Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2016-04-25 | 44.990 | 45.050 | 44.660 | 44.910 | 37.831 | 819,400 |
| 2016-04-22 | 44.690 | 45.280 | 44.670 | 45.030 | 37.932 | 1,462,500 |
| 2016-04-21 | 45.200 | 45.530 | 44.740 | 44.750 | 37.696 | 780,300 |
| 2016-04-20 | 45.400 | 45.510 | 44.960 | 45.370 | 38.219 | 491,100 |
| 2016-04-19 | 45.280 | 45.670 | 45.080 | 45.330 | 38.185 | 889,300 |
| 2016-04-18 | 44.820 | 45.330 | 44.730 | 45.300 | 38.160 | 675,000 |
| 2016-04-15 | 44.720 | 44.960 | 44.630 | 44.940 | 37.856 | 649,400 |
| 2016-04-14 | 44.720 | 44.880 | 44.490 | 44.690 | 37.646 | 678,700 |
| 2016-04-13 | 44.190 | 44.800 | 44.120 | 44.800 | 37.738 | 661,400 |
| 2016-04-12 | 43.890 | 44.170 | 43.580 | 44.090 | 37.140 | 787,700 |
| 2016-04-11 | 43.570 | 44.180 | 43.210 | 43.800 | 36.896 | 580,800 |
| 2016-04-08 | 43.820 | 43.940 | 43.470 | 43.590 | 36.719 | 628,700 |
| 2016-04-07 | 43.700 | 43.800 | 43.170 | 43.430 | 36.584 | 1,091,800 |
| 2016-04-06 | 43.790 | 44.060 | 43.590 | 44.000 | 37.065 | 647,600 |
| 2016-04-05 | 44.090 | 44.220 | 43.710 | 43.730 | 36.837 | 590,200 |
| 2016-04-04 | 44.570 | 44.730 | 44.260 | 44.440 | 37.435 | 1,078,400 |
| 2016-04-01 | 44.290 | 44.700 | 44.050 | 44.630 | 37.595 | 641,600 |
| 2016-03-31 | 44.320 | 44.670 | 44.290 | 44.480 | 37.469 | 896,700 |
| 2016-03-30 | 44.470 | 44.650 | 44.290 | 44.370 | 37.376 | 764,300 |
| 2016-03-29 | 43.920 | 44.310 | 43.750 | 44.270 | 37.292 | 1,186,200 |
| 2016-03-28 | 44.040 | 44.120 | 43.870 | 43.930 | 37.006 | 795,900 |
| 2016-03-24 | 43.840 | 44.000 | 43.660 | 43.980 | 37.048 | 674,100 |
| 2016-03-23 | 44.100 | 44.150 | 43.770 | 44.020 | 37.081 | 719,300 |
| 2016-03-22 | 43.950 | 44.320 | 43.810 | 44.100 | 37.149 | 645,600 |
| 2016-03-21 | 44.120 | 44.250 | 43.840 | 44.100 | 37.149 | 793,600 |
| 2016-03-18 | 43.530 | 44.000 | 43.470 | 43.680 | 36.795 | 1,652,400 |
| 2016-03-17 | 42.940 | 43.900 | 42.940 | 43.710 | 36.820 | 846,800 |
| 2016-03-16 | 42.440 | 43.110 | 42.320 | 42.970 | 36.197 | 1,101,100 |
| 2016-03-15 | 42.290 | 42.750 | 42.140 | 42.670 | 35.944 | 876,900 |
| 2016-03-14 | 42.500 | 42.590 | 42.010 | 42.450 | 35.759 | 736,000 |
| 2016-03-11 | 41.950 | 42.600 | 41.900 | 42.600 | 35.885 | 981,400 |
| 2016-03-10 | 41.300 | 41.520 | 40.940 | 41.510 | 34.967 | 845,300 |
| 2016-03-09 | 40.980 | 41.170 | 40.760 | 41.090 | 34.613 | 1,018,300 |
| 2016-03-08 | 40.950 | 41.060 | 40.590 | 40.880 | 34.436 | 542,800 |
| 2016-03-07 | 40.840 | 41.270 | 40.590 | 41.180 | 34.689 | 520,200 |
| 2016-03-04 | 40.670 | 41.000 | 40.420 | 41.000 | 34.537 | 848,400 |
| 2016-03-03 | 40.260 | 40.690 | 40.130 | 40.690 | 34.276 | 751,900 |
| 2016-03-02 | 40.070 | 40.320 | 39.760 | 40.310 | 33.956 | 1,189,100 |
| 2016-03-01 | 40.170 | 40.610 | 39.890 | 40.610 | 33.889 | 819,100 |
| 2016-02-29 | 39.860 | 40.280 | 39.670 | 39.850 | 33.255 | 1,049,200 |
| 2016-02-26 | 40.170 | 40.270 | 39.840 | 40.060 | 33.430 | 593,500 |
| 2016-02-25 | 39.690 | 40.010 | 39.490 | 40.010 | 33.388 | 651,500 |
| 2016-02-24 | 39.190 | 39.690 | 38.980 | 39.650 | 33.088 | 577,900 |
| 2016-02-23 | 39.780 | 39.940 | 39.490 | 39.550 | 33.004 | 595,300 |
| 2016-02-22 | 39.680 | 40.030 | 39.670 | 39.930 | 33.321 | 950,400 |
| 2016-02-19 | 39.420 | 39.620 | 39.170 | 39.430 | 32.904 | 1,076,800 |
| 2016-02-18 | 39.360 | 39.810 | 39.100 | 39.720 | 33.146 | 1,187,300 |
| 2016-02-17 | 39.260 | 39.480 | 39.070 | 39.390 | 32.871 | 879,200 |
| 2016-02-16 | 38.980 | 39.130 | 38.680 | 39.000 | 32.545 | 1,275,100 |
| 2016-02-12 | 38.330 | 38.560 | 37.970 | 38.490 | 32.120 | 937,200 |
| 2016-02-11 | 37.290 | 38.070 | 37.190 | 37.820 | 31.561 | 1,242,700 |
| 2016-02-10 | 37.930 | 38.360 | 37.810 | 38.000 | 31.711 | 938,100 |
| 2016-02-09 | 37.860 | 38.290 | 37.650 | 37.820 | 31.561 | 812,200 |
| 2016-02-08 | 37.930 | 38.260 | 37.730 | 38.180 | 31.861 | 1,057,400 |
| 2016-02-05 | 38.490 | 38.750 | 38.190 | 38.320 | 31.978 | 1,409,000 |
| 2016-02-04 | 38.380 | 38.860 | 38.050 | 38.680 | 32.278 | 1,449,200 |
| 2016-02-03 | 37.800 | 38.650 | 37.360 | 38.540 | 32.161 | 1,719,100 |
| 2016-02-02 | 37.460 | 37.700 | 37.190 | 37.490 | 31.285 | 1,280,700 |
| 2016-02-01 | 37.560 | 38.080 | 37.190 | 37.830 | 31.569 | 1,665,900 |
| 2016-01-29 | 36.530 | 37.700 | 36.250 | 37.640 | 31.410 | 3,475,300 |
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.