Martin Marietta Materials MLM SEC Filings

NYSE MLM
$512.32 +10.67 (+2.13%)
As of: Oct 20, 2026 · 3:18 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Martin Marietta Materials Inc (MLM) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1SDOthers0001193125-26-395534Sep 18, 2026 8:10 PM
28-KCurrent Report0000950157-26-001024Sep 16, 2026 4:11 PM
34Insider Transaction0000916076-26-000088Sep 2, 2026 9:19 PM
44Insider Transaction0000916076-26-000086Sep 2, 2026 8:35 PM
54Insider Transaction0000916076-26-000084Sep 2, 2026 8:31 PM
64Insider Transaction0000916076-26-000082Sep 2, 2026 8:29 PM
74Insider Transaction0000916076-26-000080Aug 25, 2026 8:15 PM
8SCHEDULE 13DBeneficial Ownership Report0001493152-26-039879Aug 24, 2026 8:34 PM
93Insider Transaction0001493152-26-039878Aug 24, 2026 8:32 PM
103Insider Transaction0001493152-26-039871Aug 24, 2026 8:30 PM
118-KCurrent Report0000950157-26-000946Aug 24, 2026 11:33 AM
128-KCurrent Report0000950157-26-000922Aug 18, 2026 5:00 PM
138-KCurrent Report0001193125-26-352270Aug 14, 2026 8:13 PM
14424B2Prospectus0001193125-26-349255Aug 13, 2026 4:17 PM
158-KCurrent Report0001193125-26-346914Aug 12, 2026 4:19 PM
16FWPOthers0001193125-26-345084Aug 11, 2026 5:29 PM
17424B5Prospectus0001193125-26-341435Aug 10, 2026 9:25 AM
188-KCurrent Report0001193125-26-341412Aug 10, 2026 9:08 AM
19SCHEDULE 13GBeneficial Ownership Report0000093751-26-000493Aug 7, 2026 2:05 PM
208-KCurrent Report0000950157-26-000850Aug 5, 2026 9:14 PM
214Insider Transaction0000916076-26-000077Aug 4, 2026 8:23 PM
228-KCurrent Report0000950157-26-000837Aug 4, 2026 4:52 PM
2310-QQuarterly & Annual Report0001193125-26-326001Jul 30, 2026 7:35 PM
248-KCurrent Report0001193125-26-324863Jul 30, 2026 11:03 AM
258-KCurrent Report0000950157-26-000802Jul 15, 2026 8:09 PM
268-KCurrent Report0000950157-26-000770Jun 29, 2026 9:27 PM
278-KCurrent Report0000950157-26-000758Jun 29, 2026 11:43 AM
2811-KOthers0001193125-26-275551Jun 18, 2026 6:11 PM
294Insider Transaction0000916076-26-000075Jun 2, 2026 8:17 PM
304Insider Transaction0000916076-26-000073Jun 2, 2026 8:15 PM
314Insider Transaction0000916076-26-000071Jun 2, 2026 8:14 PM
324Insider Transaction0000916076-26-000069May 18, 2026 5:40 PM
334Insider Transaction0000916076-26-000068May 18, 2026 5:38 PM
344Insider Transaction0000916076-26-000067May 18, 2026 5:37 PM
354Insider Transaction0000916076-26-000066May 18, 2026 5:37 PM
364Insider Transaction0000916076-26-000065May 18, 2026 5:36 PM
374Insider Transaction0000916076-26-000064May 18, 2026 5:36 PM
384Insider Transaction0000916076-26-000062May 18, 2026 5:33 PM
394Insider Transaction0000916076-26-000060May 18, 2026 5:31 PM
404Insider Transaction0000916076-26-000058May 18, 2026 5:29 PM
413Insider Transaction0000916076-26-000057May 18, 2026 5:27 PM
423Insider Transaction0000916076-26-000055May 18, 2026 5:24 PM
43S-8Prospectus0000950157-26-000624May 15, 2026 8:16 PM
448-KCurrent Report0001193125-26-224306May 14, 2026 5:07 PM-
454Insider Transaction0000916076-26-000051May 5, 2026 8:22 PM
464Insider Transaction0000916076-26-000051May 5, 2026 8:22 PM
473Insider Transaction0000916076-26-000049May 5, 2026 8:18 PM
483Insider Transaction0000916076-26-000049May 5, 2026 8:18 PM
4910-QQuarterly & Annual Report0001193125-26-196029Apr 30, 2026 1:31 PM
5010-QQuarterly & Annual Report0001193125-26-196029Apr 30, 2026 1:31 PM
...

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