Arthur J. Gallagher & Co. SEC filings AJG
Arthur J. Gallagher & Co. has 1,005 filings in SEC EDGAR's recent list, going back to Jul 27, 2018. Its latest annual report, Form ARS, was filed on Mar 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Feb 18, 2025 | — |
| 424B2 | Prospectus | Dec 11, 2024 | — |
| FWP | Free writing prospectus | Dec 11, 2024 | — |
| 424B2 | Prospectus | Dec 10, 2024 | — |
| 424B5 | Prospectus supplement | Dec 9, 2024 | — |
| 424B2 | Prospectus | Dec 9, 2024 | — |
| S-3ASR | Automatic shelf registration | Dec 9, 2024 | — |
| 424B2 | Prospectus | Mar 14, 2024 | — |
| 424B2 | Prospectus | Feb 14, 2024 | — |
| FWP | Free writing prospectus | Feb 12, 2024 | — |
| 424B5 | Prospectus supplement | Feb 12, 2024 | — |
| S-3ASR | Automatic shelf registration | Feb 12, 2024 | — |
| 424B2 | Prospectus | Nov 1, 2023 | — |
| FWP | Free writing prospectus | Oct 30, 2023 | — |
| 424B5 | Prospectus supplement | Oct 30, 2023 | — |
| S-8 | Employee stock plan registration | Aug 4, 2023 | — |
| 424B2 | Prospectus | May 12, 2023 | — |
| 424B2 | Prospectus | Feb 28, 2023 | — |
| FWP | Free writing prospectus | Feb 27, 2023 | — |
| 424B5 | Prospectus supplement | Feb 27, 2023 | — |
| S-8 POS | Filing | Nov 16, 2022 | — |
| S-8 POS | Filing | Nov 16, 2022 | — |
| S-8 | Employee stock plan registration | Nov 16, 2022 | — |
| S-4 | Registration for a merger or exchange | Nov 16, 2022 | — |
| 424B2 | Prospectus | Nov 16, 2022 | — |
| S-8 | Employee stock plan registration | Feb 22, 2022 | — |
| 424B2 | Prospectus | Nov 3, 2021 | — |
| FWP | Free writing prospectus | Nov 2, 2021 | — |
| 424B5 | Prospectus supplement | Nov 2, 2021 | — |
| S-8 | Employee stock plan registration | Jul 30, 2021 | — |
| 424B2 | Prospectus | May 17, 2021 | — |
| 424B2 | Prospectus | May 14, 2021 | — |
| FWP | Free writing prospectus | May 14, 2021 | — |
| 424B5 | Prospectus supplement | May 12, 2021 | — |
| 424B5 | Prospectus supplement | May 12, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 9, 2021 | — |
| S-8 | Employee stock plan registration | Feb 8, 2021 | — |
| S-3ASR | Automatic shelf registration | Nov 15, 2019 | — |
Showing 38 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Insurance Agents, Brokers & Service (SIC 6411)
- Listed as
- AJG (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Rolling Meadows, IL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 354190
- Former names
- GALLAGHER ARTHUR J & CO (until Aug 14, 2019)
Other Insurance Agents, Brokers & Service companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.