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Martin Marietta Materials, Inc. (MLM)

Martin Marietta Materials, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Martin Marietta Materials, Inc. (MLM) is a Construction Materials company based in US with a market capitalization of $35.3B. Revenue grew 0.1% year-over-year and the company generated $978M in free cash flow. This page tracks MLM's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 9.4K employees · IPO Feb 17, 1994

Valuation

Valuation & price

$558.66 · as of May 17, 2026 · -21.1% vs 52w high

29.7

P/E ratio

Latest-FY diluted EPS

3.52

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$708$620$533Jul 25Dec 25Jun 26Jul 7, 25$556.29Jul 9, 25$567.02Jul 11, 25$562.00Jul 15, 25$548.42Jul 17, 25$553.09Jul 21, 25$563.26Jul 23, 25$574.75Jul 25, 25$585.73Jul 29, 25$579.92Jul 31, 25$574.88Aug 4, 25$602.32Aug 6, 25$598.04Aug 8, 25$610.92Aug 12, 25$615.43Aug 14, 25$612.50Aug 18, 25$602.83Aug 20, 25$600.60Aug 22, 25$607.89Aug 26, 25$617.04Aug 28, 25$612.29Sep 3, 25$611.20Sep 5, 25$622.64Sep 9, 25$614.22Sep 11, 25$631.12Sep 15, 25$611.08Sep 17, 25$609.69Sep 19, 25$618.57Sep 23, 25$615.39Sep 25, 25$608.06Sep 29, 25$621.25Oct 1, 25$620.06Oct 3, 25$634.77Oct 7, 25$629.61Oct 9, 25$633.81Oct 13, 25$638.61Oct 15, 25$639.16Oct 17, 25$625.40Oct 21, 25$632.03Oct 23, 25$619.35Oct 27, 25$616.84Oct 30, 25$613.02Nov 3, 25$619.30Nov 5, 25$610.61Nov 7, 25$610.64Nov 11, 25$620.40Nov 13, 25$602.13Nov 17, 25$589.97Nov 19, 25$596.82Nov 21, 25$603.18Nov 25, 25$617.93Nov 28, 25$623.24Dec 2, 25$607.99Dec 4, 25$618.78Dec 8, 25$622.20Dec 10, 25$623.41Dec 12, 25$628.25Dec 16, 25$629.49Dec 18, 25$627.38Dec 22, 25$632.51Dec 24, 25$643.14Dec 29, 25$637.27Jan 2, 26$634.44Jan 6, 26$646.24Jan 8, 26$638.11Jan 12, 26$663.71Jan 14, 26$636.71Jan 16, 26$651.66Jan 21, 26$641.14Jan 23, 26$649.48Jan 27, 26$649.25Jan 29, 26$653.33Feb 2, 26$654.33Feb 4, 26$671.17Feb 6, 26$690.00Feb 10, 26$708.11Feb 12, 26$660.07Feb 17, 26$666.53Feb 19, 26$675.40Feb 23, 26$683.60Feb 25, 26$673.29Mar 2, 26$665.35Mar 4, 26$660.60Mar 6, 26$609.99Mar 10, 26$607.54Mar 12, 26$587.37Mar 16, 26$585.31Mar 18, 26$567.92Mar 20, 26$560.69Mar 24, 26$576.18Mar 26, 26$580.11Mar 30, 26$573.57Apr 1, 26$598.92Apr 6, 26$598.48Apr 8, 26$624.36Apr 10, 26$631.53Apr 14, 26$630.80Apr 16, 26$607.98Apr 20, 26$627.35Apr 22, 26$610.64Apr 24, 26$615.30Apr 28, 26$614.04May 1, 26$614.49May 5, 26$606.10May 7, 26$600.49May 11, 26$585.98May 13, 26$576.79May 15, 26$558.66May 19, 26$532.65May 21, 26$537.97May 26, 26$560.93May 28, 26$575.14Jun 1, 26$570.96Jun 3, 26$583.15Jun 5, 26$575.83Jun 9, 26$572.25Jun 11, 26$565.54Jun 15, 26$588.89Jun 17, 26$591.08Jun 22, 26$609.88Jun 26, 26$616.06
$532.6552-week range$708.11
Loading valuation history…

Fundamentals

Key fundamentals

$35.3B

Market cap

0.1%

Revenue growth (YoY)

30.0%

Gross margin

$978M

Free cash flow (USD)

$5.3B

Net debt

-1.8%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Basic Materials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$3.8BFY 2017$4.0BFY 2018$4.2BFY 2019$4.7BFY 2020$4.7BFY 2021$5.4BFY 2022$6.2BFY 2023$6.8BFY 2024$6.5BFY 2025$6.5B
$3.8B$6.5B

Free cash flow by year

2016 → 2025

FY 2016$301.7MFY 2017$247.3MFY 2018$329.1MFY 2019$572.6MFY 2020$690.4MFY 2021$714.6MFY 2022$509.0MFY 2023$878.0MFY 2024$604.0MFY 2025$978.0M
$301.7M$978M

Gross margin by year

2021 → 2025

FY 202124.9%FY 202223.1%FY 202329.9%FY 202428.7%FY 202530.0%
24.9%30.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed Apr 30, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventSecurities Sale AgreementJun 29, 2026Filing
  • 8-K eventAcquisition AnnouncedJun 29, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 14, 2026Filing
  • 8-K eventEarnings ReleaseApr 30, 2026Filing
  • Quarterly report10-Q FiledApr 30, 2026Filing
  • 8-K eventCOO AppointmentApr 27, 2026Filing

Questions

Frequently asked questions

What is Martin Marietta Materials, Inc.'s market cap?

Martin Marietta Materials, Inc. (MLM) has a market capitalization of $35.3B.

What is MLM's P/E ratio?

MLM trades at a price-to-earnings ratio of 29.7, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is MLM's price-to-book (P/B) ratio?

MLM trades at 3.52 times book value per share.

Are insiders buying MLM stock?

SEC Form 4 filings show no open-market insider buys at Martin Marietta Materials, Inc. in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.