Marsh & Mclennan Companies, Inc. SEC filings MRSH
Marsh & Mclennan Companies, Inc. has 1,006 filings in SEC EDGAR's recent list, going back to Mar 7, 2018. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 15, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B2 | Prospectus | Oct 22, 2026 | — |
| FWP | Free writing prospectus | Oct 20, 2026 | — |
| 424B2 | Prospectus | Oct 19, 2026 | — |
| 424B2 | Prospectus | Feb 13, 2026 | — |
| FWP | Free writing prospectus | Feb 11, 2026 | — |
| 424B2 | Prospectus | Feb 11, 2026 | — |
| S-8 | Employee stock plan registration | Feb 10, 2026 | — |
| 424B2 | Prospectus | Nov 1, 2024 | — |
| FWP | Free writing prospectus | Oct 31, 2024 | — |
| 424B2 | Prospectus | Oct 30, 2024 | — |
| S-3ASR | Automatic shelf registration | Jul 24, 2024 | — |
| 424B2 | Prospectus | Feb 15, 2024 | — |
| FWP | Free writing prospectus | Feb 14, 2024 | — |
| 424B2 | Prospectus | Feb 14, 2024 | — |
| 424B2 | Prospectus | Sep 7, 2023 | — |
| FWP | Free writing prospectus | Sep 6, 2023 | — |
| 424B2 | Prospectus | Sep 6, 2023 | — |
| 424B2 | Prospectus | Mar 8, 2023 | — |
| FWP | Free writing prospectus | Mar 6, 2023 | — |
| 424B2 | Prospectus | Mar 6, 2023 | — |
| 424B2 | Prospectus | Oct 26, 2022 | — |
| FWP | Free writing prospectus | Oct 24, 2022 | — |
| 424B2 | Prospectus | Oct 24, 2022 | — |
| 424B2 | Prospectus | Dec 3, 2021 | — |
| FWP | Free writing prospectus | Dec 1, 2021 | — |
| 424B2 | Prospectus | Dec 1, 2021 | — |
| S-3ASR | Automatic shelf registration | Jul 27, 2021 | — |
| S-8 POS | Form s-8 pos | Jul 31, 2020 | — |
| S-8 POS | Form s-8 pos | Jul 31, 2020 | — |
| S-8 | Employee stock plan registration | Jul 31, 2020 | — |
| 424B2 | Prospectus | May 5, 2020 | — |
| FWP | Free writing prospectus | May 4, 2020 | — |
| 424B2 | Prospectus | May 4, 2020 | — |
| 424B2 | Prospectus | Mar 21, 2019 | — |
| FWP | Free writing prospectus | Mar 20, 2019 | — |
| 424B2 | Prospectus | Mar 20, 2019 | — |
| 424B2 | Prospectus | Mar 15, 2019 | — |
| FWP | Free writing prospectus | Mar 14, 2019 | — |
| 424B2 | Prospectus | Mar 8, 2019 | — |
| S-8 | Employee stock plan registration | Feb 21, 2019 | — |
| 424B2 | Prospectus | Jan 10, 2019 | — |
| FWP | Free writing prospectus | Jan 9, 2019 | — |
| 424B2 | Prospectus | Jan 8, 2019 | — |
| S-8 | Employee stock plan registration | Jul 30, 2018 | — |
| S-8 | Employee stock plan registration | Jul 30, 2018 | — |
| S-3ASR | Automatic shelf registration | Jul 30, 2018 | — |
Showing 46 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Insurance Agents, Brokers & Service (SIC 6411)
- Listed as
- MRSH (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 62709
- Former names
- MARSH & MCLENNAN COMPANIES INC (until Jan 31, 2005)
Other Insurance Agents, Brokers & Service companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.