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Martin Marietta Materials Inc SEC Filings
What Martin Marietta Materials Inc has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
MLM overview →Filings on file
149
since Sep 30, 2016
Warning signs
0
none filed
Last results
Jul 30, 2026
8-K item 2.02
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SIC 1400
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Sep 16, 2026 | Material agreement 8-K | Read ↗ |
| Aug 24, 2026 | Executive or director changeAcquisition or sale completedMaterial agreementUnregistered share sale 8-K | Read ↗ |
| Aug 18, 2026 | Material agreementNew debt 8-K | Read ↗ |
| Aug 14, 2026 | Material agreementNew debt 8-K | Read ↗ |
| Aug 12, 2026 | Material agreement 8-K | Read ↗ |
| Aug 4, 2026 | Executive or director change 8-K | Read ↗ |
| Jul 30, 2026 | Quarterly report 10-Q | Read ↗ |
| Jul 30, 2026 | Results announced 8-K | Read ↗ |
| Jul 15, 2026 | Material agreementNew debt 8-K | Read ↗ |
| Jun 29, 2026 | Material agreementUnregistered share sale 8-K | Read ↗ |
| May 14, 2026 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Apr 30, 2026 | Quarterly report 10-Q | Read ↗ |
| Apr 30, 2026 | Results announced 8-K | Read ↗ |
| Apr 27, 2026 | Executive or director change 8-K | Read ↗ |
| Feb 23, 2026 | Acquisition or sale completed 8-K | Read ↗ |
| Feb 19, 2026 | Annual report 10-K | Read ↗ |
| Feb 11, 2026 | Results announced 8-K | Read ↗ |
| Dec 19, 2025 | Material agreementNew debt 8-K | Read ↗ |
| Nov 4, 2025 | Quarterly report 10-Q | Read ↗ |
| Nov 4, 2025 | Results announced 8-K | Read ↗ |
| Sep 17, 2025 | Material agreement 8-K | Read ↗ |
| Aug 7, 2025 | Quarterly report 10-Q | Read ↗ |
| Aug 7, 2025 | Material agreement 8-K | Read ↗ |
| Aug 7, 2025 | Results announced 8-K | Read ↗ |
| Aug 4, 2025 | Results announced 8-K | Read ↗ |
| Jul 8, 2025 | Executive or director change 8-K | Read ↗ |
| May 15, 2025 | Shareholder vote 8-K | Read ↗ |
| Apr 30, 2025 | Quarterly report 10-Q | Read ↗ |
| Apr 30, 2025 | Results announced 8-K | Read ↗ |
| Apr 10, 2025 | Executive or director changeResults announced 8-K | Read ↗ |
| Feb 21, 2025 | Annual report 10-K | Read ↗ |
| Feb 12, 2025 | Results announced 8-K | Read ↗ |
| Dec 20, 2024 | Material agreementNew debt 8-K | Read ↗ |
| Dec 3, 2024 | Executive or director change 8-K | Read ↗ |
| Nov 4, 2024 | Material agreementNew debt 8-K | Read ↗ |
| Nov 1, 2024 | Material agreement 8-K | Read ↗ |
| Oct 30, 2024 | Quarterly report 10-Q | Read ↗ |
| Oct 30, 2024 | Results announced 8-K | Read ↗ |
| Sep 19, 2024 | Material agreement 8-K | Read ↗ |
| Aug 8, 2024 | Quarterly report 10-Q | Read ↗ |
| Aug 8, 2024 | Results announced 8-K | Read ↗ |
| May 17, 2024 | Shareholder vote 8-K | Read ↗ |
| Apr 30, 2024 | Quarterly report 10-Q | Read ↗ |
| Apr 30, 2024 | Results announced 8-K | Read ↗ |
| Feb 23, 2024 | Annual report 10-K | Read ↗ |
| Feb 14, 2024 | Results announced 8-K | Read ↗ |
| Dec 21, 2023 | Material agreementNew debt 8-K | Read ↗ |
| Nov 24, 2023 | Material agreement 8-K | Read ↗ |
| Nov 1, 2023 | Quarterly report 10-Q | Read ↗ |
| Nov 1, 2023 | Results announced 8-K | Read ↗ |
| Sep 20, 2023 | Material agreement 8-K | Read ↗ |
| Jul 27, 2023 | Quarterly report 10-Q | Read ↗ |
| Jul 27, 2023 | Results announced 8-K | Read ↗ |
| May 12, 2023 | Shareholder vote 8-K | Read ↗ |
| May 4, 2023 | Quarterly report 10-Q | Read ↗ |
| May 4, 2023 | Results announced 8-K | Read ↗ |
| Apr 21, 2023 | Executive or director change 8-K | Read ↗ |
| Feb 24, 2023 | Annual report 10-K | Read ↗ |
| Feb 15, 2023 | Results announced 8-K | Read ↗ |
| Dec 22, 2022 | Material agreementNew debt 8-K | Read ↗ |
| Dec 15, 2022 | Executive or director change 8-K | Read ↗ |
| Nov 2, 2022 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2022 | Results announced 8-K | Read ↗ |
| Sep 29, 2022 | Material agreement 8-K | Read ↗ |
| Sep 21, 2022 | Material agreement 8-K | Read ↗ |
| Jul 28, 2022 | Quarterly report 10-Q | Read ↗ |
| Jul 28, 2022 | Results announced 8-K | Read ↗ |
| May 13, 2022 | Shareholder vote 8-K | Read ↗ |
| May 3, 2022 | Quarterly report 10-Q | Read ↗ |
| May 3, 2022 | Results announced 8-K | Read ↗ |
| Feb 22, 2022 | Annual report 10-K | Read ↗ |
| Feb 10, 2022 | Results announced 8-K | Read ↗ |
| Dec 27, 2021 | Material agreementNew debt 8-K | Read ↗ |
| Nov 2, 2021 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2021 | Results announced 8-K | Read ↗ |
| Oct 1, 2021 | Acquisition or sale completed 8-K | Read ↗ |
| Sep 23, 2021 | Material agreement 8-K | Read ↗ |
| Jul 29, 2021 | Quarterly report 10-Q | Read ↗ |
| Jul 29, 2021 | Results announced 8-K | Read ↗ |
| Jul 2, 2021 | Material agreementNew debt 8-K | Read ↗ |
| Jun 22, 2021 | Material agreement 8-K | Read ↗ |
| May 25, 2021 | Material agreement 8-K | Read ↗ |
| May 14, 2021 | Shareholder vote 8-K | Read ↗ |
| May 4, 2021 | Quarterly report 10-Q | Read ↗ |
| May 4, 2021 | Results announced 8-K | Read ↗ |
| Feb 19, 2021 | Annual report 10-K | Read ↗ |
| Feb 9, 2021 | Results announced 8-K | Read ↗ |
| Nov 9, 2020 | Executive or director change 8-K | Read ↗ |
| Oct 29, 2020 | Quarterly report 10-Q | Read ↗ |
| Oct 29, 2020 | Results announced 8-K | Read ↗ |
| Sep 23, 2020 | Material agreement 8-K | Read ↗ |
| Jul 28, 2020 | Quarterly report 10-Q | Read ↗ |
| Jul 28, 2020 | Results announced 8-K | Read ↗ |
| Jun 29, 2020 | Executive or director change 8-K | Read ↗ |
| May 15, 2020 | Shareholder vote 8-K | Read ↗ |
| May 5, 2020 | Quarterly report 10-Q | Read ↗ |
| May 5, 2020 | Results announced 8-K | Read ↗ |
| Mar 16, 2020 | Material agreementNew debt 8-K | Read ↗ |
| Mar 6, 2020 | Material agreement 8-K | Read ↗ |
| Feb 21, 2020 | Annual report 10-K | Read ↗ |
| Feb 11, 2020 | Results announced 8-K | Read ↗ |
| Oct 30, 2019 | Quarterly report 10-Q | Read ↗ |
| Oct 29, 2019 | Results announced 8-K | Read ↗ |
| Sep 24, 2019 | Material agreement 8-K | Read ↗ |
| Jul 31, 2019 | Quarterly report 10-Q | Read ↗ |
| Jul 30, 2019 | Results announced 8-K | Read ↗ |
| Jul 15, 2019 | Executive or director change 8-K | Read ↗ |
| May 10, 2019 | Executive or director changeShareholder vote 8-K | Read ↗ |
| May 1, 2019 | Quarterly report 10-Q | Read ↗ |
| Apr 30, 2019 | Results announced 8-K | Read ↗ |
| Mar 18, 2019 | Annual report 10-K/A | Read ↗ |
| Mar 12, 2019 | Executive or director change 8-K | Read ↗ |
| Feb 25, 2019 | Annual report 10-K | Read ↗ |
| Feb 12, 2019 | Results announced 8-K | Read ↗ |
| Dec 18, 2018 | Executive or director change 8-K | Read ↗ |
| Nov 7, 2018 | Quarterly report 10-Q | Read ↗ |
| Nov 6, 2018 | Results announced 8-K | Read ↗ |
| Nov 5, 2018 | Executive or director change 8-K | Read ↗ |
| Sep 25, 2018 | Material agreement 8-K | Read ↗ |
| Jul 27, 2018 | Quarterly report 10-Q | Read ↗ |
| Jul 26, 2018 | Results announced 8-K | Read ↗ |
| Jun 8, 2018 | Executive or director change 8-K | Read ↗ |
| May 18, 2018 | Shareholder vote 8-K | Read ↗ |
| May 8, 2018 | Quarterly report 10-Q | Read ↗ |
| May 8, 2018 | Results announced 8-K | Read ↗ |
| Apr 30, 2018 | Acquisition or sale completed 8-K | Read ↗ |
| Apr 17, 2018 | Material agreement 8-K | Read ↗ |
| Feb 23, 2018 | Annual report 10-K | Read ↗ |
| Feb 13, 2018 | Results announced 8-K | Read ↗ |
| Dec 20, 2017 | Material agreementNew debt 8-K | Read ↗ |
| Dec 8, 2017 | Material agreement 8-K | Read ↗ |
| Nov 2, 2017 | Quarterly report 10-Q | Read ↗ |
| Nov 2, 2017 | Results announced 8-K | Read ↗ |
| Aug 1, 2017 | Quarterly report 10-Q | Read ↗ |
| Aug 1, 2017 | Results announced 8-K | Read ↗ |
| Jun 26, 2017 | Material agreement 8-K | Read ↗ |
| Jun 22, 2017 | Executive or director change 8-K | Read ↗ |
| May 22, 2017 | Material agreementNew debt 8-K | Read ↗ |
| May 19, 2017 | Shareholder vote 8-K | Read ↗ |
| May 19, 2017 | Material agreement 8-K | Read ↗ |
| May 10, 2017 | Quarterly report 10-Q | Read ↗ |
| May 2, 2017 | Results announced 8-K | Read ↗ |
| Feb 24, 2017 | Annual report 10-K | Read ↗ |
| Feb 24, 2017 | Executive or director change 8-K | Read ↗ |
| Feb 14, 2017 | Results announced 8-K | Read ↗ |
| Dec 7, 2016 | Material agreementNew debt 8-K | Read ↗ |
| Nov 2, 2016 | Quarterly report 10-Q | Read ↗ |
| Nov 1, 2016 | Results announced 8-K | Read ↗ |
| Sep 30, 2016 | Material agreement 8-K | Read ↗ |
Source: Martin Marietta Materials Inc's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
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