| 2022-02-23 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 60,634 0.0293% | $152.93 | $9.27M | +18.76% | |
| 2020-02-10 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 43,810 0.023% | $105.65 | $4.63M | -1.2% | |
| 2018-06-19 | Arthur J. Gallagher & Co. AJG | President & CEO | 18,180 0.01% | $66.11 | $1.2M | +14.86% | ||
| 2015-02-27 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 128,900 0.0782% | $47.21 | $6.09M | -3.64% | |
| 2013-05-17 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 10,000 0.0061% | $35.20 | $352,000 | +1.92% | |
| 2012-12-03 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 73,298 0.0587% | $36.58 | $2.68M | +20.38% | |
| 2012-06-08 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 24,000 0.0201% | $34.59 | $830,160 | +6.99% | |
| 2012-02-14 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 50,000 0.043% | $35.10 | $1.76M | +4.05% | |
| 2012-02-14 | Arthur J. Gallagher & Co. AJG | President & CEO | 50,000 0.043% | $35.10 | $1.76M | +4.05% | ||
| 2011-06-10 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 25,000 0.0215% | $26.50 | $662,500 | +17.8% | |
| 2010-05-03 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 27,000 0.0183% | $18.50 | $499,500 | +7.81% | |
| 2008-08-12 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 12,000 0.0045% | $9.25 | $111,000 | -9.79% | |
| 2006-05-11 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 2,000 0.0021% | $27.02 | $54,036 | +6.38% | |
| 2005-05-11 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 28,456 0.03% | $27.42 | $780,212 | +6.12% | |
| 2004-05-05 | Sale | Arthur J. Gallagher & Co. AJG | President & CEO | 28,000 0.031% | $32.00 | $896,000 | -2.73% |