| 2025-06-02 | Sutherland Todd Randell | President, E&S Lines Segment | Buy | 17,000 | $5.87 | $99,796.80 | +228.0% | → |
| 2025-05-20 | Migliorato Peter B. | Director | Buy | 18,500 | $5.46 | $101,076.60 | +89.4% | → |
| 2025-05-19 | LaSala Christine | - | Buy | 29,125 | $5.23 | $152,210.16 | +92.1% | → |
| 2025-05-15 | D'Orazio Frank | Chief Executive Officer | Buy | 100,000 | $4.75 | $474,560.00 | +31.6% | → |
| 2022-11-04 | Brown Thomas Lynn | - | Buy | 2,000 | $23.03 | $46,067.20 | +26.9% | → |
| 2022-11-04 | Gould Kirstin | - | Buy | 3,000 | $23.05 | $69,146.70 | +45.5% | → |
| 2022-03-11 | Roberts Patricia H | - | Buy | 1,105 | $22.18 | $24,507.13 | +11.3% | → |
| 2022-03-10 | Sherman Ollie L. Jr. | - | Buy | 4,800 | $21.49 | $103,151.52 | +56.9% | → |
| 2022-03-10 | Cowell Janet Raye | - | Buy | 915 | $21.76 | $19,910.31 | +9.9% | → |
| 2022-03-04 | Doran Sarah C. | Chief Financial Officer | Buy | 4,800 | $20.16 | $96,779.04 | +6.9% | → |
| 2022-03-04 | Schmitzer Richard | Pres. & CEO - E&S Lines Sgmt | Buy | 12,450 | $20.31 | $252,878.18 | +5.6% | → |
| 2022-03-04 | Brown Thomas Lynn | - | Buy | 2,000 | $19.98 | $39,958.80 | +36.8% | → |
| 2022-03-04 | Romann Gould Kirstin | - | Buy | 4,150 | $20.40 | $84,646.09 | +54.1% | → |
| 2022-03-04 | Srinivasan Sundar | - | Buy | 12,500 | $20.32 | $254,059.38 | +70.3% | → |
| 2022-03-03 | Abram J Adam | - | Buy | 24,000 | $20.39 | $489,463.20 | +5.2% | → |
| 2022-03-03 | D'Orazio Frank | Chief Executive Officer | Buy | 50,000 | $20.64 | $1,031,865.00 | +42.3% | → |
| 2021-11-10 | Brown Thomas Lynn | - | Buy | 3,000 | $29.16 | $87,480.00 | New | → |
| 2020-11-18 | Heinlein Daniel | Pres & CEO-Casualty Rein Sgmt | Sell | 4,416 | $50.40 | $222,564.32 | -8.1% | → |
| 2020-11-17 | Doran Sarah C. | Chief Financial Officer | Sell | 14,012 | $50.13 | $702,423.29 | -12.6% | → |
| 2020-08-04 | Myron Robert Patrick | President & COO | Sell | 65,000 | $44.70 | $2,905,183.69 | -11.4% | → |
| 2020-06-10 | Cowell Janet Raye | - | Sell | 1,115 | $40.89 | $45,586.77 | -16.1% | → |
| 2020-05-14 | Doran Sarah C. | Chief Financial Officer | Buy | 2,555 | $29.40 | $75,117.00 | +5.8% | → |
| 2020-05-07 | Abram J Adam | Chief Executive Officer | Buy | 15,384 | $31.86 | $490,075.78 | +3.4% | → |
| 2020-03-12 | Abram J Adam | Chief Executive Officer | Buy | 15,000 | $33.40 | $501,061.50 | +3.4% | → |
| 2019-11-14 | Cowell Janet Raye | - | Buy | 699 | $35.72 | $24,968.21 | +13.8% | → |
| 2019-11-12 | Abram J Adam | Chief Executive Officer | Buy | 14,285 | $35.41 | $505,856.22 | +1.7% | → |
| 2019-03-01 | Crow Michael E | Principal Accounting Officer | Sale+OE | 7,019 | $40.69 | $285,619.58 | -7.3% | → |
| 2018-05-15 | MARTIN BRYAN | - | Sell | 3,297,238 | $36.00 | $118,700,568.00 | -100% | → |
| 2018-05-15 | Zwillinger David | - | Sell | 3,297,238 | $36.00 | $118,700,568.00 | -100% | → |
| 2018-05-15 | D. E. Shaw Oculus Portfolios, L.L.C. | - | Sell | 3,297,238 | $36.00 | $118,700,568.00 | -100% | → |
| 2018-05-15 | Oakes Michael T | Director | Sell | 17,305 | $36.51 | $631,843.94 | -30.6% | → |
| 2018-05-08 | Oakes Michael T | Director | Sell | 22,695 | $37.51 | $851,380.23 | -42.3% | → |
| 2018-03-13 | Hartman Steven J | Pres. & CEO-Sp Adm Ins Sgmt | Sale+OE | 25,000 | $34.63 | $865,775.00 | -29.6% | → |
| 2018-02-28 | Cowell Janet Raye | Director | Buy | 1,206 | $33.16 | $39,990.96 | +45.2% | → |
| 2017-11-27 | D. E. Shaw Oculus Portfolios, L.L.C. | - | Sell | 450,000 | $38.10 | $17,145,000.00 | -12.0% | → |
| 2017-11-27 | Zwillinger David | - | Sell | 450,000 | $38.10 | $17,145,000.00 | -12.0% | → |
| 2017-11-27 | MARTIN BRYAN | - | Sell | 450,000 | $38.10 | $17,145,000.00 | -12.0% | → |
| 2017-11-13 | Zwillinger David | - | Sell | 2,600,000 | $38.10 | $99,060,000.00 | -41.0% | → |
| 2017-11-13 | D. E. Shaw Oculus Portfolios, L.L.C. | - | Sell | 2,600,000 | $38.10 | $99,060,000.00 | -41.0% | → |
| 2017-11-13 | MARTIN BRYAN | - | Sell | 2,600,000 | $38.10 | $99,060,000.00 | -41.0% | → |
| 2017-11-13 | Abram J Adam | Chairman of the Board and CEO | Sell | 400,000 | $38.10 | $15,240,000.00 | -52.1% | → |
| 2017-08-29 | Hartman Steven J | Pres. & CEO-Sp. Adm. Ins Sgmt | Sale+OE | 5,264 | $38.91 | $204,801.18 | -9.4% | → |