Martin Marietta Materials (MLM) Insider Trading & Ownership $505.03 -4.22 (-0.83%) As of 03:17 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Martin Marietta Materials (NYSE:MLM) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.68%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$249,903.50Number OfInsiders Selling(Last 12 Months)1Amount OfInsider Selling(Last 12 Months)$632,700.00 Get MLM Insider Trade Alerts Want to know when executives and insiders are buying or selling Martin Marietta Materials stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address MLM Insider Buying and Selling by Quarter Martin Marietta Materials Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails3/5/2025Donald A MccunniffEVPSell1,332$475.00$632,700.00 3/4/2025Michael J PetroSVPBuy550$454.37$249,903.50 (Data available from 1/1/2013 forward) MLM Insider Trading Activity - Frequently Asked Questions Who is on Martin Marietta Materials's Insider Roster? The list of insiders at Martin Marietta Materials includes C Howard Nye, Craig M Latorre, Donald A Mccunniff, John P Mohr, Michael J Petro, Roselyn R Bar, and Sue W Cole. Learn more on insiders at MLM. What percentage of Martin Marietta Materials stock is owned by insiders? 0.68% of Martin Marietta Materials stock is owned by insiders. Learn more on MLM's insider holdings. Which Martin Marietta Materials insiders have been buying company stock? The following insider purchased MLM shares in the last 24 months: Michael J Petro ($249,903.50). How much insider buying is happening at Martin Marietta Materials? Insiders have purchased a total of 550 MLM shares in the last 24 months for a total of $249,903.50 bought. Which Martin Marietta Materials insiders have been selling company stock? The following insiders have sold MLM shares in the last 24 months: C Howard Nye ($9,063,900.00), Craig M Latorre ($1,058,414.12), Donald A Mccunniff ($632,700.00), Roselyn R Bar ($6,032,900.00), and Sue W Cole ($936,959.52). How much insider selling is happening at Martin Marietta Materials? Insiders have sold a total of 30,490 Martin Marietta Materials shares in the last 24 months for a total of $17,724,873.64 sold. Martin Marietta Materials Key ExecutivesMr. C. Howard Nye (Age 61)Chairman, CEO & President Compensation: $4.78MMr. James A. J. Nickolas (Age 53)Executive VP & CFO Compensation: $2.41MMr. Robert J. Cardin (Age 61)Senior VP, Controller & Chief Accounting Officer Compensation: $1.39MMs. Roselyn R. Bar (Age 65)Executive VP, General Counsel & Corporate Secretary Compensation: $1.93MMr. Michael J. Petro (Age 40)Senior Vice President of Strategy & Development Compensation: $1.32M1 recent tradesSuzanne OsbergVice President of Investor RelationsMr. Kirk LightPresident of Cement & Southwest Ready MixOliver W. Brooks (Age 38)Senior Vice President of Enterprise Excellence Ron KopplinEast Division PresidentAbbott LawrenceWest Division President More Insider Trading Tools from MarketBeat Related Companies CRH Insider Selling Vulcan Materials Insider Selling James Hardie Industries Insider Selling Eagle Materials Insider Selling Fortune Brands Innovations Insider Selling Skyline Champion Insider Selling Arcosa Insider Selling Tecnoglass Insider Selling Crane NXT Insider Selling United States Lime & Minerals Insider Selling Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Insider Buying in This Stock Reiterates Analysts Bullish OutlookBeware of BigBear.ai: Insiders Are Selling—Should You?XPO Buying $50 Million of Its Own Stock: Here's Why Top 3 Large Cap Stocks Insiders Bought in Q1: Buy, Sell, or HoldJoby Aviation: Operational Momentum vs. Market Sentiment This page (NYSE:MLM) was last updated on 4/25/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredFeds Just Admitted It—They Can Take Your CashHere’s the cold truth: If your money is sitting idle in a bank account, it’s vulnerable. 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