Martin Marietta Materials Inc
MLMNYSECIK 916076MaterialsFiscal year ends Dec 31
Reports and events: 334 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-09-1616:11 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000950157-26-001024 |
| 2026-08-2416:34 ET | SCHEDULE 13D | Ownership report, active investor | 0001493152-26-039879 |
| 2026-08-2407:33 ET | 8-K | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 3.02 Unregistered sale of equity; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-26-000946 |
| 2026-08-1817:00 ET | 8-K | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950157-26-000922 |
| 2026-08-1416:13 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-352270 |
| 2026-08-1216:19 ET | 8-K | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-346914 |
| 2026-08-1009:08 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-341412 |
| 2026-08-0517:14 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950157-26-000850 |
| 2026-08-0416:52 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0000950157-26-000837 |
| 2026-07-3015:35 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001193125-26-326001 |
| 2026-07-3007:03 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-324863 |
| 2026-07-1516:09 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950157-26-000802 |
| 2026-06-2917:27 ET | 8-K | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950157-26-000770 |
| 2026-06-2907:43 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-26-000758 |
| 2026-05-1417:07 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-224306 |
| 2026-04-3013:31 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001193125-26-196029 |
| 2026-04-3007:02 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure | 0001193125-26-193931 |
| 2026-04-2716:17 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950157-26-000549 |
| 2026-04-1516:16 ET | DEF 14A | Proxy statementPeriod 2026-05-14 | 0001193125-26-157039 |
| 2026-02-2316:20 ET | 8-K | 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-26-000175 |
| 2026-02-1915:16 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001193125-26-059193 |
| 2026-02-1316:23 ET | 8-K | 1.04 Item not in the standard list | 0001193125-26-051474 |
| 2026-02-1107:01 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-045530 |
| 2026-01-0218:11 ET | 8-K | 7.01 Regulation FD disclosure | 0000950157-25-001042 |
| 2025-12-1916:13 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950157-25-001013 |
| 2025-11-0415:50 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001193125-25-264566 |
| 2025-11-0407:02 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-263528 |
| 2025-09-1716:13 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000950157-25-000794 |
| 2025-09-0308:49 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-25-000750 |
| 2025-08-0716:18 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0000950170-25-105060 |
| 2025-08-0716:05 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000950157-25-000633 |
| 2025-08-0707:01 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-104539 |
| 2025-08-0408:31 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-25-000609 |
| 2025-07-0807:32 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950157-25-000556 |
| 2025-05-1515:56 ET | 8-K | 5.07 Shareholder vote results | 0000950170-25-072530 |
| 2025-04-3015:02 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0000950170-25-060940 |
| 2025-04-3006:58 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-060549 |
| 2025-04-1509:39 ET | DEF 14A | Proxy statementPeriod 2025-05-15 | 0001193125-25-080903 |
| 2025-04-1016:31 ET | 8-K | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950157-25-000310 |
| 2025-02-2114:57 ET | 10-K | Annual reportPeriod 2024-12-31 | 0000950170-25-024770 |
| 2025-02-1207:00 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-018398 |
| 2024-12-2016:12 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950157-24-001697 |
| 2024-12-0317:25 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0000950170-24-132888 |
| 2024-11-0416:09 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950157-24-001472 |
| 2024-11-0108:36 ET | 8-K | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950157-24-001462 |
| 2024-10-3014:23 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0000950170-24-118821 |
| 2024-10-3007:00 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-118583 |
| 2024-09-1916:34 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000950157-24-001270 |
| 2024-09-1810:15 ET | 8-K | 1.04 Item not in the standard list | 0000950170-24-107631 |
| 2024-08-0812:27 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0000950170-24-093580 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 13:55 ET. Listed shows no prices and gives no investment advice.