MLM · CIK 0000916076
MARTIN MARIETTA MATERIALS INC (MLM) SEC Filings
Browse 2952 SEC filings for MARTIN MARIETTA MATERIALS INC, covering May 14, 1996 through Jun 29, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,952
Filed in the last 12 months
83
History covered
1996–2026
Latest filing
8-K
Latest important filings
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Latest annual report
10-K
Annual report · Feb 19, 2026
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10-Q
Quarterly report · Apr 30, 2026
Open original filingLatest company update
8-K
CURRENT REPORT · Jun 29, 2026
Open original filingComplete filing history
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50 filings
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| Form | Description | Period ended | Filed |
|---|---|---|---|
| 8-K | CURRENT REPORT | Jun 27, 2026 | Jun 29, 2026 |
| 8-K | CURRENT REPORT | Jun 29, 2026 | Jun 29, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 4 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 3 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| 3 | PRIMARY DOCUMENT | May 14, 2026 | May 18, 2026 |
| S-8 | REGISTRATION STATEMENT | — | May 15, 2026 |
| 8-K | Management or director change; Shareholder vote | May 14, 2026 | May 14, 2026 |
| 4 | PRIMARY DOCUMENT | May 1, 2026 | May 5, 2026 |
| 3 | PRIMARY DOCUMENT | May 1, 2026 | May 5, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| 8-K | Results of operations; Regulation FD disclosure | Apr 30, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
57 filings
2025
72 filings
2024
89 filings
2023
90 filings
2022
97 filings
2021
83 filings
2020
85 filings
2019
92 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.