Martin Marietta Materials Inc SEC filings MLM

Martin Marietta Materials Inc has 1,000 filings in SEC EDGAR's recent list, going back to Feb 10, 2016. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Form Description Filed Period
DEF 14A Proxy statement Apr 15, 2026 May 14, 2026
DEF 14A Proxy statement Apr 15, 2025 May 15, 2025
DEF 14A Proxy statement Apr 15, 2024 May 16, 2024
DEF 14A Proxy statement Apr 14, 2023 —
DEF 14A Proxy statement Apr 13, 2022 May 12, 2022
DEF 14A Proxy statement Apr 13, 2021 May 13, 2021
DEF 14A Proxy statement Apr 16, 2020 May 14, 2020
DEF 14A Proxy statement Apr 10, 2019 May 9, 2019
DEF 14A Proxy statement Apr 19, 2018 May 17, 2018
DEF 14A Proxy statement Apr 17, 2017 May 18, 2017
DEF 14A Proxy statement Apr 20, 2016 May 19, 2016
PRE 14A Preliminary proxy statement Apr 8, 2016 May 19, 2016

Showing 12 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels) (SIC 1400)
Listed as
MLM (NYSE)
Fiscal year ends
December 31
Incorporated in
NC
Headquarters
Raleigh, NC
SEC filer status
Large accelerated filer
SEC CIK
916076

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.