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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 |
|---|---|---|
| Aug 24, 2026 | Executive or director changeAcquisition or sale completedMaterial agreementUnregistered share sale 8-K | Read ↗ |
| Aug 4, 2026 | Executive or director change 8-K | Read ↗ |
| May 14, 2026 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Apr 27, 2026 | Executive or director change 8-K | Read ↗ |
| Jul 8, 2025 | Executive or director change 8-K | Read ↗ |
| Apr 10, 2025 | Executive or director changeResults announced 8-K | Read ↗ |
| Dec 3, 2024 | Executive or director change 8-K | Read ↗ |
| Apr 21, 2023 | Executive or director change 8-K | Read ↗ |
| Dec 15, 2022 | Executive or director change 8-K | Read ↗ |
| Nov 9, 2020 | Executive or director change 8-K | Read ↗ |
| Jun 29, 2020 | Executive or director change 8-K | Read ↗ |
| Jul 15, 2019 | Executive or director change 8-K | Read ↗ |
| May 10, 2019 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Mar 12, 2019 | Executive or director change 8-K | Read ↗ |
| Dec 18, 2018 | Executive or director change 8-K | Read ↗ |
| Nov 5, 2018 | Executive or director change 8-K | Read ↗ |
| Jun 8, 2018 | Executive or director change 8-K | Read ↗ |
| Jun 22, 2017 | Executive or director change 8-K | Read ↗ |
| Feb 24, 2017 | Executive or director change 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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