | 0 | May 12, 2025 | Common Stock | 1.36K | $86.78 | Direct |