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 |
| 2025-12-22 Sale | 2025-12-29 9:02 pm | Arthur J. Gallagher & Co. | AJG | HOWELL DOUGLAS K VP & Chief Financial Officer | 5,000 | $258.05 | $1,290,243 | 605,516 (Indirect Direct) | View |
| 2025-12-23 Sale | 2025-12-29 8:59 pm | Arthur J. Gallagher & Co. | AJG | Mead Christopher E VICE PRESIDENT | 4,000 | $258.11 | $1,032,440 | 96,944 (Indirect Direct) | View |
| 2025-12-19 Sale | 2025-12-23 7:31 pm | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 15,850 | $255 | $4,041,750 | 172,088 (Indirect Direct) | View |
| 2025-11-21 Sale | 2025-11-25 5:09 pm | Arthur J. Gallagher & Co. | AJG | Mead Christopher E VICE PRESIDENT | 1,250 | $250.74 | $313,425 | 103,699 (Indirect Direct) | View |
| 2025-11-18 Sale | 2025-11-20 6:50 pm | Arthur J. Gallagher & Co. | AJG | CARY RICHARD C Controller, CAO | 6,000 | $261 | $1,566,000 | 59,970 (Indirect Direct) | View |
| 2025-11-03 Purchase | 2025-11-03 9:04 pm | Arthur J. Gallagher & Co. | AJG | Pesch Michael Robert Vice President | 4,000 | $247.12 | $988,488 | 54,831 (Indirect Direct) | View |
| 2025-09-19 Sale | 2025-09-23 9:26 pm | Arthur J. Gallagher & Co. | AJG | HOWELL DOUGLAS K VP & Chief Financial Officer | 14,000 | $299.42 | $4,191,935 | 287,062 (Indirect Direct) | View |
| 2025-09-09 Sale | 2025-09-11 8:52 pm | Arthur J. Gallagher & Co. | AJG | HOWELL DOUGLAS K VP & Chief Financial Officer | 3,000 | $299.78 | $899,334 | 118,360 (Indirect Direct) | View |
| 2025-09-08 Sale | 2025-09-09 5:52 pm | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 12,855 | $297.6 | $3,825,688 | 90,059 (Indirect Direct) | View |
| 2025-08-21 Sale | 2025-08-22 4:14 pm | Arthur J. Gallagher & Co. | AJG | CARY RICHARD C Controller, CAO | 4,000 | $306 | $1,224,000 | 57,086 (Indirect Direct) | View |
| 2025-06-18 Purchase | 2025-06-20 4:15 pm | Arthur J. Gallagher & Co. | AJG | Pesch Michael Robert President | 59 | $318.37 | $18,784 | 51,169 (Indirect Direct) | View |
| 2025-05-21 Sale | 2025-05-22 6:16 pm | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 10,500 | $337.17 | $3,540,275 | 102,914 (Indirect Direct) | View |
| 2025-05-19 Sale | 2025-05-20 5:32 pm | Arthur J. Gallagher & Co. | AJG | Pietrucha Susan E Chief Human Resources Officer | 13,500 | $344.13 | $4,645,728 | 12,236 (Indirect Direct) | View |
| 2025-05-16 Sale | 2025-05-20 5:10 pm | Arthur J. Gallagher & Co. | AJG | JOHNSON DAVID S Director | 1,000 | $342.04 | $342,038 | 45,323 (Direct) | View |
| 2025-05-07 Sale | 2025-05-09 4:10 pm | Arthur J. Gallagher & Co. | AJG | CARY RICHARD C Controller, CAO | 12,000 | $339.51 | $4,074,120 | 59,447 (Indirect 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 |
| 2025-12-22 Gift | 2025-12-29 9:02 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | HOWELL DOUGLAS K VP & Chief Financial Officer | 196 | $0 | 605,516 (Direct) | View |
| 2025-12-23 Gift | 2025-12-29 8:59 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Mead Christopher E VICE PRESIDENT | 388 | $0 | 96,944 (Direct) | View |
| 2025-12-23 Exercise | 2025-12-29 8:59 pm | N/A 2026-03-14 | Arthur J. Gallagher & Co. | AJG | Mead Christopher E VICE PRESIDENT | 4,000 | $0 | 96,944 (Direct) | View |
| 2025-12-23 Exercise | 2025-12-29 8:59 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Mead Christopher E VICE PRESIDENT | 4,000 | $79.59 | 96,944 (Direct) | View |
| 2025-12-19 Gift | 2025-12-23 7:31 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 1,724 | $0 | 172,088 (Direct) | View |
| 2025-12-19 Exercise | 2025-12-23 7:31 pm | N/A 2026-03-14 | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 15,850 | $0 | 172,088 (Direct) | View |
| 2025-12-19 Exercise | 2025-12-23 7:31 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Bay Walter D. General Counsel | 15,850 | $79.59 | 172,088 (Direct) | View |
| 2025-12-01 Option Award | 2025-12-03 7:23 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Miskel Christopher C. Director | 163 | $246.1 | 9,111 (Direct) | View |
| 2025-12-01 Option Award | 2025-12-03 7:08 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | JOHNSON DAVID S Director | 198 | $246.1 | 45,823 (Direct) | View |
| 2025-09-10 Gift | 2025-09-11 9:02 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Pesch Michael Robert Vice President | 338 | $0 | 50,831 (Direct) | View |
| 2025-09-08 Exercise | 2025-09-09 5:52 pm | N/A 2026-03-14 | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 7,600 | $0 | 90,059 (Direct) | View |
| 2025-09-08 Exercise | 2025-09-09 5:52 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 7,600 | $79.59 | 90,059 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 7:30 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | JOHNSON DAVID S Director | 161 | $302.75 | 45,625 (Direct) | View |
| 2025-09-01 Option Award | 2025-09-03 7:23 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Miskel Christopher C. Director | 132 | $302.75 | 8,948 (Direct) | View |
| 2025-08-20 Gift | 2025-08-22 4:11 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | GALLAGHER THOMAS JOSEPH President | 31,250 | $0 | 467,469 (Direct) | View |
| 2025-07-31 Exercise | 2025-08-04 6:49 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | GALLAGHER THOMAS JOSEPH President | 1,376 | $0 | 629,805 (Direct) | View |
| 2025-07-31 Exercise | 2025-08-04 6:36 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | HOWELL DOUGLAS K VP & Chief Financial Officer | 35,739 | $0 | 299,355 (Direct) | View |
| 2025-07-24 Tax Withholding | 2025-07-25 7:18 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Harries Richard de Winton Wilkin Director | 56 | $310.79 | 1,303 (Direct) | View |
| 2025-06-09 Gift | 2025-06-11 5:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Gallagher Patrick Murphy Chief Operating Officer | 7,833 | $0 | 178,928 (Indirect) | View |
| 2025-06-09 Gift | 2025-06-11 5:11 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | GALLAGHER J PATRICK JR CEO | 30,634 | $0 | 408,270 (Direct) | View |
| 2025-06-02 Option Award | 2025-06-04 6:03 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | JOHNSON DAVID S Director | 140 | $347.44 | 45,463 (Direct) | View |
| 2025-06-02 Option Award | 2025-06-04 5:59 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Miskel Christopher C. Director | 115 | $347.44 | 8,799 (Direct) | View |
| 2025-05-28 Gift | 2025-05-29 6:53 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | GALLAGHER J PATRICK JR CEO | 8,825 | $0 | 929,884 (Indirect) | View |
| 2025-05-21 Exercise | 2025-05-22 6:16 pm | N/A 2026-03-14 | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 10,500 | $0 | 102,914 (Direct) | View |
| 2025-05-21 Exercise | 2025-05-22 6:16 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Hudson Scott R Vice President | 10,500 | $79.59 | 102,914 (Direct) | View |
| 2025-05-19 Exercise | 2025-05-20 5:32 pm | N/A 2026-03-14 | Arthur J. Gallagher & Co. | AJG | Pietrucha Susan E Chief Human Resources Officer | 13,500 | $0 | 12,236 (Direct) | View |
| 2025-05-19 Exercise | 2025-05-20 5:32 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Pietrucha Susan E Chief Human Resources Officer | 13,500 | $79.59 | 12,236 (Direct) | View |
| 2025-05-16 Gift | 2025-05-20 5:17 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | GALLAGHER THOMAS JOSEPH President | 3,000 | $0 | 618,196 (Direct) | View |
| 2025-05-14 Gift | 2025-05-16 5:16 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Gallagher Patrick Murphy Chief Operating Officer | 440 | $0 | 246,386 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:57 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | ROSENTHAL NORMAN L Director | 690 | $0 | 41,876 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:49 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Caplan Deborah H Director | 690 | $0 | 1,540 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:46 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | NICOLETTI RALPH J Director | 690 | $0 | 17,164 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:43 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Miskel Christopher C. Director | 690 | $0 | 6,707 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:39 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | JOHNSON DAVID S Director | 690 | $0 | 46,323 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:26 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Harries Richard de Winton Wilkin Director | 690 | $0 | 1,359 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:19 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Coldman David John Director | 690 | $0 | 15,234 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 6:12 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | Clarke Teresa Hillary Director | 690 | $0 | 4,442 (Direct) | View |
| 2025-05-13 Option Award | 2025-05-15 5:54 pm | N/A N/A | Arthur J. Gallagher & Co. | AJG | BARRAT SHERRY S Director | 690 | $0 | 18,073 (Direct) | View |