LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
MLMCIK 0000916076

MARTIN MARIETTA MATERIALS INC

54 transactions by 19 insiders, from December 1, 2025 to September 1, 2026.

Transactions
5419 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
Nonenobody sold on the open market
Net
+$0net buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Michael J. PetroCFO8———
C. Howard NyeCEO7———
Jason Paul FlynnSVP6———
Robert J. CardinCAO6———
Thomas PikeDir4———
David C. WajsgrasDir4———
Donald A. McCunniffEVP3———
Martin J. LyonsDir3———
Roselyn R. BarPres3———
Christopher William SamborskiCOO1———
Philipp NiemannDir1———
John J. KoraleskiDir1———
Gayla J. DellyDir1———
Laree E. PerezDir1———
Donald W. SlagerDir1———
Dorothy M. AblesDir1———
Mary T. MackDir1———
Anthony R. FoxxDir1———
George Frederick SchoenGC1———

All transactions

54 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Michael J. PetroCFOSep 1A9,331$0.00—
David C. WajsgrasDirAug 31A78$518.70$40K
Thomas PikeDirAug 31A66$518.70$34K
Martin J. LyonsDirAug 31A68$518.70$35K
Philipp NiemannDirAug 21A337$0.00—
Michael J. PetroCFOAug 3F368$542.27$200K
David C. WajsgrasDirMay 29A69$581.64$40K
Thomas PikeDirMay 29A59$581.64$34K
Martin J. LyonsDirMay 29A61$581.64$35K
David C. WajsgrasDirMay 14A313$0.00—
Donald W. SlagerDirMay 14A313$0.00—
Thomas PikeDirMay 14A313$0.00—
Laree E. PerezDirMay 14A313$0.00—
Mary T. MackDirMay 14A313$0.00—
Martin J. LyonsDirMay 14A313$0.00—
Anthony R. FoxxDirMay 14A313$0.00—
Gayla J. DellyDirMay 14A313$0.00—
Dorothy M. AblesDirMay 14A313$0.00—
Christopher William SamborskiCOOMay 1A8,101$0.00—
George Frederick SchoenGCMar 1A23,673$0.00—
Michael J. PetroCFOMar 1A2,960$0.00—
C. Howard NyeCEOMar 1A5,919$0.00—
Donald A. McCunniffEVPMar 1A2,960$0.00—
David C. WajsgrasDirFeb 27A56$676.57$38K
Thomas PikeDirFeb 27A47$676.57$32K
John J. KoraleskiDirFeb 27A69$676.57$47K
Michael J. PetroCFOFeb 24F94$696.85$66K
Michael J. PetroCFOFeb 23F211$683.60$144K
C. Howard NyeCEOFeb 24F1,221$696.85$851K
C. Howard NyeCEOFeb 23F1,805$683.60$1.2M
Donald A. McCunniffEVPFeb 23F192$683.60$131K
Jason Paul FlynnSVPFeb 24F30$696.85$21K
Jason Paul FlynnSVPFeb 23F177$683.60$121K
Robert J. CardinCAOFeb 24F103$696.85$72K
Robert J. CardinCAOFeb 23F209$683.60$143K
Michael J. PetroCFOFeb 20A931$0.00—
C. Howard NyeCEOFeb 20A6,405$0.00—
C. Howard NyeCEOFeb 20A2,216$548.75$1.2M
Donald A. McCunniffEVPFeb 20A1,277$0.00—
Jason Paul FlynnSVPFeb 20A595$0.00—
Jason Paul FlynnSVPFeb 20A592$548.75$325K
Robert J. CardinCAOFeb 20A658$0.00—
Michael J. PetroCFOFeb 17F758$666.53$505K
Michael J. PetroCFOFeb 17A1,724$0.00—
C. Howard NyeCEOFeb 17F9,717$666.53$6.5M
C. Howard NyeCEOFeb 17A22,365$0.00—
Jason Paul FlynnSVPFeb 17F107$666.53$71K
Jason Paul FlynnSVPFeb 17A222$0.00—
Robert J. CardinCAOFeb 17F822$666.53$548K
Robert J. CardinCAOFeb 17A1,869$0.00—
Robert J. CardinCAODec 16F32$629.49$20K
Roselyn R. BarPresDec 16F66$629.49$42K
Roselyn R. BarPresDec 2G488$0.00—
Roselyn R. BarPresDec 1F420$615.25$258K