Company · CIK 0000354190 · SIC 6411 — Insurance Agents, Brokers & Service · NYSE
Arthur J. Gallagher & Co. · AJG
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 SForm 4 → | Sep 17, 4:46 pm EDT | Richard C CaryController, CAO | 1,000 | $252.86 | $252,858 | 46,819 | −2.09% | |
| Sep 8, 2026 GForm 4 → | Sep 10, 6:45 pm EDT | Patrick Murphy GallagherChief Operating Officer | 49,988 | — | — | 148,093 | — | |
| Sep 8, 2026 GForm 4 → | Sep 10, 6:36 pm EDT | J Patrick Gallagher Jr.CEO, Director | 49,988 | — | — | 0 | — | |
| Sep 2, 2026 SForm 4 → | Sep 4, 5:25 pm EDT | Scott R HudsonVice President | 12,000 | $264.13 | $3,169,596 | 90,262 | −11.7% | |
| Sep 2, 2026 MForm 4 → | Sep 4, 5:25 pm EDT | Scott R HudsonVice President | 12,000 | $86.17 | $1,034,040 | 102,262 | — | |
| Sep 1, 2026 AForm 4 → | Sep 2, 5:54 pm EDT | Christopher C. MiskelDirector | 153 | $262.00 | $40,000 | 10,826 | — | |
| Aug 24, 2026 SForm 4 → | Aug 26, 7:34 pm EDT | Walter D. BayGeneral Counsel | 12,000 | $270.08 | $3,240,972 | 71,292 | −14.4% | |
| Aug 19, 2026 SForm 4 → | Aug 20, 7:12 pm EDT | Christopher E MeadVICE PRESIDENT | 3,500 | $257.03 | $899,587 | 22,223 | −13.6% | |
| Aug 19, 2026 MForm 4 → | Aug 20, 7:12 pm EDT | Christopher E MeadVICE PRESIDENT | 3,500 | $86.17 | $301,595 | 25,723 | — | |
| Aug 16, 2026 FMForm 4 → | Aug 18, 7:06 pm EDT | Mark H. BloomVice President | 1,887 | $251.21 | $152,438 | 4,417 | — | |
| Aug 5, 2026 GForm 4 → | Aug 7, 5:47 pm EDT | Patrick Murphy GallagherChief Operating Officer | 23,800 | — | — | 53,262 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:21 pm EDT | Vishal JainVICE PRESIDENT | 2,163 | $229.57 | $496,490 | 68,903 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:18 pm EDT | Thomas Joseph GallagherPresident | 352 | $229.57 | $80,796 | 323,743 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:12 pm EDT | Michael Robert PeschVice President | 356 | $229.57 | $81,681 | 44,833 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 MForm 4 → | Sep 4, 5:25 pm EDT | Scott R HudsonVice President | 12,000 | — | — | 12,370 | — | |
| Aug 19, 2026 MForm 4 → | Aug 20, 7:12 pm EDT | Christopher E MeadVICE PRESIDENT | 3,500 | — | — | 7,590 | — | |
| Aug 16, 2026 MForm 4 → | Aug 18, 7:06 pm EDT | Mark H. BloomVice President | 1,280 | — | — | 6,017 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:21 pm EDT | Vishal JainVICE PRESIDENT | 2,163 | — | — | 9,726 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:18 pm EDT | Thomas Joseph GallagherPresident | 352 | — | — | 13,346 | — | |
| Jul 1, 2026 MForm 4 → | Jul 6, 8:12 pm EDT | Michael Robert PeschVice President | 356 | — | — | 6,135 | — | |
| Jun 22, 2026 IForm 4 → | Jun 24, 6:45 pm EDT | Douglas K HowellVP & Chief Financial Officer | 12,954 | $209.08 | $2,708,503 | 185,954 | — |