MLM
Martin Marietta Materials Inc
NYSE: MLM · BASIC MATERIALS · BUILDING MATERIALS
$612.85
-0.19% today
Updated 2026-04-29
Market cap
$37.03B
P/E ratio
37.30
P/S ratio
6.02x
EPS (TTM)
$16.46
Dividend yield
0.53%
52W range
$520 – $710
Volume
0.5M
Martin Marietta Materials Inc (MLM) Insider transactions
Net insider activity
Net buying (96,506 shares)
Buy transactions
60
Sell transactions
40
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-01 | SCHOEN, GEORGE FREDERICK | EVP, GC and Corp. Secretary | Buy | 23,673 | — | — |
| 2026-03-01 | PETRO, MICHAEL J | SVP and CFO | Buy | 2,960 | — | — |
| 2026-03-01 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 5,919 | — | — |
| 2026-03-01 | MCCUNNIFF, DONALD A. | EVP and CHRO | Buy | 2,960 | — | — |
| 2026-02-27 | WAJSGRAS, DAVID C | Director | Buy | 56 | $676.57 | $37887.92 |
| 2026-02-27 | PIKE, THOMAS | Director | Buy | 47 | $676.57 | $31798.79 |
| 2026-02-27 | KORALESKI, JOHN J | Director | Buy | 69 | $676.57 | $46683.33 |
| 2026-02-24 | PETRO, MICHAEL J | SVP and CFO | Sale | 94 | $696.85 | $65503.90 |
| 2026-02-24 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 1,221 | $696.85 | $850853.85 |
| 2026-02-24 | FLYNN, JASON PAUL | SVP and CIO | Sale | 30 | $696.85 | $20905.50 |
| 2026-02-24 | CARDIN, ROBERT J | SVP, Controller & CAO | Sale | 103 | $696.85 | $71775.55 |
| 2026-02-23 | PETRO, MICHAEL J | SVP and CFO | Sale | 211 | $683.60 | $144239.60 |
| 2026-02-23 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 1,805 | $683.60 | $1.23M |
| 2026-02-23 | MCCUNNIFF, DONALD A. | EVP and CHRO | Sale | 192 | $683.60 | $131251.20 |
| 2026-02-23 | FLYNN, JASON PAUL | SVP and CIO | Sale | 177 | $683.60 | $120997.20 |
| 2026-02-23 | CARDIN, ROBERT J | SVP, Controller & CAO | Sale | 209 | $683.60 | $142872.40 |
| 2026-02-20 | PETRO, MICHAEL J | SVP and CFO | Buy | 931 | — | — |
| 2026-02-20 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 6,405 | — | — |
| 2026-02-20 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 2,216 | $548.75 | $1.22M |
| 2026-02-20 | MCCUNNIFF, DONALD A. | EVP and CHRO | Buy | 1,277 | — | — |
| 2026-02-20 | FLYNN, JASON PAUL | SVP and CIO | Buy | 595 | — | — |
| 2026-02-20 | FLYNN, JASON PAUL | SVP and CIO | Buy | 592 | $548.75 | $324860.00 |
| 2026-02-20 | CARDIN, ROBERT J | SVP, Controller & CAO | Buy | 658 | — | — |
| 2026-02-17 | PETRO, MICHAEL J | SVP and CFO | Buy | 1,724 | — | — |
| 2026-02-17 | PETRO, MICHAEL J | SVP and CFO | Sale | 758 | $666.53 | $505229.74 |
| 2026-02-17 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 22,365 | — | — |
| 2026-02-17 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 9,717 | $666.53 | $6.48M |
| 2026-02-17 | FLYNN, JASON PAUL | SVP and CIO | Buy | 222 | — | — |
| 2026-02-17 | FLYNN, JASON PAUL | SVP and CIO | Sale | 107 | $666.53 | $71318.71 |
| 2026-02-17 | CARDIN, ROBERT J | SVP, Controller & CAO | Buy | 1,869 | — | — |
| 2026-02-17 | CARDIN, ROBERT J | SVP, Controller & CAO | Sale | 822 | $666.53 | $547887.66 |
| 2025-12-16 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 298 | $629.49 | $187588.02 |
| 2025-12-16 | MCCUNNIFF, DONALD A. | EVP and CHRO | Sale | 50 | $629.49 | $31474.50 |
| 2025-12-16 | CARDIN, ROBERT J | SVP, Controller & CAO | Sale | 32 | $629.49 | $20143.68 |
| 2025-12-16 | BAR, ROSELYN R | Executive Vice President | Sale | 66 | $629.49 | $41546.34 |
| 2025-12-02 | BAR, ROSELYN R | Executive Vice President | Sale | 488 | — | — |
| 2025-12-01 | FLYNN, JASON PAUL | SVP and CIO | Sale | 123 | $615.25 | $75675.75 |
| 2025-12-01 | BAR, ROSELYN R | Executive Vice President | Sale | 420 | $615.25 | $258405.00 |
| 2025-11-28 | WAJSGRAS, DAVID C | Director | Buy | 61 | $623.24 | $38017.64 |
| 2025-11-28 | PIKE, THOMAS | Director | Buy | 51 | $623.24 | $31785.24 |
| 2025-11-28 | KORALESKI, JOHN J | Director | Buy | 75 | $623.24 | $46743.00 |
| 2025-08-29 | WAJSGRAS, DAVID C | Director | Buy | 61 | $616.40 | $37600.40 |
| 2025-08-29 | PIKE, THOMAS | Director | Buy | 51 | $616.40 | $31436.40 |
| 2025-08-29 | KORALESKI, JOHN J | Director | Buy | 76 | $616.40 | $46846.40 |
| 2025-08-08 | PEREZ, LAREE E | Director | Sale | 1,038 | $613.32 | $636626.16 |
| 2025-07-08 | PETRO, MICHAEL J | SVP and CFO | Buy | 1,822 | — | — |
| 2025-05-30 | WAJSGRAS, DAVID C | Director | Buy | 69 | $547.55 | $37780.95 |
| 2025-05-30 | PIKE, THOMAS | Director | Buy | 58 | $547.55 | $31757.90 |
| 2025-05-30 | KORALESKI, JOHN J | Director | Buy | 85 | $547.55 | $46541.75 |
| 2025-05-15 | WAJSGRAS, DAVID C | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | SLAGER, DONALD W | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | PIKE, THOMAS | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | PEREZ, LAREE E | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | MACK, MARY T | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | KORALESKI, JOHN J | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | FOXX, ANTHONY R | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | COLE, SUE W | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-05-15 | CARDIN, ROBERT J | SVP, Interim CFO, Ctrl & CAO | Buy | 2,869 | — | — |
| 2025-05-15 | ABLES, DOROTHY M | Director | Buy | 308 | $552.86 | $170280.88 |
| 2025-03-05 | MCCUNNIFF, DONALD A. | EVP and CHRO | Sale | 1,332 | — | — |
| 2025-03-05 | MCCUNNIFF, DONALD A. | EVP and CHRO | Buy | 1,332 | $154.58 | $205900.56 |
| 2025-03-04 | PETRO, MICHAEL J | SVP - Strategy and Development | Buy | 550 | $454.37 | $249903.50 |
| 2025-02-28 | WAJSGRAS, DAVID C | Director | Buy | 78 | $483.14 | $37684.92 |
| 2025-02-28 | PIKE, THOMAS | Director | Buy | 65 | $483.14 | $31404.10 |
| 2025-02-28 | KORALESKI, JOHN J | Director | Buy | 96 | $483.14 | $46381.44 |
| 2025-02-24 | PETRO, MICHAEL J | SVP - Strategy and Development | Sale | 200 | $490.64 | $98128.00 |
| 2025-02-24 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 2,032 | $490.64 | $996980.48 |
| 2025-02-24 | NICKOLAS, JAMES AJ | EVP and CFO | Sale | 450 | $490.64 | $220788.00 |
| 2025-02-24 | CARDIN, ROBERT J | Sr. VP, Controller and CAO | Sale | 216 | $490.64 | $105978.24 |
| 2025-02-24 | BROOKS, OLIVER W | SVP - Enterprise Excellence | Sale | 188 | $490.64 | $92240.32 |
| 2025-02-24 | BAR, ROSELYN R | Executive Vice President | Sale | 402 | $490.64 | $197237.28 |
| 2025-02-21 | PETRO, MICHAEL J | SVP - Strategy and Development | Buy | 733 | — | — |
| 2025-02-21 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 7,432 | — | — |
| 2025-02-21 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 2,125 | $391.87 | $832723.75 |
| 2025-02-21 | NICKOLAS, JAMES AJ | EVP and CFO | Buy | 1,637 | — | — |
| 2025-02-21 | MCCUNNIFF, DONALD A. | EVP and CHRO | Buy | 1,543 | — | — |
| 2025-02-21 | KOHN, BRADLEY D | SVP, General Counsel and Secy | Buy | 981 | — | — |
| 2025-02-21 | CARDIN, ROBERT J | Sr. VP, Controller and CAO | Buy | 795 | — | — |
| 2025-02-21 | BROOKS, OLIVER W | SVP - Enterprise Excellence | Buy | 744 | — | — |
| 2025-02-21 | BAR, ROSELYN R | Executive Vice President | Buy | 1,637 | — | — |
| 2025-02-21 | BAR, ROSELYN R | Executive Vice President | Buy | 738 | $391.87 | $289200.06 |
| 2025-02-18 | PETRO, MICHAEL J | SVP - Strategy and Development | Buy | 2,454 | — | — |
| 2025-02-18 | PETRO, MICHAEL J | SVP - Strategy and Development | Sale | 1,211 | $533.99 | $646661.89 |
| 2025-02-18 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Buy | 23,550 | — | — |
| 2025-02-18 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 11,498 | $533.99 | $6.14M |
| 2025-02-18 | NICKOLAS, JAMES AJ | EVP and CFO | Buy | 4,295 | — | — |
| 2025-02-18 | NICKOLAS, JAMES AJ | EVP and CFO | Sale | 2,106 | $533.99 | $1.12M |
| 2025-02-18 | CARDIN, ROBERT J | Sr. VP, Controller and CAO | Buy | 2,165 | — | — |
| 2025-02-18 | CARDIN, ROBERT J | Sr. VP, Controller and CAO | Sale | 1,069 | $533.99 | $570835.31 |
| 2025-02-18 | BROOKS, OLIVER W | SVP - Enterprise Excellence | Buy | 215 | — | — |
| 2025-02-18 | BROOKS, OLIVER W | SVP - Enterprise Excellence | Sale | 134 | $533.99 | $71554.66 |
| 2025-02-18 | BAR, ROSELYN R | Executive Vice President | Buy | 4,362 | — | — |
| 2025-02-18 | BAR, ROSELYN R | Executive Vice President | Sale | 2,126 | $533.99 | $1.14M |
| 2024-12-13 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 267 | $550.92 | $147095.64 |
| 2024-12-13 | BAR, ROSELYN R | EVP, General Counsel and Secy | Sale | 65 | $550.92 | $35809.80 |
| 2024-12-12 | BAR, ROSELYN R | EVP, General Counsel and Secy | Sale | 182 | — | — |
| 2024-12-02 | PETRO, MICHAEL J | SVP - Strategy and Development | Sale | 93 | $593.22 | $55169.46 |
| 2024-12-02 | NYE, C HOWARD | Director, Chairman, Pres & CEO | Sale | 1,776 | $593.22 | $1.05M |
| 2024-12-02 | BAR, ROSELYN R | EVP, General Counsel and Secy | Sale | 364 | $593.22 | $215932.08 |
| 2024-11-29 | WAJSGRAS, DAVID C | Director | Buy | 63 | $600.00 | $37800.00 |