Arthur J. Gallagher & Co.SEC Filings
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All SEC filings by Arthur J. Gallagher & Co. (AJG) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Aug 5, 2026 | |
| 10-Q | Quarterly report | View Diff | May 6, 2026 | |
| ARS | Annual report to shareholders | Mar 23, 2026 | ||
| 10-K | Annual report | View Diff | Feb 17, 2026 | |
| 10-Q | Quarterly report | View Diff | Nov 7, 2025 | |
| 10-Q | Quarterly report | View Diff | Aug 1, 2025 | |
| 10-Q | Quarterly report | View Diff | May 2, 2025 | |
| ARS | Annual report to shareholders | Mar 24, 2025 | ||
| 10-K | Annual report | View Diff | Feb 18, 2025 | |
| 10-Q | Quarterly report | View Diff | Oct 29, 2024 |
Events
| 8-K | Current report | Aug 26, 2026 | ||
| 8-K | Arthur J. Gallagher Co. Announces Second Quarter 2026 Financial Results | Jul 30, 2026 | ||
| 8-K | Arthur J. Gallagher Co. Announces Passing of Director David Johnson | Jul 29, 2026 | ||
| 8-K | Current report | Jun 17, 2026 | ||
| 8-K | Submission of Matters to a Vote of Security Holders | May 13, 2026 | ||
| 8-K | Arthur J. Gallagher & Co. Announces First Quarter 2026 Financial Results | Apr 30, 2026 | ||
| 8-K | Regulation Fd Disclosure | Mar 17, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Mar 12, 2026 | ||
| 8-K | Arthur J. Gallagher & Co. Announces Fourth Quarter and Full Year 2025 Financial Results | Jan 29, 2026 | ||
| 8-K | Regulation Fd Disclosure | Dec 16, 2025 |
Registrations and Prospectuses
| S-8 | Registration of securities for employees | Feb 18, 2025 | ||
| 424B2 | Prospectus for primary offering | Dec 11, 2024 | ||
| FWP | Free writing prospectus | Dec 10, 2024 | ||
| 424B2 | Prospectus for primary offering | Dec 10, 2024 | ||
| 424B5 | Prospectus supplement for primary offering | Dec 9, 2024 | ||
| 424B2 | Prospectus for primary offering | Dec 9, 2024 | ||
| S-3ASR | Automatic shelf registration | Dec 9, 2024 | ||
| 424B2 | Prospectus for primary offering | Mar 14, 2024 | ||
| 424B2 | Prospectus for primary offering | Feb 14, 2024 | ||
| FWP | Free writing prospectus | Feb 12, 2024 |
Proxies
| N-PX | Annual report of proxy voting record | Aug 12, 2026 | ||
| DEFA14A | Additional proxy soliciting materials | Apr 3, 2026 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 23, 2026 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 23, 2026 | |
| DEFA14A | Additional proxy soliciting materials | Mar 24, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 24, 2025 | |
| N-PX | Annual report of proxy voting record | Aug 28, 2024 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 22, 2024 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 22, 2024 | |
| DEFA14A | Additional proxy soliciting materials | Apr 28, 2023 |
Other
| UPLOAD | Letter from SEC | Sep 16, 2024 | ||
| EFFECT | Notice of effectiveness | Nov 29, 2022 | ||
| UPLOAD | Letter from SEC | Nov 22, 2022 | ||
| CORRESP | Correspondence with SEC | Nov 22, 2022 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | Oct 26, 2018 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | Jul 27, 2018 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | May 7, 2018 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | Feb 12, 2018 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | Oct 30, 2017 | ||
| IRANNOTICE | Disclosure regarding Iran Threat Reduction and Syria Human Rights Act | Jul 28, 2017 |
Ownership
| 4 | Hudson Scott R | Sep 4, 2026 | ||
| 4 | Miskel Christopher C. | Sep 2, 2026 | ||
| 144 | Notice of proposed sale of securities | Sep 2, 2026 | ||
| 4 | Bay Walter D. | Aug 26, 2026 | ||
| 144 | Notice of proposed sale of securities | Aug 24, 2026 | ||
| 4 | Mead Christopher E | Aug 20, 2026 | ||
| 144 | Notice of proposed sale of securities | Aug 19, 2026 | ||
| 4 | Bloom Mark H. | Aug 18, 2026 | ||
| 13F-NT | Notice of holdings reported by another manager | Aug 14, 2026 | ||
| SC 13G/A | Beneficial ownership report | Aug 12, 2026 |