Martin Marietta Materials Inc SEC filings MLM
Martin Marietta Materials Inc has 1,003 filings in SEC EDGAR's recent list, going back to Feb 8, 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 |
|---|---|---|---|
| 8-K/A | Amended current report | Nov 4, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2026 | Nov 4, 2026 |
| SD | Specialized disclosure (conflict minerals) | Sep 18, 2026 | — |
| 8-K |
Current report
Material agreement
|
Sep 16, 2026 | Sep 15, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Regulation FD disclosure
|
Aug 24, 2026 | Aug 21, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Aug 18, 2026 | Aug 18, 2026 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Aug 14, 2026 | Aug 14, 2026 |
| 424B2 | Prospectus | Aug 13, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 12, 2026 | Aug 11, 2026 |
| FWP | Free writing prospectus | Aug 11, 2026 | — |
| 424B5 | Prospectus supplement | Aug 10, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Other events
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 4, 2026 | Aug 4, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 15, 2026 | Jul 10, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jun 29, 2026 | Jun 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 29, 2026 | Jun 29, 2026 |
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| S-8 | Employee stock plan registration | May 15, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 14, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 27, 2026 | Apr 27, 2026 |
| ARS | Annual report to shareholders | Apr 15, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 15, 2026 | May 14, 2026 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Feb 23, 2026 | Feb 23, 2026 |
| S-3ASR | Automatic shelf registration | Feb 19, 2026 | — |
| 10-K | Annual report | Feb 19, 2026 | Dec 31, 2025 |
| 8-K | Current report | Feb 13, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 11, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 19, 2025 | Dec 19, 2025 |
| S-8 | Employee stock plan registration | Nov 13, 2025 | — |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2025 | Nov 4, 2025 |
| SD | Specialized disclosure (conflict minerals) | Sep 24, 2025 | — |
| 8-K |
Current report
Material agreement
|
Sep 17, 2025 | Sep 16, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 3, 2025 | Sep 3, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement
|
Aug 7, 2025 | Aug 3, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 4, 2025 | Aug 3, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 8, 2025 | Jul 7, 2025 |
| 11-K | Employee savings plan report | Jun 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | Apr 30, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2025 | Apr 30, 2025 |
| ARS | Annual report to shareholders | Apr 15, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 15, 2025 | May 15, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Apr 10, 2025 | Apr 9, 2025 |
| 10-K | Annual report | Feb 21, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 12, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 20, 2024 | Dec 20, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 3, 2024 | Dec 3, 2024 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Nov 4, 2024 | Nov 4, 2024 |
| 424B2 | Prospectus | Nov 1, 2024 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Nov 1, 2024 | Oct 31, 2024 |
| FWP | Free writing prospectus | Oct 31, 2024 | — |
| 424B5 | Prospectus supplement | Oct 31, 2024 | — |
| 10-Q | Quarterly report | Oct 30, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Material agreement
|
Sep 19, 2024 | Sep 18, 2024 |
| 8-K | Current report | Sep 18, 2024 | Sep 12, 2024 |
| SD | Specialized disclosure (conflict minerals) | Sep 18, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K | Current report | Jul 12, 2024 | Jul 8, 2024 |
| 11-K | Employee savings plan report | Jun 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2024 | May 16, 2024 |
| 8-K | Current report | May 3, 2024 | May 1, 2024 |
| 10-Q | Quarterly report | Apr 30, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2024 | Apr 30, 2024 |
| ARS | Annual report to shareholders | Apr 16, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 15, 2024 | May 16, 2024 |
| 10-K | Annual report | Feb 23, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 14, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 21, 2023 | Dec 21, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Nov 24, 2023 | Nov 20, 2023 |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 20, 2023 | Oct 20, 2023 |
| 8-K |
Current report
Material agreement
|
Sep 20, 2023 | Sep 20, 2023 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2023 | Jul 27, 2023 |
| 11-K | Employee savings plan report | Jun 26, 2023 | Dec 31, 2022 |
| 8-K | Current report | May 26, 2023 | May 23, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2023 | May 11, 2023 |
| S-3ASR | Automatic shelf registration | May 5, 2023 | — |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2023 | May 4, 2023 |
| PX14A6G | Form px14a6g | Apr 24, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2023 | Apr 19, 2023 |
| DEF 14A | Proxy statement | Apr 14, 2023 | — |
| ARS | Annual report to shareholders | Mar 13, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 15, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 22, 2022 | Dec 22, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 15, 2022 | Dec 12, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Nov 14, 2022 | Nov 10, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Agreement ended, Other events
|
Sep 29, 2022 | Sep 29, 2022 |
| 8-K |
Current report
Material agreement
|
Sep 21, 2022 | Sep 21, 2022 |
| UPLOAD | Letter from the SEC | Sep 12, 2022 | — |
| CORRESP | Letter to the SEC | Aug 24, 2022 | — |
| 8-K | Current report | Aug 11, 2022 | Jul 28, 2022 |
| CORRESP | Letter to the SEC | Aug 4, 2022 | — |
| UPLOAD | Letter from the SEC | Aug 3, 2022 | — |
| 10-Q | Quarterly report | Jul 28, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2022 | Jul 28, 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 | — |
| 8-K | Current report | Jun 10, 2022 | Jun 6, 2022 |
| UPLOAD | Letter from the SEC | Jun 1, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2022 | May 12, 2022 |
| 10-Q | Quarterly report | May 3, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 3, 2022 | May 3, 2022 |
| DEF 14A | Proxy statement | Apr 13, 2022 | May 12, 2022 |
| 10-K | Annual report | Feb 22, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 10, 2022 | Feb 10, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Dec 27, 2021 | Dec 21, 2021 |
| 10-Q | Quarterly report | Nov 2, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2021 | Nov 2, 2021 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Oct 1, 2021 | Oct 1, 2021 |
| 8-K |
Current report
Material agreement
|
Sep 23, 2021 | Sep 22, 2021 |
| 10-Q | Quarterly report | Jul 29, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jul 2, 2021 | Jul 2, 2021 |
| 11-K | Employee savings plan report | Jun 23, 2021 | Dec 31, 2020 |
| 424B2 | Prospectus | Jun 23, 2021 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 22, 2021 | Jun 21, 2021 |
| FWP | Free writing prospectus | Jun 22, 2021 | — |
| 424B5 | Prospectus supplement | Jun 21, 2021 | — |
| 8-K |
Current report
Material agreement
|
May 25, 2021 | May 23, 2021 |
| 8-K |
Current report
Other events
|
May 24, 2021 | May 23, 2021 |
| UPLOAD | Letter from the SEC | May 18, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2021 | May 13, 2021 |
| CORRESP | Letter to the SEC | May 5, 2021 | — |
| 10-Q | Quarterly report | May 4, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2021 | May 4, 2021 |
| UPLOAD | Letter from the SEC | Apr 21, 2021 | — |
| DEF 14A | Proxy statement | Apr 13, 2021 | May 13, 2021 |
| 8-K | Current report | Mar 8, 2021 | Mar 4, 2021 |
| 10-K | Annual report | Feb 19, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 9, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Officer or director change
|
Nov 9, 2020 | Nov 6, 2020 |
| 10-Q | Quarterly report | Oct 29, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Material agreement
|
Sep 23, 2020 | Sep 23, 2020 |
| 10-Q | Quarterly report | Jul 28, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2020 | Jul 28, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 29, 2020 | Jun 25, 2020 |
| 11-K | Employee savings plan report | Jun 26, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2020 | May 14, 2020 |
| S-3ASR | Automatic shelf registration | May 12, 2020 | — |
| 10-Q | Quarterly report | May 5, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 5, 2020 | May 5, 2020 |
| DEF 14A | Proxy statement | Apr 16, 2020 | May 14, 2020 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 16, 2020 | Mar 16, 2020 |
| 424B2 | Prospectus | Mar 9, 2020 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 6, 2020 | Mar 5, 2020 |
| FWP | Free writing prospectus | Mar 5, 2020 | — |
| 424B5 | Prospectus supplement | Mar 5, 2020 | — |
| 10-K | Annual report | Feb 21, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 11, 2020 | Feb 11, 2020 |
| 10-Q | Quarterly report | Oct 30, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2019 | Oct 29, 2019 |
| 8-K |
Current report
Material agreement
|
Sep 24, 2019 | Sep 24, 2019 |
| 10-Q | Quarterly report | Jul 31, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2019 | Jul 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Jul 15, 2019 | Jul 15, 2019 |
| 11-K | Employee savings plan report | Jun 21, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 10, 2019 | May 9, 2019 |
| 10-Q | Quarterly report | May 1, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2019 | Apr 30, 2019 |
| DEF 14A | Proxy statement | Apr 10, 2019 | May 9, 2019 |
| 10-K/A | Amended annual report | Mar 18, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Officer or director change
|
Mar 12, 2019 | Mar 11, 2019 |
| 10-K | Annual report | Feb 25, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 12, 2019 | Feb 12, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 18, 2018 | Dec 14, 2018 |
| 8-K | Current report | Dec 14, 2018 | Dec 10, 2018 |
| 8-K | Current report | Nov 30, 2018 | Nov 27, 2018 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2018 | Nov 6, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2018 | Nov 5, 2018 |
| 8-K |
Current report
Material agreement
|
Sep 25, 2018 | Sep 25, 2018 |
| 10-Q | Quarterly report | Jul 27, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 26, 2018 | Jul 26, 2018 |
| 11-K | Employee savings plan report | Jun 28, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Officer or director change
|
Jun 8, 2018 | Jun 5, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2018 | May 17, 2018 |
| 8-K | Current report | May 10, 2018 | Apr 25, 2018 |
| 10-Q | Quarterly report | May 8, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 8, 2018 | May 8, 2018 |
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
- 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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All 37 Mining & Quarrying of Nonmetallic Minerals (No Fuels) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.