Thomas M. Wojcik, President and COO of Affiliated Managers Group, Inc. ($AMG), sold nearly $6 million in company shares through two open market transactions over the past year. His most recent sale occurred on March 6, 2026. These sales rank 1,695th among 11,678 individual insiders by total value, below the average of $8.6 million across 6.4 transactions per insider. Wojcik made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | F | Common Stock | 9136 | $299.18 | 167,465.0000 | 33,000,000 | 5.17% | 0.03% |
| March 5, 2026 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | A | Common Stock | 10619 | $0.00 | 176,601.0000 | 33,000,000 | 6.40% | 0.03% |
| March 5, 2026 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | M | Common Stock | 7272 | $0.00 | 165,982.0000 | 33,000,000 | 4.58% | 0.02% |
| March 5, 2026 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | M | Stock Units | 7272 | $0.00 | 9,546.0000 | 33,000,000 | 43.24% | 0.02% |
| March 6, 2026 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | S | Common Stock | 8000 | $286.30 | 159,465.0000 | 33,000,000 | 4.78% | 0.02% |
| Sept. 8, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | M | Employee Stock Option (Right to Buy) | 169303 | $0.00 | 1,342.0000 | 36,100,000 | 99.21% | 0.47% |
| Sept. 9, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | S | Common Stock | 16000 | $231.03 | 158,710.0000 | 36,100,000 | 9.16% | 0.04% |
| Sept. 8, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | F | Common Stock | 114008 | $231.19 | 174,710.0000 | 36,100,000 | 39.49% | 0.32% |
| Sept. 8, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | President and COO | M | Common Stock | 169303 | $74.49 | 288,718.0000 | 36,100,000 | 141.78% | 0.47% |
| March 5, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Common Stock | 7287 | $0.00 | 113,080.0000 | 36,100,000 | 6.89% | 0.02% |
| March 5, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Stock Units | 7287 | $0.00 | 10,918.0000 | 36,100,000 | 40.03% | 0.02% |
| March 5, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | F | Common Stock | 14220 | $165.72 | 119,415.0000 | 36,100,000 | 10.64% | 0.04% |
| March 5, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | A | Common Stock | 20555 | $0.00 | 133,635.0000 | 36,100,000 | 18.18% | 0.06% |
| March 5, 2025 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | A | Stock Units | 5900 | $0.00 | 5,900.0000 | 36,100,000 | 9999.99% | 0.02% |
| Oct. 4, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Common Stock | 75000 | $74.49 | 159,392.0000 | 35,200,000 | 88.87% | 0.21% |
| Oct. 4, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | F | Common Stock | 53599 | $181.18 | 105,793.0000 | 35,200,000 | 33.63% | 0.15% |
| Oct. 4, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Employee Stock Option (Right to Buy) | 75000 | $0.00 | 170,645.0000 | 35,200,000 | 30.53% | 0.21% |
| Aug. 16, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Employee Stock Option (Right to Buy) | 127500 | $0.00 | 245,645.0000 | 42,200,000 | 34.17% | 0.30% |
| Aug. 16, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | S | Common Stock | 4786 | $172.71 | 84,392.0000 | 42,200,000 | 5.37% | 0.01% |
| Aug. 16, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | G | Common Stock | 3125 | $0.00 | 89,178.0000 | 42,200,000 | 3.39% | 0.01% |
| Aug. 16, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | F | Common Stock | 92364 | $172.25 | 92,303.0000 | 42,200,000 | 50.02% | 0.22% |
| Aug. 16, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Operating Officer | M | Common Stock | 127500 | $74.49 | 184,667.0000 | 42,200,000 | 223.03% | 0.30% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Stock Units | 6432 | $0.00 | 6,432.0000 | 42,200,000 | 9999.99% | 0.02% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Common Stock | 5678 | $0.00 | 53,539.0000 | 42,200,000 | 11.86% | 0.01% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Employee Stock Option (Right to Buy) | 373145 | $0.00 | 373,145.0000 | 42,200,000 | 9999.99% | 0.88% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Stock Units | 5678 | $0.00 | 11,773.0000 | 42,200,000 | 32.54% | 0.01% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | F | Common Stock | 9778 | $158.58 | 57,167.0000 | 42,200,000 | 14.61% | 0.02% |
| March 5, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Common Stock | 13406 | $0.00 | 66,945.0000 | 42,200,000 | 25.04% | 0.03% |
| Jan. 1, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Stock Units | 2642 | $0.00 | 17,451.0000 | 42,200,000 | 13.15% | 0.01% |
| Jan. 1, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Common Stock | 2642 | $0.00 | 49,260.0000 | 42,200,000 | 5.67% | 0.01% |
| Jan. 1, 2024 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | F | Common Stock | 1399 | $151.42 | 47,861.0000 | 42,200,000 | 2.84% | 0.00% |
| Aug. 15, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Stock Units | 4923 | $0.00 | 0.0000 | 49,000,000 | 100.00% | 0.01% |
| Aug. 15, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Common Stock | 4923 | $0.00 | 49,155.0000 | 49,000,000 | 11.13% | 0.01% |
| Aug. 15, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | F | Common Stock | 2537 | $133.04 | 46,618.0000 | 49,000,000 | 5.16% | 0.01% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Stock Units | 3773 | $0.00 | 12,473.0000 | 49,000,000 | 23.22% | 0.01% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Common Stock | 3773 | $0.00 | 60,151.0000 | 49,000,000 | 6.69% | 0.01% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Common Stock | 27741 | $0.00 | 56,378.0000 | 49,000,000 | 96.87% | 0.06% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | F | Common Stock | 15919 | $160.76 | 44,232.0000 | 49,000,000 | 26.47% | 0.03% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Stock Units | 4923 | $0.00 | 4,923.0000 | 49,000,000 | 9999.99% | 0.01% |
| March 5, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | A | Stock Units | 7620 | $0.00 | 7,620.0000 | 49,000,000 | 9999.99% | 0.02% |
| Jan. 1, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Stock Units | 2642 | $0.00 | 16,246.0000 | 49,000,000 | 13.99% | 0.01% |
| Jan. 1, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | F | Common Stock | 1389 | $158.43 | 28,637.0000 | 49,000,000 | 4.63% | 0.00% |
| Jan. 1, 2023 | AFFILIATED MANAGERS GROUP, INC. | $AMG | Wojcik Thomas M | Chief Financial Officer | M | Common Stock | 2642 | $0.00 | 30,026.0000 | 49,000,000 | 9.65% | 0.01% |