Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-02-13 Sale | 2025-02-14 4:11 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 10,000 | $326.62 | $3,266,200 | 74,540 (Indirect Direct) | View |
2024-07-30 Sale | 2024-07-30 6:09 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 6,335 | $284.06 | $1,799,530 | 30,421 (Indirect Direct) | View |
2024-06-18 Sale | 2024-06-18 6:48 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 8,303 | $262.74 | $2,181,547 | 36,756 (Indirect Direct) | View |
2024-05-16 Sale | 2024-05-20 8:42 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 24,376 | $255.48 | $6,227,505 | 55,376 (Indirect Direct) | View |
2023-09-15 Sale | 2023-09-19 9:07 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 21,800 | $232 | $5,057,600 | 44,984 (Indirect Direct) | View |
2022-08-09 Sale | 2022-08-11 5:27 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 10,200 | $183 | $1,866,600 | 38,432 (Indirect Direct) | View |
2022-03-16 Sale | 2022-03-16 8:19 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 7,500 | $162 | $1,215,000 | 148,280 (Indirect Direct) | View |
2020-12-10 Sale | 2020-12-11 5:26 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 12,600 | $119.23 | $1,502,298 | 20,422 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-03-31 Exercise | 2025-04-02 9:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 79 | $0 | 83,284 (Direct) | View |
2025-03-31 Tax Withholding | 2025-04-02 9:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 79 | $345.24 | 83,284 (Direct) | View |
2025-03-15 Exercise | 2025-03-18 6:29 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 7,180 | $0 | 79,917 (Direct) | View |
2025-03-15 Option Award | 2025-03-18 6:29 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 7,180 | $0 | 79,917 (Direct) | View |
2025-03-15 Tax Withholding | 2025-03-18 6:29 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,108 | $325.24 | 79,917 (Direct) | View |
2025-03-12 Exercise | 2025-03-14 7:41 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,250 | $0 | 75,845 (Direct) | View |
2025-03-12 Tax Withholding | 2025-03-14 7:41 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 945 | $325.75 | 75,845 (Direct) | View |
2025-03-10 I | 2025-03-11 8:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,401 | $321.23 | 3,470 (Direct) | View |
2025-03-01 Option Award | 2025-03-05 9:22 pm | N/A 2032-03-01 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 11,350 | $0 | 11,350 (Direct) | View |
2025-02-05 Exercise | 2025-02-07 9:04 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 94,732 | $0 | 86,609 (Direct) | View |
2025-02-05 Tax Withholding | 2025-02-07 9:04 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 40,613 | $316.3 | 86,609 (Direct) | View |
2024-12-10 I | 2024-12-11 11:40 am | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 4,942 | $283.74 | 4,942 (Direct) | View |
2024-06-17 I | 2024-06-18 6:48 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,675 | $261.16 | 36,756 (Direct) | View |
2024-05-16 Exercise | 2024-05-20 8:42 pm | N/A 2025-03-15 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 16,800 | $0 | 55,376 (Direct) | View |
2024-05-16 Exercise | 2024-05-20 8:42 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 16,800 | $70.74 | 55,376 (Direct) | View |
2024-03-16 Exercise | 2024-03-19 8:37 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 8,914 | $0 | 52,635 (Direct) | View |
2024-03-16 Option Award | 2024-03-19 8:37 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 8,914 | $0 | 52,635 (Direct) | View |
2024-03-16 Tax Withholding | 2024-03-19 8:37 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,858 | $253.17 | 52,635 (Direct) | View |
2024-03-14 Exercise | 2024-03-18 9:42 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,500 | $0 | 47,579 (Direct) | View |
2024-03-14 Tax Withholding | 2024-03-18 9:42 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 980 | $254.91 | 47,579 (Direct) | View |
2024-03-01 Option Award | 2024-03-05 6:45 pm | N/A 2031-03-01 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 10,884 | $0 | 106,627 (Direct) | View |
2024-03-04 I | 2024-03-05 6:45 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,851 | $243.13 | 106,627 (Direct) | View |
2023-09-15 Exercise | 2023-09-19 9:07 pm | N/A 2024-03-16 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 21,800 | $0 | 44,984 (Direct) | View |
2023-09-15 Exercise | 2023-09-19 9:07 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 21,800 | $56.86 | 44,984 (Direct) | View |
2023-03-15 Exercise | 2023-03-17 7:41 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 4,000 | $0 | 54,358 (Direct) | View |
2023-03-15 Option Award | 2023-03-17 7:41 pm | N/A 2030-03-15 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,452 | $0 | 54,358 (Direct) | View |
2023-03-15 Tax Withholding | 2023-03-17 7:41 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,773 | $177.09 | 54,358 (Direct) | View |
2023-03-12 Exercise | 2023-03-14 9:17 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,800 | $0 | 135,612 (Direct) | View |
2023-03-10 I | 2023-03-14 9:17 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,630 | $185.95 | 135,612 (Direct) | View |
2023-03-12 Option Award | 2023-03-14 9:17 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,800 | $0 | 135,612 (Direct) | View |
2023-03-12 Tax Withholding | 2023-03-14 9:17 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,530 | $182.76 | 135,612 (Direct) | View |
Ownership | 2023-02-10 6:31 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 0 | $0 | 36,409 (Indirect) | View |
2022-12-29 Ownership | 2023-02-10 6:31 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,023 | $0 | 36,409 (Direct) | View |
2022-08-09 Exercise | 2022-08-11 5:27 pm | N/A 2023-03-17 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 10,200 | $0 | 38,432 (Direct) | View |
2022-08-09 Exercise | 2022-08-11 5:27 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 10,200 | $43.71 | 38,432 (Direct) | View |
2022-03-16 Exercise | 2022-03-16 8:19 pm | N/A 2023-03-17 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 20,500 | $0 | 148,280 (Direct) | View |
2022-03-15 Option Award | 2022-03-16 8:19 pm | N/A 2029-03-15 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 19,855 | $0 | 148,280 (Direct) | View |
2022-03-16 I | 2022-03-16 8:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,843 | $158.26 | 148,280 (Direct) | View |
2022-03-16 Tax Withholding | 2022-03-16 8:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,015 | $162.67 | 148,280 (Direct) | View |
2022-03-14 Tax Withholding | 2022-03-16 8:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,819 | $154.74 | 148,280 (Direct) | View |
2022-03-16 Exercise | 2022-03-16 8:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 7,500 | $43.71 | 148,280 (Direct) | View |
2022-02-23 Option Award | 2022-02-25 7:02 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 526 | $153.73 | 8,737 (Direct) | View |
2022-01-31 I | 2022-02-02 5:26 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,316 | $157.94 | 8,211 (Direct) | View |
2021-12-15 I | 2021-12-17 7:46 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,874 | $166.62 | 10,648 (Direct) | View |
2021-12-17 I | 2021-12-17 7:46 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,139 | $164.4 | 10,648 (Direct) | View |
2021-03-17 Exercise | 2021-03-18 6:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 5,350 | $0 | 138,663 (Direct) | View |
2021-03-17 I | 2021-03-18 6:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,532 | $127.42 | 138,663 (Direct) | View |
2021-03-16 Option Award | 2021-03-18 6:40 pm | N/A 2028-03-16 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 24,500 | $0 | 138,663 (Direct) | View |
2021-03-17 Tax Withholding | 2021-03-18 6:40 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,245 | $128.43 | 138,663 (Direct) | View |
2021-03-15 Exercise | 2021-03-17 8:22 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,700 | $0 | 27,065 (Direct) | View |
2021-03-15 Tax Withholding | 2021-03-17 8:22 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 3,178 | $127.21 | 27,065 (Direct) | View |
2021-03-15 Option Award | 2021-03-17 8:22 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 9,700 | $0 | 27,065 (Direct) | View |
2021-02-11 I | 2021-02-12 7:56 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 2,158 | $116.33 | 2,881 (Direct) | View |
2021-02-08 Option Award | 2021-02-10 6:27 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 722 | $117.68 | 722 (Direct) | View |
2020-12-10 Exercise | 2020-12-11 5:26 pm | N/A 2022-03-11 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 12,600 | $0 | 20,422 (Direct) | View |
2020-12-10 Exercise | 2020-12-11 5:26 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 12,600 | $46.17 | 20,422 (Direct) | View |