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MLMMartin Marietta Materials

Materials · Aggregates · NYSE

Martin Marietta Materials, Inc. (the Company or Martin Marietta) is a leading natural resource-based building materials company. 10-K, Item 1

MLM quote by TradingView
Headquarters
Raleigh, NC
CEO
C. Howard Nye
Next results
around Feb 10, 2027
Compare with peers → Embed

Timeline

1 yr2 yr3 yr
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 44 events

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing MLM made with the SEC since Feb 5, 2016, newest first, linked to the document on sec.gov. Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results".

All 1008 Annual & quarterly 45Current reports (8-K) 142Insiders 706Proxy & votes 14Big owners (13D/13G) 46Shares & debt offered 25SEC letters 11Other 19
FiledFormWhat it isPeriod
Nov 4, 202610-Q Quarterly reportSep 30, 2026 all files · tables
Nov 4, 20268-K Quarterly results, Regulation FD disclosureNov 4, 2026 all files
Nov 4, 20268-K/A Current report (amended)Aug 21, 2026 all files
Oct 30, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Oct 30, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Sep 18, 2026SD Conflict minerals report all files
Sep 16, 20268-K Material agreement signedSep 15, 2026 all files
Sep 2, 20264 Insider tradeSep 1, 2026 all files
Sep 2, 20264 Insider tradeAug 31, 2026 all files
Sep 2, 20264 Insider tradeAug 31, 2026 all files
Sep 2, 20264 Insider tradeAug 31, 2026 all files
Aug 25, 20264 Insider tradeAug 21, 2026 all files
Aug 24, 2026SCHEDULE 13D 5%+ owner (active) all files
Aug 24, 20263 New insiderAug 21, 2026 all files
Aug 24, 20263 New insiderAug 21, 2026 all files
Aug 24, 20268-K Material agreement signed, Acquisition or sale of assets completed, Unregistered share sale, Director or officer change, Regulation FD disclosureAug 21, 2026 all files
Aug 18, 20268-K Material agreement signed, Material agreement ended, New debt or obligationAug 18, 2026 all files
Aug 14, 20268-K Material agreement signed, New debt or obligation, Other eventsAug 14, 2026 all files
Aug 13, 2026424B2 Prospectus (notes) all files
Aug 12, 20268-K Material agreement signed, Regulation FD disclosureAug 11, 2026 all files
Aug 11, 2026FWP Offering terms all files
Aug 10, 2026424B5 Prospectus all files
Aug 10, 20268-K Other eventsAug 10, 2026 all files
Aug 5, 20268-K Other eventsAug 5, 2026 all files
Aug 4, 20268-K Director or officer changeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 3, 2026 all files
Jul 30, 202610-Q Quarterly reportJun 30, 2026 all files · tables
Jul 30, 20268-K Quarterly results, Regulation FD disclosureJul 30, 2026 all files
Jul 15, 20268-K Material agreement signed, New debt or obligationJul 10, 2026 all files
Jun 29, 20268-K Material agreement signed, Unregistered share sale, Other eventsJun 27, 2026 all files
Jun 29, 20268-K Regulation FD disclosureJun 29, 2026 all files
Jun 18, 202611-K Employee plan annual reportDec 31, 2025 all files
Jun 2, 20264 Insider tradeMay 29, 2026 all files
Jun 2, 20264 Insider tradeMay 29, 2026 all files
Jun 2, 20264 Insider tradeMay 29, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20264 Insider tradeMay 14, 2026 all files
May 18, 20263 New insiderMay 14, 2026 all files
May 18, 20263 New insiderMay 14, 2026 all files
May 15, 2026S-8 Shares registered for employee plans all files
May 14, 20268-K Director or officer change, Shareholder vote resultsMay 14, 2026 all files
May 5, 20264 Insider tradeMay 1, 2026 all files
May 5, 20263 New insiderMay 1, 2026 all files
Apr 30, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 30, 202610-Q Quarterly reportMar 31, 2026 all files · tables
Apr 30, 20268-K Quarterly results, Regulation FD disclosureApr 30, 2026 all files
Apr 29, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 27, 20268-K Director or officer changeApr 27, 2026 all files
Apr 15, 2026ARS Annual report to shareholdersDec 31, 2025 all files
Apr 15, 2026DEF 14A Proxy statementMay 14, 2026 all files
Mar 27, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Mar 3, 20264 Insider tradeMar 1, 2026 all files
Mar 3, 20264 Insider tradeMar 1, 2026 all files
Mar 3, 20264 Insider tradeMar 1, 2026 all files
Mar 3, 20264 Insider tradeMar 1, 2026 all files
Mar 3, 20263 New insiderMar 1, 2026 all files
Mar 2, 20264 Insider tradeFeb 27, 2026 all files
Mar 2, 20264 Insider tradeFeb 27, 2026 all files
Mar 2, 20264 Insider tradeFeb 27, 2026 all files
Feb 25, 20264 Insider tradeFeb 23, 2026 all files
Feb 25, 20264 Insider tradeFeb 23, 2026 all files
Feb 25, 20264 Insider tradeFeb 23, 2026 all files
Feb 25, 20264 Insider tradeFeb 24, 2026 all files
Feb 25, 20264 Insider tradeFeb 23, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 24, 20264 Insider tradeFeb 20, 2026 all files
Feb 23, 20268-K Acquisition or sale of assets completed, Regulation FD disclosureFeb 23, 2026 all files
Feb 19, 202610-K Annual reportDec 31, 2025 all files · tables
Feb 19, 2026S-3ASR Shelf registration all files
Feb 19, 20264 Insider tradeFeb 17, 2026 all files
Feb 19, 20264 Insider tradeFeb 17, 2026 all files
Feb 19, 20264 Insider tradeFeb 17, 2026 all files
Feb 19, 20264 Insider tradeFeb 17, 2026 all files
Feb 13, 20268-K Item 1.04Feb 11, 2026 all files
Feb 11, 20268-K Quarterly results, Regulation FD disclosureFeb 11, 2026 all files
Jan 2, 20268-K Regulation FD disclosureDec 31, 2025 all files
Dec 19, 20258-K Material agreement signed, New debt or obligationDec 19, 2025 all files
Dec 17, 20254 Insider tradeDec 16, 2025 all files
Dec 17, 20254 Insider tradeDec 16, 2025 all files
Dec 17, 20254 Insider tradeDec 16, 2025 all files
Dec 17, 20254 Insider tradeDec 16, 2025 all files
Dec 3, 20254 Insider tradeDec 1, 2025 all files
Dec 3, 20254 Insider tradeDec 1, 2025 all files
Dec 1, 20254 Insider tradeNov 28, 2025 all files
Dec 1, 20254 Insider tradeNov 28, 2025 all files
Dec 1, 20254 Insider tradeNov 28, 2025 all files
Nov 13, 2025S-8 Shares registered for employee plans all files
Nov 4, 202510-Q Quarterly reportSep 30, 2025 all files · tables
Nov 4, 20258-K Quarterly results, Regulation FD disclosureNov 4, 2025 all files
Sep 24, 2025SD Conflict minerals report all files

From SEC's filing index (data.sec.gov submissions).

Work on MLM in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/MLM/export.csv") into a cell.