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 |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | Sep 18, 2026 | — |
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | Sep 24, 2025 | — |
| 11-K | Employee savings plan report | Jun 26, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | Sep 18, 2024 | — |
| 11-K | Employee savings plan report | Jun 27, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Jun 26, 2023 | Dec 31, 2022 |
| PX14A6G | Form px14a6g | Apr 24, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 12, 2022 | — |
| CORRESP | Letter to the SEC | Aug 24, 2022 | — |
| CORRESP | Letter to the SEC | Aug 4, 2022 | — |
| UPLOAD | Letter from the SEC | Aug 3, 2022 | — |
| CORRESP | Letter to the SEC | Jul 11, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 27, 2022 | — |
| 11-K | Employee savings plan report | Jun 24, 2022 | Dec 31, 2021 |
| CORRESP | Letter to the SEC | Jun 14, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 1, 2022 | — |
| 11-K | Employee savings plan report | Jun 23, 2021 | Dec 31, 2020 |
| UPLOAD | Letter from the SEC | May 18, 2021 | — |
| CORRESP | Letter to the SEC | May 5, 2021 | — |
| UPLOAD | Letter from the SEC | Apr 21, 2021 | — |
| 11-K | Employee savings plan report | Jun 26, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 21, 2019 | Dec 31, 2018 |
| 11-K | Employee savings plan report | Jun 28, 2018 | Dec 31, 2017 |
| 11-K | Employee savings plan report | Jun 23, 2017 | Dec 31, 2016 |
| POSASR | Filing | Jun 5, 2017 | — |
| PX14A6G | Filing | Apr 20, 2017 | — |
| 11-K | Employee savings plan report | Jun 23, 2016 | Dec 31, 2015 |
Showing 28 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.