MARTIN MARIETTA MATERIALS INC (MLM)

Latest Insider Confidence Score

2026Q1

49.8
Bearish

Company insider confidence (by quarter)

2015Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Nye C Howard CEO 70,400 Mar 6, 2024
Bar Roselyn R President 64,056 Dec 3, 2025
Lloyd Anne H CFO 59,786 May 24, 2017
Nickolas James AJ CFO 26,643 Feb 25, 2025
Guzzo Dana F. SVP/Controller/CAO 22,027 Feb 26, 2019

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 1, 2026 Mar 3, 2026 Schoen George Frederick EVP, GC and Corp. Secretary Neutral 90.0 +23,673 100.00% ✗ -
Mar 1, 2026 Mar 3, 2026 Petro Michael J CFO Neutral 90.0 +2,960 23.87% ✗ -
Mar 1, 2026 Mar 3, 2026 Nye C Howard CEO Neutral 77.5 +5,919 2.46% ✗ -
Mar 1, 2026 Mar 3, 2026 McCunniff Donald A. EVP and CHRO Neutral 90.0 +2,960 64.94% ✗ -
Mar 3, 2026 Schoen George Frederick EVP, GC and Corp. Secretary Neutral 52.5 - 0.00% ✗ -
Feb 27, 2026 Mar 2, 2026 WAJSGRAS DAVID C Director Neutral 77.5 +56 1.22% ✗ -
Feb 27, 2026 Mar 2, 2026 Pike Thomas Director Neutral 77.5 +47 1.03% ✗ -
Feb 27, 2026 Mar 2, 2026 KORALESKI JOHN J Director Neutral 60.0 +69 0.44% ✗ -
Feb 23, 2026 Feb 25, 2026 Petro Michael J CFO Sell 22.5 -305 -2.40% ✗ $209.7K
Feb 23, 2026 Feb 25, 2026 Nye C Howard CEO Sell 17.5 -3,026 -1.24% ✗ $2.1M
Feb 23, 2026 Feb 25, 2026 McCunniff Donald A. EVP and CHRO Sell 22.5 -192 -4.04% ✗ $131.3K
Feb 23, 2026 Feb 25, 2026 Flynn Jason Paul SVP and CIO Sell 22.5 -207 -3.63% ✗ $141.9K
Feb 23, 2026 Feb 25, 2026 Cardin Robert J SVP, Controller & CAO Sell 22.5 -312 -2.44% ✗ $214.6K
Feb 20, 2026 Feb 24, 2026 Petro Michael J CFO Neutral 85.0 +931 7.91% ✗ -
Feb 20, 2026 Feb 24, 2026 Nye C Howard CEO Neutral 82.5 +8,621 3.67% ✗ -
Feb 20, 2026 Feb 24, 2026 McCunniff Donald A. EVP and CHRO Neutral 90.0 +1,277 36.77% ✗ -
Feb 20, 2026 Feb 24, 2026 Flynn Jason Paul SVP and CIO Neutral 90.0 +1,187 26.30% ✗ -
Feb 20, 2026 Feb 24, 2026 Cardin Robert J SVP, Controller & CAO Neutral 85.0 +658 5.43% ✗ -
Feb 17, 2026 Feb 19, 2026 Petro Michael J CFO Sell 92.5 +966 8.94% ✗ $505.2K
Feb 17, 2026 Feb 19, 2026 Flynn Jason Paul SVP and CIO Sell 87.5 +115 2.61% ✗ $71.3K
Feb 17, 2026 Feb 19, 2026 Nye C Howard CEO Sell 96.3 +12,648 5.69% ✗ $6.5M
Feb 17, 2026 Feb 19, 2026 Cardin Robert J SVP, Controller & CAO Sell 92.5 +1,047 9.46% ✗ $547.9K
Dec 16, 2025 Dec 17, 2025 Nye C Howard CEO Sell 47.5 -298 -0.13% ✗ $187.6K
Dec 16, 2025 Dec 17, 2025 McCunniff Donald A. EVP and CHRO Sell 26.3 -50 -1.42% ✗ $31.5K
Dec 16, 2025 Dec 17, 2025 Cardin Robert J SVP, Controller & CAO Sell 43.8 -32 -0.29% ✗ $20.1K
Dec 16, 2025 Dec 17, 2025 BAR ROSELYN R President Sell 51.3 -66 -0.11% ✗ $41.5K
Dec 1, 2025 Dec 3, 2025 Flynn Jason Paul SVP and CIO Sell 22.5 -123 -2.72% ✗ $75.7K
Dec 1, 2025 Dec 3, 2025 BAR ROSELYN R President Sell 20.0 -908 -1.43% ✗ $258.4K
Nov 28, 2025 Dec 1, 2025 WAJSGRAS DAVID C Director Neutral 77.5 +61 1.35% ✗ -
Nov 28, 2025 Dec 1, 2025 Pike Thomas Director Neutral 77.5 +51 1.14% ✗ -
Nov 28, 2025 Dec 1, 2025 KORALESKI JOHN J Director Neutral 60.0 +75 0.48% ✗ -
Aug 29, 2025 Sep 2, 2025 WAJSGRAS DAVID C Director Neutral 77.5 +61 1.37% ✗ -
Aug 29, 2025 Sep 2, 2025 Pike Thomas Director Neutral 77.5 +51 1.15% ✗ -
Aug 29, 2025 Sep 2, 2025 KORALESKI JOHN J Director Neutral 60.0 +76 0.49% ✗ -
Aug 25, 2025 Flynn Jason Paul SVP and CIO Neutral 52.5 - 0.00% ✗ -
Aug 8, 2025 Aug 11, 2025 PEREZ LAREE E Director Sell 20.0 -1,038 -6.31% ✗ $636.6K
Jul 8, 2025 Jul 9, 2025 Petro Michael J CFO Neutral 90.0 +1,822 20.28% ✗ -
May 30, 2025 Jun 3, 2025 WAJSGRAS DAVID C Director Neutral 77.5 +69 1.57% ✗ -
May 30, 2025 Jun 3, 2025 Pike Thomas Director Neutral 77.5 +58 1.32% ✗ -
May 30, 2025 Jun 3, 2025 KORALESKI JOHN J Director Neutral 67.5 +85 0.55% ✗ -
May 15, 2025 May 19, 2025 Cardin Robert J CFO Neutral 90.0 +2,869 34.86% ✗ -
May 15, 2025 May 16, 2025 WAJSGRAS DAVID C Director Neutral 85.0 +308 7.53% ✗ -
May 15, 2025 May 16, 2025 SLAGER DONALD W Director Neutral 85.0 +308 6.93% ✗ -
May 15, 2025 May 16, 2025 Pike Thomas Director Neutral 85.0 +308 7.56% ✗ -
May 15, 2025 May 16, 2025 PEREZ LAREE E Director Neutral 77.5 +308 1.91% ✗ -
May 15, 2025 May 16, 2025 Mack Mary T Director Neutral 90.0 +308 105.12% ✗ -
May 15, 2025 May 16, 2025 KORALESKI JOHN J Director Neutral 77.5 +308 2.04% ✗ -
May 15, 2025 May 16, 2025 Foxx Anthony R Director Neutral 90.0 +308 15.45% ✗ -
May 15, 2025 May 16, 2025 COLE SUE W Director Neutral 77.5 +308 1.27% ✗ -
May 15, 2025 May 16, 2025 Ables Dorothy M Director Neutral 85.0 +308 8.56% ✗ -
Mar 5, 2025 Mar 6, 2025 McCunniff Donald A. EVP and CHRO Sell 20.0 -1,332 -27.44% ✗ $632.7K
Mar 4, 2025 Mar 5, 2025 Petro Michael J SVP - Strategy and Development Buy 90.0 +550 6.52% ✗ $249.9K
Feb 28, 2025 Mar 3, 2025 WAJSGRAS DAVID C Director Neutral 77.5 +78 1.94% ✗ -
Feb 28, 2025 Mar 3, 2025 Pike Thomas Director Neutral 77.5 +65 1.62% ✗ -
Feb 28, 2025 Mar 3, 2025 KORALESKI JOHN J Director Neutral 67.5 +96 0.64% ✗ -
Feb 21, 2025 Feb 25, 2025 Petro Michael J SVP - Strategy and Development Sell 90.0 +533 6.75% ✗ $98.1K
Feb 21, 2025 Feb 25, 2025 Nye C Howard CEO Sell 90.0 +7,525 3.50% ✗ $997K
Feb 21, 2025 Feb 25, 2025 Nickolas James AJ CFO Sell 87.5 +1,187 4.66% ✗ $220.8K
Feb 21, 2025 Feb 25, 2025 McCunniff Donald A. EVP and CHRO Neutral 90.0 +1,543 77.93% ✗ -
Feb 21, 2025 Feb 25, 2025 KOHN BRADLEY D SVP, General Counsel and Secy Neutral 90.0 +981 37.10% ✗ -
Feb 21, 2025 Feb 25, 2025 Cardin Robert J Sr. VP, Controller and CAO Sell 90.0 +579 7.57% ✗ $106K
Feb 21, 2025 Feb 25, 2025 Brooks Oliver W SVP - Enterprise Excellence Sell 95.0 +556 12.03% ✗ $92.2K
Feb 21, 2025 Feb 25, 2025 BAR ROSELYN R President Sell 87.5 +1,973 3.20% ✗ $197.2K
Feb 25, 2025 KOHN BRADLEY D SVP, General Counsel and Secy Neutral 52.5 - 0.00% ✗ -
Feb 18, 2025 Feb 20, 2025 Petro Michael J SVP - Strategy and Development Sell 97.5 +1,243 18.67% ✗ $646.7K
Feb 18, 2025 Feb 20, 2025 Nye C Howard CEO Sell 96.3 +12,052 5.94% ✗ $6.1M
Feb 18, 2025 Feb 20, 2025 Nickolas James AJ CFO Sell 95.0 +2,189 9.41% ✗ $1.1M
Feb 18, 2025 Feb 20, 2025 Cardin Robert J Sr. VP, Controller and CAO Sell 97.5 +1,096 16.72% ✗ $570.8K
Feb 18, 2025 Feb 20, 2025 Brooks Oliver W SVP - Enterprise Excellence Sell 82.5 +81 1.78% ✗ $71.6K
Feb 18, 2025 Feb 20, 2025 BAR ROSELYN R President Sell 92.5 +2,236 3.77% ✗ $1.1M
Dec 13, 2024 Dec 16, 2024 Nye C Howard CEO Sell 47.5 -267 -0.13% ✗ $147.1K
Dec 12, 2024 Dec 16, 2024 BAR ROSELYN R EVP, General Counsel and Secy Sell 43.8 -247 -0.41% ✗ $35.8K
Dec 2, 2024 Dec 3, 2024 Petro Michael J SVP - Strategy and Development Sell 22.5 -93 -1.38% ✗ $55.2K
Dec 2, 2024 Dec 3, 2024 Nye C Howard CEO Sell 27.5 -1,776 -0.87% ✗ $1.1M
Dec 2, 2024 Dec 3, 2024 BAR ROSELYN R EVP, General Counsel and Secy Sell 32.5 -364 -0.61% ✗ $215.9K
Nov 29, 2024 Dec 3, 2024 WAJSGRAS DAVID C Director Neutral 77.5 +63 1.59% ✗ -
Nov 29, 2024 Dec 3, 2024 Pike Thomas Director Neutral 77.5 +53 1.34% ✗ -
Nov 29, 2024 Dec 3, 2024 KORALESKI JOHN J Director Neutral 67.5 +78 0.52% ✗ -
Sep 4, 2024 McCunniff Donald A. EVP and CHRO Neutral 52.5 - 0.00% ✗ -
Aug 30, 2024 Sep 3, 2024 WAJSGRAS DAVID C Director Neutral 77.5 +71 1.83% ✗ -
Aug 30, 2024 Sep 3, 2024 Pike Thomas Director Neutral 77.5 +59 1.51% ✗ -
Aug 30, 2024 Sep 3, 2024 KORALESKI JOHN J Director Neutral 67.5 +87 0.59% ✗ -
May 31, 2024 Jun 4, 2024 WAJSGRAS DAVID C Director Neutral 77.5 +66 1.73% ✗ -
May 31, 2024 Jun 4, 2024 Pike Thomas Director Neutral 77.5 +55 1.43% ✗ -
May 31, 2024 Jun 4, 2024 KORALESKI JOHN J Director Neutral 67.5 +81 0.55% ✗ -
May 16, 2024 May 17, 2024 WAJSGRAS DAVID C Director Neutral 85.0 +293 8.32% ✗ -
May 16, 2024 May 17, 2024 SLAGER DONALD W Director Neutral 85.0 +293 7.06% ✗ -
May 16, 2024 May 17, 2024 Pike Thomas Director Neutral 85.0 +293 8.25% ✗ -
May 16, 2024 May 17, 2024 PEREZ LAREE E Director Neutral 77.5 +293 1.85% ✗ -
May 16, 2024 May 17, 2024 Mack Mary T Director Neutral 90.0 +293 100.00% ✗ -
May 16, 2024 May 17, 2024 KORALESKI JOHN J Director Neutral 77.5 +293 2.02% ✗ -
May 16, 2024 May 17, 2024 Foxx Anthony R Director Neutral 90.0 +293 17.23% ✗ -
May 16, 2024 May 17, 2024 COLE SUE W Director Neutral 77.5 +293 1.22% ✗ -
May 16, 2024 May 17, 2024 Ables Dorothy M Director Neutral 85.0 +293 8.86% ✗ -
May 16, 2024 Mack Mary T Director Neutral 52.5 - 0.00% ✗ -
May 9, 2024 May 10, 2024 Quillen Michael J Director Neutral 27.5 -1,671 -7.27% ✗ -
Mar 14, 2024 Mar 15, 2024 BAR ROSELYN R EVP, General Counsel and Secy Sell 16.3 -10,000 -14.29% ✗ $6M
Mar 12, 2024 Mar 12, 2024 Cardin Robert J Sr. VP, Controller and CAO Sell 20.0 -546 -7.69% ✗ $325.3K
Mar 5, 2024 Mar 6, 2024 Nye C Howard CEO Sell 15.0 -20,000 -8.89% ✗ $12.1M
Feb 29, 2024 Mar 4, 2024 WAJSGRAS DAVID C Director Neutral 77.5 +63 1.82% ✗ -