Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-06-29 | 35.100 | 35.110 | 34.850 | 35.070 | 26.078 | 526,700 |
| 2012-06-28 | 33.980 | 34.690 | 33.950 | 34.660 | 25.774 | 657,300 |
| 2012-06-27 | 34.430 | 34.430 | 34.080 | 34.170 | 25.409 | 399,800 |
| 2012-06-26 | 34.300 | 34.580 | 34.090 | 34.500 | 25.402 | 494,800 |
| 2012-06-25 | 34.420 | 34.520 | 34.060 | 34.290 | 25.247 | 560,800 |
| 2012-06-22 | 34.790 | 34.900 | 34.420 | 34.790 | 25.615 | 1,995,300 |
| 2012-06-21 | 34.900 | 35.130 | 34.520 | 34.610 | 25.483 | 659,200 |
| 2012-06-20 | 34.700 | 34.930 | 34.550 | 34.810 | 25.630 | 629,700 |
| 2012-06-19 | 34.570 | 34.960 | 34.550 | 34.930 | 25.718 | 574,000 |
| 2012-06-18 | 33.810 | 34.640 | 33.810 | 34.540 | 25.431 | 674,600 |
| 2012-06-15 | 34.600 | 34.680 | 34.050 | 34.080 | 25.092 | 1,211,400 |
| 2012-06-14 | 34.410 | 34.610 | 34.180 | 34.550 | 25.439 | 729,500 |
| 2012-06-13 | 34.310 | 34.840 | 34.050 | 34.410 | 25.335 | 651,100 |
| 2012-06-12 | 34.290 | 34.540 | 34.110 | 34.420 | 25.343 | 894,900 |
| 2012-06-11 | 34.750 | 34.890 | 34.160 | 34.180 | 25.166 | 611,200 |
| 2012-06-08 | 34.690 | 34.750 | 34.440 | 34.540 | 25.431 | 929,500 |
| 2012-06-07 | 35.290 | 35.350 | 34.810 | 34.820 | 25.637 | 619,700 |
| 2012-06-06 | 34.470 | 34.980 | 34.430 | 34.980 | 25.755 | 422,800 |
| 2012-06-05 | 33.990 | 34.290 | 33.990 | 34.250 | 25.218 | 432,400 |
| 2012-06-04 | 34.240 | 34.300 | 33.820 | 34.150 | 25.144 | 497,500 |
| 2012-06-01 | 34.160 | 34.600 | 34.120 | 34.210 | 25.188 | 655,200 |
| 2012-05-31 | 34.750 | 34.970 | 34.550 | 34.740 | 25.578 | 3,792,200 |
| 2012-05-30 | 35.110 | 35.160 | 34.790 | 34.790 | 25.615 | 558,700 |
| 2012-05-29 | 35.190 | 35.360 | 35.040 | 35.260 | 25.961 | 470,300 |
| 2012-05-25 | 35.090 | 35.310 | 34.870 | 34.940 | 25.726 | 262,100 |
| 2012-05-24 | 34.820 | 35.140 | 34.700 | 35.140 | 25.873 | 770,300 |
| 2012-05-23 | 34.380 | 34.750 | 34.230 | 34.710 | 25.556 | 538,000 |
| 2012-05-22 | 34.220 | 34.730 | 34.160 | 34.610 | 25.483 | 845,000 |
| 2012-05-21 | 33.960 | 34.190 | 33.750 | 34.100 | 25.107 | 766,100 |
| 2012-05-18 | 34.590 | 34.620 | 33.790 | 33.840 | 24.916 | 766,200 |
| 2012-05-17 | 35.120 | 35.120 | 34.530 | 34.530 | 25.424 | 872,100 |
| 2012-05-16 | 35.630 | 35.670 | 35.080 | 35.080 | 25.829 | 359,700 |
| 2012-05-15 | 35.510 | 35.770 | 35.350 | 35.500 | 26.138 | 383,500 |
| 2012-05-14 | 35.500 | 35.710 | 35.300 | 35.490 | 26.131 | 667,100 |
| 2012-05-11 | 35.710 | 36.020 | 35.450 | 35.850 | 26.396 | 530,500 |
| 2012-05-10 | 35.930 | 36.120 | 35.520 | 35.860 | 26.403 | 932,300 |
| 2012-05-09 | 36.050 | 36.160 | 35.790 | 36.010 | 26.514 | 604,300 |
| 2012-05-08 | 36.320 | 36.420 | 36.020 | 36.220 | 26.668 | 917,600 |
| 2012-05-07 | 36.600 | 36.650 | 36.230 | 36.360 | 26.771 | 928,300 |
| 2012-05-04 | 37.140 | 37.140 | 36.580 | 36.760 | 27.066 | 892,000 |
| 2012-05-03 | 37.260 | 37.560 | 37.080 | 37.140 | 27.346 | 668,100 |
| 2012-05-02 | 37.390 | 38.240 | 37.100 | 37.340 | 27.493 | 786,600 |
| 2012-05-01 | 37.610 | 37.950 | 37.460 | 37.730 | 27.780 | 768,900 |
| 2012-04-30 | 37.450 | 37.660 | 37.330 | 37.560 | 27.655 | 518,500 |
| 2012-04-27 | 37.500 | 37.670 | 37.180 | 37.580 | 27.669 | 704,100 |
| 2012-04-26 | 37.010 | 37.500 | 36.830 | 37.410 | 27.544 | 505,000 |
| 2012-04-25 | 36.620 | 37.110 | 36.500 | 37.000 | 27.242 | 880,000 |
| 2012-04-24 | 36.310 | 36.500 | 36.210 | 36.490 | 26.867 | 460,600 |
| 2012-04-23 | 36.090 | 36.290 | 35.890 | 36.280 | 26.712 | 643,700 |
| 2012-04-20 | 36.250 | 36.460 | 36.110 | 36.400 | 26.801 | 747,900 |
| 2012-04-19 | 35.690 | 36.230 | 35.670 | 36.210 | 26.661 | 966,700 |
| 2012-04-18 | 35.660 | 35.970 | 35.450 | 35.660 | 26.256 | 1,229,500 |
| 2012-04-17 | 35.260 | 35.980 | 35.170 | 35.850 | 26.396 | 1,229,600 |
| 2012-04-16 | 35.050 | 35.230 | 34.850 | 35.020 | 25.785 | 539,900 |
| 2012-04-13 | 35.110 | 35.420 | 34.880 | 34.890 | 25.689 | 978,600 |
| 2012-04-12 | 34.940 | 35.160 | 34.660 | 35.070 | 25.821 | 683,300 |
| 2012-04-11 | 34.950 | 34.970 | 34.630 | 34.870 | 25.674 | 747,300 |
| 2012-04-10 | 35.450 | 35.470 | 34.670 | 34.670 | 25.527 | 869,600 |
| 2012-04-09 | 35.610 | 35.610 | 35.360 | 35.510 | 26.145 | 780,900 |
| 2012-04-05 | 35.820 | 36.230 | 35.710 | 36.000 | 26.506 | 533,400 |
Stock splits
| Date | Split (new : old) |
|---|
| 2001-01-19 | 2:1 |
| 2000-03-16 | 2:1 |
Dividends
| Ex-date | Amount |
|---|
| 2026-09-08 | 0.7000 USD |
| 2026-06-05 | 0.7000 USD |
| 2026-03-06 | 0.7000 USD |
| 2025-12-05 | 0.6500 USD |
| 2025-09-05 | 0.6500 USD |
| 2025-06-06 | 0.6500 USD |
| 2025-03-07 | 0.6500 USD |
| 2024-12-06 | 0.6000 USD |
| 2024-09-06 | 0.6000 USD |
| 2024-06-07 | 0.6000 USD |
| 2024-02-29 | 0.6000 USD |
| 2023-11-30 | 0.5500 USD |
| 2023-08-31 | 0.5500 USD |
| 2023-06-01 | 0.5500 USD |
| 2023-03-02 | 0.5500 USD |
| 2022-12-01 | 0.5100 USD |
| 2022-09-01 | 0.5100 USD |
| 2022-06-02 | 0.5100 USD |
| 2022-03-03 | 0.5100 USD |
| 2021-12-02 | 0.4800 USD |
| 2021-09-02 | 0.4800 USD |
| 2021-06-03 | 0.4800 USD |
| 2021-03-04 | 0.4800 USD |
| 2020-12-03 | 0.4500 USD |
| 2020-09-03 | 0.4500 USD |
| 2020-06-04 | 0.4500 USD |
| 2020-03-05 | 0.4500 USD |
| 2019-12-05 | 0.4300 USD |
| 2019-09-05 | 0.4300 USD |
| 2019-06-06 | 0.4300 USD |
| 2019-02-28 | 0.4300 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.