MARTIN MARIETTA MATERIALS INC

MLM
Exchange
NYSE
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK
0000916076

Price chart

Open-market purchases and sales by MLM insiders, newest first.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Aug 11, 2025Aug 8, 2025PEREZ LAREE EDirectorSSaleCommon Stock−1.04K$613.32−$636.63K15.42K−6.3%SEC
Mar 6, 2025Mar 5, 2025McCunniff Donald A.EVP and CHROSSaleCommon Stock−1.33K$475.00−$632.7K3.52K−27.4%SEC
Mar 5, 2025Mar 4, 2025Petro Michael JSVP - Strategy and DevelopmentPPurchaseCommon Stock+550$454.37+$249.9K8.98K+6.5%SEC
Mar 15, 2024Mar 14, 2024BAR ROSELYN REVP, General Counsel and SecySSaleCommon Stock−10K$603.29−$6.03M59.97K−14.3%SEC
Mar 6, 2024Mar 5, 2024Nye C HowardChairman, Pres & CEOSSaleCommon Stock−15K$604.26−$9.06M134.64K−10.0%SEC

The largest institutional positions in MLM at the end of Q2 2026.

Institutions holding MLM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.4,692,446$2.71B0.04%+6,689+0.1%Added
VANGUARD CAPITAL MANAGEMENT LLC3,929,705$2.27B0.05%+12,322+0.3%Added
VANGUARD PORTFOLIO MANAGEMENT LLC3,197,395$1.84B0.08%+36,951+1.2%Added
STATE STREET CORP3,159,639$1.82B0.05%+282,071+9.8%Added
BANK OF AMERICA CORP /DE/2,446,762$1.41B0.09%+46,983+2.0%Added