| 2024-08-26 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 6,000 | $223.27 | $1,339,629.90 | -0.8% | → |
| 2024-08-23 | Munson Paul E. | SVP & Corp. Controller | Sell | 1,000 | $219.82 | $219,816.00 | -57.7% | → |
| 2024-08-19 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 1,005 | $219.00 | $220,095.00 | -0.4% | → |
| 2024-08-16 | BESSETTE ANDY F | EVP and Chief Admin Officer | Sale+OE | 5,000 | $217.21 | $1,086,025.00 | -22.8% | → |
| 2024-07-25 | Klein Michael Frederick | EVP & President, Personal Ins. | Sale+OE | 10,000 | $211.44 | $2,114,370.00 | -30.5% | → |
| 2024-05-02 | Toczydlowski Gregory C | EVP & President, Business Ins. | Sell | 9,372 | $214.92 | $2,014,214.84 | -33.7% | → |
| 2024-05-01 | Klenk Jeffrey P. | EVP & Pres., Bond & Spec. Ins. | Sell | 3,635 | $213.68 | $776,726.80 | -37.4% | → |
| 2024-04-25 | Frey Daniel S. | EVP & Chief Financial Officer | Sell | 5,000 | $212.90 | $1,064,482.00 | -21.3% | → |
| 2024-04-23 | Klein Michael Frederick | EVP & President, Personal Ins. | Sale+OE | 10,000 | $213.96 | $2,139,618.49 | -12.2% | → |
| 2024-02-29 | Yin Daniel Tei-Hwa | EVP & Co-Chief Invest. Officer | Sale+OE | 9,502 | $221.34 | $2,103,172.68 | -13.9% | → |
| 2024-02-28 | Klein Michael Frederick | EVP & President, Personal Ins. | Sale+OE | 10,000 | $220.69 | $2,206,870.03 | -17.9% | → |
| 2024-02-27 | Rowland David Donnay | EVP & Co-Chief Invest. Officer | Sell | 5,264 | $220.94 | $1,163,025.03 | -40.1% | → |
| 2024-02-22 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 3,000 | $222.25 | $666,750.00 | -0.6% | → |
| 2024-02-22 | Kurtzman Diane | EVP & Chief HR Officer | Sell | 2,993 | $220.14 | $658,882.01 | -57.5% | → |
| 2024-02-22 | Lefebvre Mojgan M | EVP & Chief Tech & Ops Officer | Sale+OE | 18,716 | $220.00 | $4,117,511.20 | -100% | → |
| 2024-02-21 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 4,000 | $220.56 | $882,250.00 | -0.8% | → |
| 2024-02-15 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 3,000 | $218.75 | $656,250.00 | -0.6% | → |
| 2024-02-14 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 4,181 | $216.85 | $906,629.43 | -0.5% | → |
| 2024-02-12 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 2,000 | $215.88 | $431,750.00 | -0.8% | → |
| 2024-02-09 | BESSETTE ANDY F | EVP and Chief Admin Officer | Sale+OE | 10,000 | $214.75 | $2,147,496.00 | -45.0% | → |
| 2024-02-08 | Schnitzer Alan D | Chairman and CEO | Sale+OE | 44,896 | $212.61 | $9,545,460.09 | -3.5% | → |
| 2024-02-06 | Frey Daniel S. | EVP & Chief Financial Officer | Sale+OE | 38,000 | $212.55 | $8,076,964.60 | -72.0% | → |
| 2024-02-02 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 4,500 | $215.06 | $967,750.10 | -0.9% | → |
| 2024-02-02 | Yin Daniel Tei-Hwa | EVP & Co-Chief Invest. Officer | Sale+OE | 5,406 | $213.74 | $1,155,464.93 | -9.1% | → |
| 2024-02-02 | Rowland David Donnay | EVP & Co-Chief Invest. Officer | Sale+OE | 10,181 | $214.00 | $2,178,756.40 | -56.4% | → |
| 2024-01-31 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 2,500 | $214.21 | $535,516.00 | -1.0% | → |
| 2024-01-30 | OLIVO MARIA | EVP, Strat Dev & Pres Intl | Sale+OE | 10,553 | $212.93 | $2,247,012.30 | -9.3% | → |
| 2024-01-30 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 2,500 | $213.54 | $533,846.50 | -1.0% | → |
| 2024-01-26 | Toczydlowski Gregory C | EVP & President, Business Ins. | Sale+OE | 45,591 | $211.67 | $9,650,192.26 | -71.2% | → |
| 2024-01-25 | Kurtzman Diane | EVP & Chief HR Officer | Sale+OE | 3,000 | $211.02 | $633,060.00 | -57.5% | → |
| 2024-01-24 | Klenk Jeffrey P. | EVP & Pres., Bond & Spec. Ins. | Sale+OE | 17,149 | $212.54 | $3,644,874.18 | -73.8% | → |
| 2024-01-23 | HEYMAN WILLIAM H | Vice Chairman | Sale+OE | 26,633 | $212.76 | $5,666,392.44 | -4.9% | → |
| 2024-01-23 | Munson Paul E. | SVP & Corp. Controller | Sale+OE | 2,121 | $212.86 | $451,476.06 | -74.7% | → |
| 2024-01-23 | Klein Michael Frederick | EVP & President, Personal Ins. | Sale+OE | 12,287 | $210.68 | $2,588,657.96 | -29.6% | → |