MLM Martin Marietta Materials
NYSE · SEC CIK 916076 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 281 since 2021-08-24, latest 2026-09-02 17:19
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Niemann Philipp | Dir | — | — |
| Samborski Christopher William | EVP, COO | — | — |
| Schoen George Frederick | EVP, GC, Corp. Sec | — | — |
| Flynn Jason Paul | SVP, CIO | — | — |
| Petro Michael J | SVP, CFO | — | — |
| Foxx Anthony R | Dir | — | — |
| Mack Mary T | Dir | — | — |
| Cardin Robert J | SVP, CAO, Ctrl | — | — |
| Pike Thomas | Dir | — | — |
| Ables Dorothy M | Dir | — | — |
Transactions 329
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-02 17:19 | 2026-09-01 | MLM | Petro Michael J | SVP, CFO | A - Grant | $0.00 | +9,331 | 24.3K | +62% | $0 | |
| 2026-09-02 16:35 | 2026-08-31 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $518.70 | +78 | 5,106 | +2% | +$40.5K | |
| 2026-09-02 16:31 | 2026-08-31 | MLM | Pike Thomas | Dir | A - Grant | $518.70 | +66 | 5,029 | +1% | +$34.2K | |
| 2026-09-02 16:29 | 2026-08-31 | MLM | LYONS MARTIN J | Dir | A - Grant | $518.70 | +68 | 442 | +18% | +$35.3K | |
| 2026-08-25 16:15 | 2026-08-21 | MLM | Niemann Philipp | Dir | A - Grant | $0.00 | +337 | 337 | New | $0 | |
| 2026-08-04 16:23 | 2026-08-03 | MLM | Petro Michael J | SVP, CFO | F - Tax | $542.27 | -368 | 15.0K | -2% | -$199.6K | |
| 2026-06-02 16:17 | 2026-05-29 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $581.64 | +69 | 5,028 | +1% | +$40.1K | |
| 2026-06-02 16:15 | 2026-05-29 | MLM | Pike Thomas | Dir | A - Grant | $581.64 | +59 | 4,963 | +1% | +$34.3K | |
| 2026-06-02 16:14 | 2026-05-29 | MLM | LYONS MARTIN J | Dir | A - Grant | $581.64 | +61 | 374 | +19% | +$35.5K | |
| 2026-05-18 17:40 | 2026-05-14 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $0.00 | +313 | 4,959 | +7% | $0 | |
| 2026-05-18 17:38 | 2026-05-14 | MLM | SLAGER DONALD W | Dir | A - Grant | $0.00 | +313 | 5,064 | +7% | $0 | |
| 2026-05-18 17:37 | 2026-05-14 | MLM | Pike Thomas | Dir | A - Grant | $0.00 | +313 | 4,904 | +7% | $0 | |
| 2026-05-18 17:37 | 2026-05-14 | MLM | PEREZ LAREE E | Dir | A - Grant | $0.00 | +313 | 15.7K | +2% | $0 | |
| 2026-05-18 17:36 | 2026-05-14 | MLM | Mack Mary T | Dir | A - Grant | $0.00 | +313 | 914 | +52% | $0 | |
| 2026-05-18 17:36 | 2026-05-14 | MLM | LYONS MARTIN J | Dir | A - Grant | $0.00 | +313 | 313 | New | $0 | |
| 2026-05-18 17:33 | 2026-05-14 | MLM | Foxx Anthony R | Dir | A - Grant | $0.00 | +313 | 2,615 | +14% | $0 | |
| 2026-05-18 17:31 | 2026-05-14 | MLM | DELLY GAYLA J | Dir | A - Grant | $0.00 | +313 | 313 | New | $0 | |
| 2026-05-18 17:29 | 2026-05-14 | MLM | Ables Dorothy M | Dir | A - Grant | $0.00 | +313 | 4,221 | +8% | $0 | |
| 2026-05-05 16:22 | 2026-05-01 | MLM | Samborski Christopher William | EVP, COO | A - Grant | $0.00 | +8,101 | 21.8K | +59% | $0 | |
| 2026-03-03 | 2026-03-01 | MLM | McCunniff Donald A. | EVP, CHRO | A - Grant | $0.00 | +2,960 | 7,518 | +65% | $0 | |
| 2026-03-03 | 2026-03-01 | MLM | Nye C Howard | COB, Pres, CEO, Dir | A - Grant | $0.00 | +5,919 | 176.0K | +3% | $0 | |
| 2026-03-03 | 2026-03-01 | MLM | Petro Michael J | SVP, CFO | A - Grant | $0.00 | +2,960 | 15.4K | +24% | $0 | |
| 2026-03-03 | 2026-03-01 | MLM | Schoen George Frederick | EVP, GC, Corp. Sec | A - Grant | $0.00 | +23.7K | 23.7K | New | $0 | |
| 2026-03-02 | 2026-02-27 | MLM | Pike Thomas | Dir | A - Grant | $676.57 | +47 | 4,591 | +1% | +$31.8K | |
| 2026-03-02 | 2026-02-27 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $676.57 | +56 | 4,646 | +1% | +$37.9K | |
| 2026-03-02 | 2026-02-27 | MLM | KORALESKI JOHN J | Dir | A - Grant | $676.57 | +69 | 8,822 | +0.8% | +$46.7K | |
| M | 2026-02-25 | 2026-02-23+ | MLM | Flynn Jason Paul | SVP, CIO | F - Tax | $685.52 | -207 | 5,494 | -4% | -$141.9K |
| 2026-02-25 | 2026-02-23 | MLM | McCunniff Donald A. | EVP, CHRO | F - Tax | $683.60 | -192 | 4,558 | -4% | -$131.3K | |
| M | 2026-02-25 | 2026-02-23+ | MLM | Nye C Howard | COB, Pres, CEO, Dir | F - Tax | $688.95 | -3,026 | 170.1K | -2% | -$2.08M |
| M | 2026-02-25 | 2026-02-23+ | MLM | Cardin Robert J | SVP, CAO, Ctrl | F - Tax | $687.97 | -312 | 12.6K | -2% | -$214.6K |
| M | 2026-02-25 | 2026-02-23+ | MLM | Petro Michael J | SVP, CFO | F - Tax | $687.68 | -305 | 12.4K | -2% | -$209.7K |
| M | 2026-02-24 | 2026-02-20 | MLM | Nye C Howard | COB, Pres, CEO, Dir | A - Grant | $141.05 | +8,621 | 166.7K | +5% | +$1.22M |
| M | 2026-02-24 | 2026-02-20 | MLM | Flynn Jason Paul | SVP, CIO | A - Grant | $273.68 | +1,187 | 5,106 | +30% | +$324.9K |
| 2026-02-24 | 2026-02-20 | MLM | McCunniff Donald A. | EVP, CHRO | A - Grant | $0.00 | +1,277 | 4,750 | +37% | $0 | |
| 2026-02-24 | 2026-02-20 | MLM | Cardin Robert J | SVP, CAO, Ctrl | A - Grant | $0.00 | +658 | 12.8K | +5% | $0 | |
| 2026-02-24 | 2026-02-20 | MLM | Petro Michael J | SVP, CFO | A - Grant | $0.00 | +931 | 12.7K | +8% | $0 | |
| 2026-02-19 | 2026-02-17 | MLM | Petro Michael J | SVP, CFO | F - Tax | $666.53 | -758 | 11.8K | -6% | -$505.2K | |
| 2026-02-19 | 2026-02-17 | MLM | Petro Michael J | SVP, CFO | A - Grant | $0.00 | +1,724 | 12.5K | +16% | $0 | |
| 2026-02-19 | 2026-02-17 | MLM | Cardin Robert J | SVP, CAO, Ctrl | A - Grant | $0.00 | +1,869 | 12.9K | +17% | $0 | |
| 2026-02-19 | 2026-02-17 | MLM | Cardin Robert J | SVP, CAO, Ctrl | F - Tax | $666.53 | -822 | 12.1K | -6% | -$547.9K | |
| 2026-02-19 | 2026-02-17 | MLM | Flynn Jason Paul | SVP, CIO | A - Grant | $0.00 | +222 | 4,621 | +5% | $0 | |
| 2026-02-19 | 2026-02-17 | MLM | Flynn Jason Paul | SVP, CIO | F - Tax | $666.53 | -107 | 4,514 | -2% | -$71.3K | |
| 2026-02-19 | 2026-02-17 | MLM | Nye C Howard | COB, Pres, CEO, Dir | A - Grant | $0.00 | +22.4K | 174.2K | +15% | $0 | |
| 2026-02-19 | 2026-02-17 | MLM | Nye C Howard | COB, Pres, CEO, Dir | F - Tax | $666.53 | -9,717 | 164.5K | -6% | -$6.48M | |
| 2025-12-17 | 2025-12-16 | MLM | McCunniff Donald A. | EVP, CHRO | F - Tax | $629.49 | -50 | 3,473 | -1% | -$31.5K | |
| 2025-12-17 | 2025-12-16 | MLM | Nye C Howard | COB, Pres, CEO, Dir | F - Tax | $629.49 | -298 | 151.9K | -0.2% | -$187.6K | |
| 2025-12-17 | 2025-12-16 | MLM | Cardin Robert J | SVP, CAO, Ctrl | F - Tax | $629.49 | -32 | 11.1K | -0.3% | -$20.1K | |
| 2025-12-17 | 2025-12-16 | MLM | BAR ROSELYN R | EVP | F - Tax | $629.49 | -66 | 62.6K | -0.1% | -$41.5K | |
| 2025-12-03 | 2025-12-02 | MLM | BAR ROSELYN R | EVP | G - Gift | $0.00 | -488 | 62.7K | -0.8% | $0 | |
| 2025-12-03 | 2025-12-01 | MLM | BAR ROSELYN R | EVP | F - Tax | $615.25 | -420 | 63.1K | -0.7% | -$258.4K | |
| 2025-12-03 | 2025-12-01 | MLM | Flynn Jason Paul | SVP, CIO | F - Tax | $615.25 | -123 | 4,399 | -3% | -$75.7K | |
| 2025-12-01 | 2025-11-28 | MLM | KORALESKI JOHN J | Dir | A - Grant | $623.24 | +75 | 8,753 | +0.9% | +$46.7K | |
| 2025-12-01 | 2025-11-28 | MLM | Pike Thomas | Dir | A - Grant | $623.24 | +51 | 4,544 | +1% | +$31.8K | |
| 2025-12-01 | 2025-11-28 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $623.24 | +61 | 4,590 | +1% | +$38.0K | |
| 2025-09-02 | 2025-08-29 | MLM | KORALESKI JOHN J | Dir | A - Grant | $616.40 | +76 | 8,678 | +0.9% | +$46.8K | |
| 2025-09-02 | 2025-08-29 | MLM | Pike Thomas | Dir | A - Grant | $616.40 | +51 | 4,493 | +1% | +$31.4K | |
| 2025-09-02 | 2025-08-29 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $616.40 | +61 | 4,529 | +1% | +$37.6K | |
| 2025-08-11 | 2025-08-08 | MLM | PEREZ LAREE E | Dir | S - Sale | $613.32 | -1,038 | 15.4K | -6% | -$636.6K | |
| 2025-07-09 | 2025-07-08 | MLM | Petro Michael J | SVP, CFO | A - Grant | $0.00 | +1,822 | 10.8K | +20% | $0 | |
| 2025-06-03 | 2025-05-30 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $547.55 | +69 | 4,468 | +2% | +$37.8K | |
| 2025-06-03 | 2025-05-30 | MLM | Pike Thomas | Dir | A - Grant | $547.55 | +58 | 4,442 | +1% | +$31.8K | |
| 2025-06-03 | 2025-05-30 | MLM | KORALESKI JOHN J | Dir | A - Grant | $547.55 | +85 | 8,602 | +1.0% | +$46.5K | |
| 2025-05-19 | 2025-05-15 | MLM | Cardin Robert J | SVP, CAO, Interim CFO, Ctrl | A - Grant | $0.00 | +2,869 | 11.1K | +35% | $0 | |
| 2025-05-16 | 2025-05-15 | MLM | Ables Dorothy M | Dir | A - Grant | $552.86 | +308 | 3,908 | +9% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | SLAGER DONALD W | Dir | A - Grant | $552.86 | +308 | 4,751 | +7% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | Pike Thomas | Dir | A - Grant | $552.86 | +308 | 4,384 | +8% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $552.86 | +308 | 4,399 | +8% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | Foxx Anthony R | Dir | A - Grant | $552.86 | +308 | 2,302 | +15% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | COLE SUE W | Dir | A - Grant | $552.86 | +308 | 20.4K | +2% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | PEREZ LAREE E | Dir | A - Grant | $552.86 | +308 | 16.5K | +2% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | Mack Mary T | Dir | A - Grant | $552.86 | +308 | 601 | +105% | +$170.3K | |
| 2025-05-16 | 2025-05-15 | MLM | KORALESKI JOHN J | Dir | A - Grant | $552.86 | +308 | 8,517 | +4% | +$170.3K | |
| D | 2025-03-06 | 2025-03-05 | MLM | McCunniff Donald A. | EVP, CHRO | M - OptEx | $154.58 | +1,332 | 4,855 | +38% | +$205.9K |
| D | 2025-03-06 | 2025-03-05 | MLM | McCunniff Donald A. | EVP, CHRO | S - Sale+OE | $475.00 | -1,332 | 3,523 | -27% | -$632.7K |
| 2025-03-05 | 2025-03-04 | MLM | Petro Michael J | SVP - Strategy, Development | P - Purchase | $454.37 | +550 | 8,985 | +7% | +$249.9K | |
| 2025-03-03 | 2025-02-28 | MLM | KORALESKI JOHN J | Dir | A - Grant | $483.14 | +96 | 8,209 | +1% | +$46.4K | |
| 2025-03-03 | 2025-02-28 | MLM | Pike Thomas | Dir | A - Grant | $483.14 | +65 | 4,076 | +2% | +$31.4K | |
| 2025-03-03 | 2025-02-28 | MLM | WAJSGRAS DAVID C | Dir | A - Grant | $483.14 | +78 | 4,091 | +2% | +$37.7K | |
| 2025-02-25 | 2025-02-21 | MLM | Cardin Robert J | SVP, CAO, Ctrl | A - Grant | $0.00 | +795 | 8,445 | +10% | $0 | |
| 2025-02-25 | 2025-02-24 | MLM | Cardin Robert J | SVP, CAO, Ctrl | F - Tax | $490.64 | -216 | 8,229 | -3% | -$106.0K | |
| 2025-02-25 | 2025-02-21 | MLM | Brooks Oliver W | SVP - Enterprise Excellence | A - Grant | $0.00 | +744 | 5,366 | +16% | $0 | |
| 2025-02-25 | 2025-02-24 | MLM | Brooks Oliver W | SVP - Enterprise Excellence | F - Tax | $490.64 | -188 | 5,178 | -4% | -$92.2K | |
| 2025-02-25 | 2025-02-21 | MLM | KOHN BRADLEY D | SVP, GC, Secy | A - Grant | $0.00 | +981 | 3,625 | +37% | $0 | |
| M | 2025-02-25 | 2025-02-21 | MLM | Nye C Howard | COB, Pres, CEO, Dir | A - Grant | $87.13 | +9,557 | 154.2K | +7% | +$832.7K |
| 2025-02-25 | 2025-02-24 | MLM | Nye C Howard | COB, Pres, CEO, Dir | F - Tax | $490.64 | -2,032 | 152.2K | -1% | -$997.0K | |
| M | 2025-02-25 | 2025-02-21 | MLM | BAR ROSELYN R | EVP | A - Grant | $121.77 | +2,375 | 64.0K | +4% | +$289.2K |
| 2025-02-25 | 2025-02-24 | MLM | BAR ROSELYN R | EVP | F - Tax | $490.64 | -402 | 63.6K | -0.6% | -$197.2K | |
| 2025-02-25 | 2025-02-21 | MLM | Petro Michael J | SVP - Strategy, Development | A - Grant | $0.00 | +733 | 8,635 | +9% | $0 | |
| 2025-02-25 | 2025-02-24 | MLM | Petro Michael J | SVP - Strategy, Development | F - Tax | $490.64 | -200 | 8,435 | -2% | -$98.1K | |
| 2025-02-25 | 2025-02-24 | MLM | Nickolas James AJ | EVP, CFO | F - Tax | $490.64 | -450 | 26.6K | -2% | -$220.8K | |
| 2025-02-25 | 2025-02-21 | MLM | Nickolas James AJ | EVP, CFO | A - Grant | $0.00 | +1,637 | 27.1K | +6% | $0 | |
| 2025-02-25 | 2025-02-21 | MLM | McCunniff Donald A. | EVP, CHRO | A - Grant | $0.00 | +1,543 | 3,523 | +78% | $0 | |
| 2025-02-20 | 2025-02-18 | MLM | Brooks Oliver W | SVP - Enterprise Excellence | A - Grant | $0.00 | +215 | 4,756 | +5% | $0 | |
| 2025-02-20 | 2025-02-18 | MLM | Brooks Oliver W | SVP - Enterprise Excellence | F - Tax | $533.99 | -134 | 4,622 | -3% | -$71.6K | |
| 2025-02-20 | 2025-02-18 | MLM | Nickolas James AJ | EVP, CFO | A - Grant | $0.00 | +4,295 | 27.6K | +18% | $0 | |
| 2025-02-20 | 2025-02-18 | MLM | Nickolas James AJ | EVP, CFO | F - Tax | $533.99 | -2,106 | 25.5K | -8% | -$1.12M | |
| 2025-02-20 | 2025-02-18 | MLM | Petro Michael J | SVP - Strategy, Development | A - Grant | $0.00 | +2,454 | 9,113 | +37% | $0 | |
| 2025-02-20 | 2025-02-18 | MLM | Petro Michael J | SVP - Strategy, Development | F - Tax | $533.99 | -1,211 | 7,902 | -13% | -$646.7K | |
| 2025-02-20 | 2025-02-18 | MLM | Cardin Robert J | SVP, CAO, Ctrl | A - Grant | $0.00 | +2,165 | 8,719 | +33% | $0 | |
| 2025-02-20 | 2025-02-18 | MLM | Cardin Robert J | SVP, CAO, Ctrl | F - Tax | $533.99 | -1,069 | 7,650 | -12% | -$570.8K |
Purchase Sale Sale after option exercise All abbreviations