Martin Marietta Materials Inc SEC filings MLM
Martin Marietta Materials Inc has 1,000 filings in SEC EDGAR's recent list, going back to Feb 10, 2016. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B2 | Prospectus | Aug 13, 2026 | — |
| FWP | Free writing prospectus | Aug 11, 2026 | — |
| 424B5 | Prospectus supplement | Aug 10, 2026 | — |
| S-8 | Employee stock plan registration | May 15, 2026 | — |
| S-3ASR | Automatic shelf registration | Feb 19, 2026 | — |
| S-8 | Employee stock plan registration | Nov 13, 2025 | — |
| 424B2 | Prospectus | Nov 1, 2024 | — |
| FWP | Free writing prospectus | Oct 31, 2024 | — |
| 424B5 | Prospectus supplement | Oct 31, 2024 | — |
| S-3ASR | Automatic shelf registration | May 5, 2023 | — |
| 424B2 | Prospectus | Jun 23, 2021 | — |
| FWP | Free writing prospectus | Jun 22, 2021 | — |
| 424B5 | Prospectus supplement | Jun 21, 2021 | — |
| S-3ASR | Automatic shelf registration | May 12, 2020 | — |
| 424B2 | Prospectus | Mar 9, 2020 | — |
| FWP | Free writing prospectus | Mar 5, 2020 | — |
| 424B5 | Prospectus supplement | Mar 5, 2020 | — |
| 424B5 | Prospectus supplement | Dec 8, 2017 | — |
| FWP | Free writing prospectus | Dec 7, 2017 | — |
| 424B5 | Prospectus supplement | Dec 6, 2017 | — |
| 424B5 | Prospectus supplement | May 19, 2017 | — |
| FWP | Free writing prospectus | May 17, 2017 | — |
| 424B5 | Prospectus supplement | May 17, 2017 | — |
| S-3ASR | Automatic shelf registration | May 15, 2017 | — |
| S-8 | Employee stock plan registration | May 31, 2016 | — |
Showing 25 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
- Mining & Quarrying of Nonmetallic Minerals (No Fuels) (SIC 1400)
- Listed as
- MLM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- NC
- Headquarters
- Raleigh, NC
- SEC filer status
- Large accelerated filer
- SEC CIK
- 916076
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.