Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-12-21 | 35.040 | 35.270 | 34.910 | 35.070 | 26.571 | 1,528,600 |
| 2012-12-20 | 35.350 | 35.610 | 35.220 | 35.610 | 26.980 | 559,300 |
| 2012-12-19 | 35.240 | 35.680 | 35.210 | 35.350 | 26.783 | 1,087,800 |
| 2012-12-18 | 35.560 | 35.570 | 35.140 | 35.240 | 26.700 | 950,700 |
| 2012-12-17 | 35.320 | 35.760 | 35.160 | 35.450 | 26.859 | 424,500 |
| 2012-12-14 | 35.590 | 35.790 | 35.170 | 35.220 | 26.685 | 396,100 |
| 2012-12-13 | 35.600 | 35.790 | 35.510 | 35.560 | 26.942 | 502,400 |
| 2012-12-12 | 35.970 | 36.100 | 35.650 | 35.680 | 27.033 | 455,800 |
| 2012-12-11 | 36.050 | 36.090 | 35.780 | 35.910 | 27.208 | 618,200 |
| 2012-12-10 | 36.300 | 36.460 | 35.740 | 35.880 | 27.185 | 665,900 |
| 2012-12-07 | 36.350 | 36.500 | 36.210 | 36.440 | 27.609 | 426,700 |
| 2012-12-06 | 36.500 | 36.600 | 36.290 | 36.380 | 27.564 | 296,600 |
| 2012-12-05 | 36.440 | 36.670 | 36.310 | 36.460 | 27.624 | 413,000 |
| 2012-12-04 | 36.500 | 36.570 | 36.220 | 36.450 | 27.617 | 358,900 |
| 2012-12-03 | 36.620 | 36.840 | 36.350 | 36.550 | 27.693 | 553,900 |
| 2012-11-30 | 36.440 | 36.710 | 36.230 | 36.520 | 27.670 | 872,400 |
| 2012-11-29 | 36.400 | 36.400 | 35.780 | 36.300 | 27.503 | 489,900 |
| 2012-11-28 | 36.150 | 36.370 | 35.890 | 36.350 | 27.283 | 384,500 |
| 2012-11-27 | 36.720 | 36.730 | 36.320 | 36.340 | 27.276 | 545,300 |
| 2012-11-26 | 36.570 | 36.930 | 36.520 | 36.710 | 27.554 | 433,000 |
| 2012-11-23 | 36.700 | 36.910 | 36.500 | 36.890 | 27.689 | 264,000 |
| 2012-11-21 | 36.430 | 36.630 | 36.150 | 36.610 | 27.479 | 274,300 |
| 2012-11-20 | 36.350 | 36.410 | 35.880 | 36.410 | 27.328 | 394,100 |
| 2012-11-19 | 36.000 | 36.240 | 35.790 | 36.240 | 27.201 | 710,800 |
| 2012-11-16 | 35.530 | 35.850 | 35.280 | 35.760 | 26.841 | 446,900 |
| 2012-11-15 | 35.360 | 35.480 | 35.030 | 35.420 | 26.585 | 426,900 |
| 2012-11-14 | 35.680 | 35.760 | 35.140 | 35.300 | 26.495 | 477,400 |
| 2012-11-13 | 35.270 | 35.770 | 35.270 | 35.550 | 26.683 | 589,300 |
| 2012-11-12 | 35.640 | 35.720 | 35.340 | 35.570 | 26.698 | 320,600 |
| 2012-11-09 | 35.170 | 35.670 | 34.980 | 35.610 | 26.728 | 461,700 |
| 2012-11-08 | 35.560 | 35.700 | 35.270 | 35.340 | 26.525 | 444,700 |
| 2012-11-07 | 36.000 | 36.000 | 35.270 | 35.530 | 26.668 | 487,500 |
| 2012-11-06 | 36.120 | 36.440 | 35.930 | 36.170 | 27.148 | 504,200 |
| 2012-11-05 | 35.960 | 36.110 | 35.590 | 36.030 | 27.043 | 547,300 |
| 2012-11-02 | 36.080 | 36.180 | 35.570 | 35.940 | 26.976 | 1,218,000 |
| 2012-11-01 | 35.290 | 35.970 | 34.980 | 35.910 | 26.953 | 879,300 |
| 2012-10-31 | 35.630 | 35.700 | 34.670 | 35.440 | 26.600 | 1,192,700 |
| 2012-10-26 | 35.290 | 35.740 | 35.260 | 35.670 | 26.773 | 598,200 |
| 2012-10-25 | 35.490 | 35.790 | 35.050 | 35.290 | 26.488 | 375,200 |
| 2012-10-24 | 35.400 | 35.520 | 35.190 | 35.270 | 26.473 | 284,300 |
| 2012-10-23 | 35.400 | 35.540 | 35.260 | 35.450 | 26.608 | 329,800 |
| 2012-10-22 | 35.710 | 35.900 | 35.500 | 35.710 | 26.803 | 239,400 |
| 2012-10-19 | 36.380 | 36.380 | 35.680 | 35.770 | 26.848 | 358,700 |
| 2012-10-18 | 36.470 | 36.780 | 36.370 | 36.430 | 27.343 | 256,900 |
| 2012-10-17 | 36.440 | 36.670 | 36.330 | 36.550 | 27.434 | 300,200 |
| 2012-10-16 | 36.220 | 36.420 | 36.130 | 36.330 | 27.268 | 479,600 |
| 2012-10-15 | 36.080 | 36.260 | 35.830 | 36.190 | 27.163 | 530,100 |
| 2012-10-12 | 36.190 | 36.540 | 36.010 | 36.080 | 27.081 | 601,000 |
| 2012-10-11 | 36.530 | 36.610 | 36.250 | 36.300 | 27.246 | 471,900 |
| 2012-10-10 | 36.450 | 36.770 | 36.350 | 36.420 | 27.336 | 364,200 |
| 2012-10-09 | 36.750 | 36.870 | 36.310 | 36.410 | 27.328 | 236,800 |
| 2012-10-08 | 36.850 | 36.880 | 36.550 | 36.810 | 27.629 | 228,900 |
| 2012-10-05 | 36.650 | 36.990 | 36.580 | 36.830 | 27.644 | 633,700 |
| 2012-10-04 | 36.380 | 36.630 | 36.280 | 36.550 | 27.434 | 725,400 |
| 2012-10-03 | 36.050 | 36.300 | 35.980 | 36.270 | 27.223 | 1,120,500 |
| 2012-10-02 | 35.760 | 36.030 | 35.760 | 35.950 | 26.983 | 640,100 |
| 2012-10-01 | 35.840 | 36.030 | 35.560 | 35.710 | 26.803 | 883,300 |
| 2012-09-28 | 35.790 | 35.930 | 35.620 | 35.820 | 26.886 | 506,900 |
| 2012-09-27 | 35.970 | 36.050 | 35.760 | 35.870 | 26.923 | 430,200 |
| 2012-09-26 | 36.490 | 36.600 | 35.880 | 35.940 | 26.976 | 614,900 |
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.