SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists

Martin Marietta Materials Inc (New York Stock Exchange:MLM)

US · Delayed Price · Currency is USD
478.83-10.18 (-2.08%)
 
Market Cap28.76B-24.8%
Revenue (ttm)6.69B+0.1%
Net Income2.46B+123.6%
EPS40.70+125.7%
Shares Out60.07M
PE Ratio11.74
Forward PE22.25
Dividend$3.33(0.70%)
Ex-Dividend DateSep 1, 2026
Volume574,171
Open482.01
Previous Close489.01
Day's Range474.96 - 487.00
52-Week Range470.19 - 710.97
Beta1.08
AnalystsBuy
Price Target634.70(+32.55%)
Earnings DateNov 3, 2026
Insider Score
––Not scored
MLM Insider Score

Insiders here have filed 6 Form 4s in the last 90 days, but all of them are share awards, grants or other non-market transactions. Those are compensation, not a decision to buy, so they are not scored.

About MLM

Martin Marietta Materials, Inc. functions as a company specializing in natural resource-derived building materials. This enterprise delivers a wide range of aggregates and other heavy construction components to the building industry, serving both domestic and international markets. Its product portfolio includes foundational raw materials like crushed stone, sand, and gravel, in addition to manufactured items such as ready-mix concrete, asphalt, and comprehensive paving solutions. These offerings are essential for infrastructure projects, commercial and residential developments, and various other sectors including railroads, agriculture, utilities, and environmental applications. Beyond its core construction offerings, Martin Marietta also produces magnesia-based chemicals, which are utilized in industrial, agricultural, and environmental contexts. The company further supplies dolomitic lime, primarily for steel manufacturing and soil stabilization. Its broader chemical products contribute to areas such as flame retardants, wastewater treatment, and pulp and paper production, among other environmental uses. Established in 1939, the firm's main office is situated in Raleigh, North Carolina.

Address
4123 Parklake Avenue, Raleigh, NC, 27612, US
Market Cap
28.76 billion
Employees
9,600
Industrial Classification
Construction Materials
1 Day
-2.08%
5 Days
-0.99%
1 Month
-6.47%
6 Months
-23.31%
1 Year
-24.75%

$MLM stock is featured in our Congress Trading, and Insider Trades datasets.

→ All Stock Lists

Congress Trading

Recent trades of MLM by members of U.S. Congress

PoliticianTypeTraded
April DelaneyHouse / DSale$250.00K – $500.00KAug 25, 2026
April DelaneyHouse / DPurchase$1.00K – $15.00KAug 19, 2026
Michael T. McCaulHouse / RSale$1.00K – $15.00KOct 27, 2025
Michael T. McCaulHouse / RSale$1.00K – $15.00KJun 16, 2025
Michael T. McCaulHouse / RPurchase$15.00K – $50.00KMar 17, 2025
Daniel Scott SullivanSenate / RSale$1.00K – $15.00KNov 30, 2022
Thomas SuozziHouse / DSale$50.00K – $100.00KNov 7, 2018
Thomas SuozziHouse / DPurchase$50.00K – $100.00KOct 15, 2018

Recently reported changes in MLM holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by MLM's directors and management

Net Shares Purchased by Insiders−1−102025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

MLM Estimated quarterly lobbying spending

Source: U.S. Senate LDA

MLM Revenue by Segment or Geography

$1.95BTotal
SegmentRevenue% of All
Building Materials Business$1.79B92.19%
Specialties$152.00M7.81%

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New MLM patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to MLM from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in MLM

ETFEst. Holding Size
VTIVanguard Morningstar Total Stock Market ETF$992.90M
VOOVanguard S&P 500 ETF$827.58M
VOVanguard Morningstar Mid-Cap ETF$676.06M
IVViShares Core S&P 500 ETF$391.41M
XLBState Street Materials Select Sector SPDR ETF$364.96M
SPYState Street SPDR S&P 500 ETF$357.62M

Estimated from each fund’s disclosed top holdings × AUM

MLM Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

No Insider Score for MLM yet — no open-market insider buys or sells in the last 90 days.

Bull Case vs Bear Case

AI-generated from MLM’s recent data — informational, not investment advice

Generating analysis…

Recent Insider Activity

Buys
0
Sells
0
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.