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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 27, 2026 | Aug 24, 2026 |
| 13F-NT | Filing | Aug 14, 2026 | Jun 30, 2026 |
| N-PX | Filing | Aug 12, 2026 | Jun 30, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Other events
|
Jul 29, 2026 | Jul 22, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 17, 2026 | Jun 17, 2026 |
| 13F-NT | Filing | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2026 | Apr 30, 2026 |
| DEFA14A | Additional proxy material | Apr 3, 2026 | — |
| ARS | Annual report to shareholders | Mar 23, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 23, 2026 | — |
| DEF 14A | Proxy statement | Mar 23, 2026 | May 12, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 17, 2026 | Mar 17, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 12, 2026 | Mar 6, 2026 |
| 10-K | Annual report | Feb 17, 2026 | Dec 31, 2025 |
| 13F-NT | Filing | Feb 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 29, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 16, 2025 | Dec 16, 2025 |
| 13F-NT | Filing | Nov 14, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K/A | Amended current report | Oct 28, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 18, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Aug 18, 2025 | Aug 18, 2025 |
| 13F-NT | Filing | Aug 14, 2025 | Jun 30, 2025 |
| 10-Q | Quarterly report | Aug 1, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 4, 2025 | Jun 4, 2025 |
| 13F-NT | Filing | May 15, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2025 | May 13, 2025 |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 1, 2025 | May 1, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 4, 2025 | Apr 3, 2025 |
| ARS | Annual report to shareholders | Mar 24, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 24, 2025 | — |
| DEF 14A | Proxy statement | Mar 24, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 20, 2025 | Mar 20, 2025 |
| S-8 | Employee stock plan registration | Feb 18, 2025 | — |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| 13F-NT | Filing | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Regulation FD disclosure
|
Jan 30, 2025 | Jan 29, 2025 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Dec 11, 2024 | Dec 9, 2024 |
| 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 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Dec 9, 2024 | Dec 7, 2024 |
| 13F-NT | Filing | Nov 14, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 24, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 19, 2024 | Sep 19, 2024 |
| UPLOAD | Letter from the SEC | Sep 16, 2024 | — |
| N-PX | Filing | Aug 29, 2024 | Jun 30, 2024 |
| 13F-NT | Filing | Aug 14, 2024 | Jun 30, 2024 |
| 10-Q | Quarterly report | Jul 26, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Jul 25, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 25, 2024 | Jun 25, 2024 |
| 13F-NT | Filing | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 8, 2024 | May 7, 2024 |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 25, 2024 | Apr 25, 2024 |
| CORRESP | Letter to the SEC | Apr 2, 2024 | — |
| ARS | Annual report to shareholders | Mar 22, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 22, 2024 | — |
| DEF 14A | Proxy statement | Mar 22, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 21, 2024 | Mar 21, 2024 |
| UPLOAD | Letter from the SEC | Mar 19, 2024 | — |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 14, 2024 |
| 424B2 | Prospectus | Mar 14, 2024 | — |
| 8-K |
Current report
Other events
|
Feb 15, 2024 | Feb 12, 2024 |
| 13F-NT | Filing | Feb 14, 2024 | Dec 31, 2023 |
| 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 | — |
| 10-K | Annual report | Feb 9, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 13, 2023 | Dec 13, 2023 |
| 13F-NT | Filing | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Other events
|
Nov 2, 2023 | Oct 30, 2023 |
| 424B2 | Prospectus | Nov 1, 2023 | — |
| FWP | Free writing prospectus | Oct 30, 2023 | — |
| 424B5 | Prospectus supplement | Oct 30, 2023 | — |
| 10-Q | Quarterly report | Oct 27, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 13, 2023 | Sep 13, 2023 |
| 13F-NT | Filing | Aug 14, 2023 | Jun 30, 2023 |
| S-8 | Employee stock plan registration | Aug 4, 2023 | — |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Jun 23, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 15, 2023 | Jun 15, 2023 |
| 13F-NT | Filing | May 15, 2023 | Mar 31, 2023 |
| 424B2 | Prospectus | May 12, 2023 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
|
May 11, 2023 | May 9, 2023 |
| 10-Q | Quarterly report | May 8, 2023 | Mar 31, 2023 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 27, 2023 | Apr 27, 2023 |
| ARS | Annual report to shareholders | Mar 27, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 27, 2023 | — |
| DEF 14A | Proxy statement | Mar 27, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 17, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 16, 2023 | Mar 16, 2023 |
| 8-K |
Current report
Other events
|
Mar 2, 2023 | Feb 27, 2023 |
| 424B2 | Prospectus | Feb 28, 2023 | — |
| FWP | Free writing prospectus | Feb 27, 2023 | — |
| 13F-NT/A | Filing | Feb 27, 2023 | Dec 31, 2022 |
| 424B5 | Prospectus supplement | Feb 27, 2023 | — |
| 13F-NT | Filing | Feb 14, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 10, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 26, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 13, 2022 | Dec 13, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 6, 2022 | Dec 6, 2022 |
| EFFECT | Filing | Nov 28, 2022 | — |
| CORRESP | Letter to the SEC | Nov 22, 2022 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2022 | — |
| 8-K |
Current report
Other events
|
Nov 16, 2022 | Nov 15, 2022 |
| 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 | — |
| 13F-NT | Filing | Nov 14, 2022 | Sep 30, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 20, 2022 | Sep 20, 2022 |
| 13F-NT | Filing | Aug 15, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 10, 2022 | Aug 10, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 29, 2022 | Jul 27, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 15, 2022 | Jun 15, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 13, 2022 | May 10, 2022 |
| 13F-NT | Filing | May 13, 2022 | Mar 31, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2022 | Apr 28, 2022 |
| DEFA14A | Additional proxy material | Apr 19, 2022 | — |
| DEFA14A | Additional proxy material | Mar 23, 2022 | — |
| DEF 14A | Proxy statement | Mar 23, 2022 | May 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 16, 2022 | Mar 16, 2022 |
| 8-K |
Current report
Listing notice
|
Mar 4, 2022 | Mar 2, 2022 |
| S-8 | Employee stock plan registration | Feb 22, 2022 | — |
| 10-K | Annual report | Feb 18, 2022 | Dec 31, 2021 |
| 8-K/A | Amended current report | Feb 14, 2022 | Dec 1, 2021 |
| 13F-NT | Filing | Feb 14, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 27, 2022 | Jan 27, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 14, 2021 | Dec 14, 2021 |
| 8-K |
Current report
Material agreement
|
Dec 6, 2021 | Dec 1, 2021 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Dec 1, 2021 | Dec 1, 2021 |
| 13F-NT | Filing | Nov 12, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Other events
|
Nov 10, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Other events
|
Nov 4, 2021 | Nov 2, 2021 |
| 424B2 | Prospectus | Nov 3, 2021 | — |
| FWP | Free writing prospectus | Nov 2, 2021 | — |
| 424B5 | Prospectus supplement | Nov 2, 2021 | — |
| 10-Q | Quarterly report | Oct 29, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 14, 2021 | Sep 14, 2021 |
| 8-K |
Current report
Material agreement
|
Aug 16, 2021 | Aug 12, 2021 |
| 13F-NT | Filing | Aug 13, 2021 | Jun 30, 2021 |
| S-8 | Employee stock plan registration | Jul 30, 2021 | — |
| 10-Q | Quarterly report | Jul 30, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 28, 2021 | Jul 28, 2021 |
| 8-K |
Current report
Agreement ended
|
Jul 26, 2021 | Jul 26, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 17, 2021 | Jun 17, 2021 |
| 8-K |
Current report
Other events
|
May 20, 2021 | May 20, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2021 | May 11, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
May 17, 2021 | May 12, 2021 |
| 424B2 | Prospectus | May 17, 2021 | — |
| 424B2 | Prospectus | May 14, 2021 | — |
| 13F-NT | Filing | May 14, 2021 | Mar 31, 2021 |
| FWP | Free writing prospectus | May 14, 2021 | — |
| 424B5 | Prospectus supplement | May 12, 2021 | — |
| 424B5 | Prospectus supplement | May 12, 2021 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 12, 2021 | May 12, 2021 |
| 10-Q | Quarterly report | Apr 30, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 29, 2021 | Apr 29, 2021 |
| DEFA14A | Additional proxy material | Mar 19, 2021 | — |
| DEF 14A | Proxy statement | Mar 19, 2021 | May 11, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 17, 2021 | Mar 17, 2021 |
| S-3ASR | Automatic shelf registration | Mar 9, 2021 | — |
| 13F-NT | Filing | Feb 12, 2021 | Dec 31, 2020 |
| S-8 | Employee stock plan registration | Feb 8, 2021 | — |
| 10-K | Annual report | Feb 8, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 28, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 15, 2020 | Dec 15, 2020 |
| 13F-NT | Filing | Nov 13, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Oct 30, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 28, 2020 | Sep 28, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 16, 2020 | Sep 16, 2020 |
Showing 200 filings, the most recent 200. 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.