Arthur J. Gallagher & Co. historical data

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Date	Open	High	Low	Close	Adj. close	Volume
2026-01-23	254.99	254.99	248.58	251.73	249.43	59
2026-01-22	249.31	250.95	248.08	250.51	248.22	147
2026-01-21	255.85	255.85	245.00	245.00	242.76	3,491
2026-01-20	254.95	257.03	252.53	257.03	254.68	4,497
2026-01-16	257.80	257.80	254.30	257.64	255.29	64
2026-01-15	259.68	259.68	255.25	256.11	253.77	201
2026-01-14	257.00	259.18	255.57	259.18	256.82	200
2026-01-13	264.84	264.84	256.96	256.96	254.61	273
2026-01-12	260.43	266.84	260.43	263.60	261.19	230
2026-01-09	264.40	266.39	260.93	266.39	263.96	416
2026-01-08	260.79	265.69	259.43	265.58	263.15	417
2026-01-07	261.97	261.97	255.36	258.51	256.15	102
2026-01-06	264.29	264.90	261.15	261.15	258.76	50
2026-01-05	250.81	265.29	250.81	264.34	261.93	466
2026-01-02	259.73	259.73	254.58	255.77	253.43	4,890
2025-12-31	261.83	261.83	260.38	260.69	258.31	29
2025-12-30	263.04	263.59	262.72	263.22	260.81	163
2025-12-29	261.98	263.73	257.28	263.02	260.61	409
2025-12-24	256.76	261.17	256.76	261.00	258.61	176
2025-12-23	256.08	258.09	256.08	258.09	255.73	35
2025-12-22	251.23	258.80	251.23	258.43	256.07	72
2025-12-19	253.51	255.85	252.13	254.60	252.27	668
2025-12-18	247.20	251.94	247.20	250.75	248.45	289
2025-12-17	250.47	255.50	250.47	250.97	248.67	366
2025-12-16	262.00	262.00	251.58	251.58	249.28	45
2025-12-15	257.00	257.34	253.51	255.25	252.91	591
2025-12-12	248.90	254.93	248.89	254.93	252.60	745
2025-12-11	238.91	246.77	238.91	246.60	244.35	27
2025-12-10	239.79	239.79	235.01	239.34	237.15	544
2025-12-09	236.70	240.51	236.70	240.51	238.31	3,090
2025-12-08	239.31	240.25	236.81	238.31	236.13	324
2025-12-05	243.88	247.61	239.03	240.09	237.89	186
2025-12-04	246.36	246.36	243.92	244.76	242.52	89
2025-12-03	243.11	245.96	243.11	243.51	240.64	7
2025-12-02	247.94	247.94	243.57	244.56	241.68	2,228
2025-12-01	252.72	254.27	246.51	249.08	246.14	170
2025-11-28	248.30	249.80	246.70	249.00	246.07	50
2025-11-26	250.99	250.99	247.90	248.91	245.98	92
2025-11-25	248.09	252.31	245.56	250.17	247.22	46
2025-11-24	250.55	253.66	244.88	247.64	244.72	214
2025-11-21	245.69	250.80	245.69	250.80	247.84	353
2025-11-20	247.85	249.70	247.36	247.36	244.44	241
2025-11-19	259.99	259.99	250.44	251.33	248.37	64
2025-11-18	258.74	261.53	256.50	257.82	254.78	382
2025-11-17	260.05	261.30	257.68	261.30	258.22	92
2025-11-14	258.80	262.13	255.57	257.50	254.47	132
2025-11-13	255.29	258.86	255.29	258.86	255.81	37
2025-11-12	254.40	256.21	253.41	256.21	253.19	1,117
2025-11-11	252.76	255.05	251.22	255.05	252.04	466
2025-11-10	248.14	250.41	247.00	249.89	246.95	20
2025-11-07	245.67	250.45	244.65	249.77	246.83	47
2025-11-06	247.72	248.52	245.95	248.40	245.47	241
2025-11-05	252.50	253.00	249.29	249.29	246.35	1,603
2025-11-04	244.83	250.76	242.70	248.43	245.50	334
2025-11-03	248.72	249.50	240.17	243.65	240.78	403
2025-10-31	243.26	254.22	243.26	250.02	247.07	3,629
2025-10-30	262.50	264.84	261.34	263.24	260.14	162
2025-10-29	265.60	268.36	261.54	262.02	258.93	26,105
2025-10-28	274.35	277.68	268.57	269.72	266.54	3,824
2025-10-27	279.66	281.10	278.10	278.83	275.55	75

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Stock splits

No stock splits on record.

Dividends

Ex-date	Amount
2026-09-07	0.7000 USD
2026-06-04	0.7000 USD
2026-03-05	0.7000 USD
2025-12-04	0.6500 USD
2025-09-04	0.6500 USD
2025-06-05	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.