MLM · Martin Marietta Materials Inc. Common Stock
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| C. Howard Nye Chairman, Pres & CEO | ▲ Buy | Grant | 176,038 Shares held | 3/1/2026 | View profile |
| Roselyn R. Bar EVP, General Counsel and Secy | ▼ Sell | Tax Withholding | 62,594 Shares held | 12/16/2025 | View profile |
| James AJ Nickolas SVP and CFO | ▼ Sell | Tax Withholding | 26,643 Shares held | 2/24/2025 | View profile |
| George Frederick Schoen EVP, GC and Corp. Secretary | ▲ Buy | Grant | 23,673 Shares held | 3/1/2026 | View profile |
| Christopher William Samborski EVP, COO | ▲ Buy | Grant | 21,762 Shares held | 5/1/2026 | View profile |
| Quillen Michael J Director | ▼ Sell | Gift | 21,306 Shares held | 5/9/2024 | View profile |
| COLE SUE W Director | ▲ Buy | Grant | 20,394 Shares held | 5/15/2025 | View profile |
| Laree E. Perez Director | ▲ Buy | Grant | 15,730 Shares held | 5/14/2026 | View profile |
| Michael J. Petro SVP - Strategy and Development | ▼ Sell | Tax Withholding | 14,991 Shares held | 8/3/2026 | View profile |
| Mohr John P SVP - CIO | ▼ Sell | Tax Withholding | 14,974 Shares held | 12/1/2023 | View profile |
| Robert J. Cardin Sr. VP, Controller and CAO | ▼ Sell | Tax Withholding | 12,459 Shares held | 2/24/2026 | View profile |
| John J. Koraleski Director | ▲ Buy | Grant | 8,822 Shares held | 2/27/2026 | View profile |
| LaTorre Craig M Sr. VP, CHRO | ▼ Sell | Tax Withholding | 8,634 Shares held | 12/1/2023 | View profile |
| Donald A. McCunniff EVP and CHRO | ▲ Buy | Grant | 7,518 Shares held | 3/1/2026 | View profile |
| Jason Paul Flynn SVP and CIO | ▼ Sell | Tax Withholding | 5,494 Shares held | 2/24/2026 | View profile |
| Davis Smith W Director | ▲ Buy | Grant | 5,255 Shares held | 2/28/2023 | View profile |
| Brooks Oliver W SVP - Enterprise Excellence | ▼ Sell | Tax Withholding | 5,178 Shares held | 2/24/2025 | View profile |
| Donald W. Slager Director | ▲ Buy | Grant | 5,064 Shares held | 5/14/2026 | View profile |
| David C. Wajsgras Director | ▲ Buy | Grant | 5,028 Shares held | 5/29/2026 | View profile |
| Thomas Pike Chief Executive Officer | ▲ Buy | Grant | 4,963 Shares held | 5/29/2026 | View profile |
| Bennett Kelly Gean Sr VP, Human Resources | ▼ Sell | Tax Withholding | 4,454 Shares held | 2/26/2024 | View profile |
| Dorothy M. Ables Director | ▲ Buy | Grant | 4,221 Shares held | 5/14/2026 | View profile |
| KOHN BRADLEY D SVP, General Counsel and Secy | ▲ Buy | Grant | 3,625 Shares held | 2/21/2025 | View profile |
| Anthony R. Foxx Director | ▲ Buy | Grant | 2,615 Shares held | 5/14/2026 | View profile |
| Mary T. Mack Sr. Executive Vice President | ▲ Buy | Grant | 914 Shares held | 5/14/2026 | View profile |
| Martin J. Lyons President & CEO | ▲ Buy | Grant | 374 Shares held | 5/29/2026 | View profile |
| Gayla J. Delly Director | ▲ Buy | Grant | 313 Shares held | 5/14/2026 | View profile |
Transaction History
| Michael J. Petro | ▼ Sell | Tax Withholding | 368 | $200K | 8/3/2026 |
| David C. Wajsgras | ▲ Buy | Grant | 69 | $40K | 5/29/2026 |
| Thomas Pike | ▲ Buy | Grant | 59 | $34K | 5/29/2026 |
| Martin J. Lyons | ▲ Buy | Grant | 61 | $35K | 5/29/2026 |
| David C. Wajsgras | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Donald W. Slager | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Thomas Pike | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Laree E. Perez | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Mary T. Mack | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Martin J. Lyons | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Anthony R. Foxx | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Gayla J. Delly | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Dorothy M. Ables | ▲ Buy | Grant | 313 | $0 | 5/14/2026 |
| Christopher William Samborski | ▲ Buy | Grant | 8,101 | $0 | 5/1/2026 |
| George Frederick Schoen | ▲ Buy | Grant | 23,673 | $0 | 3/1/2026 |
| Michael J. Petro | ▲ Buy | Grant | 2,960 | $0 | 3/1/2026 |
| C. Howard Nye | ▲ Buy | Grant | 5,919 | $0 | 3/1/2026 |
| Donald A. McCunniff | ▲ Buy | Grant | 2,960 | $0 | 3/1/2026 |
| David C. Wajsgras | ▲ Buy | Grant | 56 | $38K | 2/27/2026 |
| Thomas Pike | ▲ Buy | Grant | 47 | $32K | 2/27/2026 |
| John J. Koraleski | ▲ Buy | Grant | 69 | $47K | 2/27/2026 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 94 | $66K | 2/24/2026 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 1,221 | $851K | 2/24/2026 |
| Jason Paul Flynn | ▼ Sell | Tax Withholding | 30 | $21K | 2/24/2026 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 103 | $72K | 2/24/2026 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 211 | $144K | 2/23/2026 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 1,805 | $1.2M | 2/23/2026 |
| Donald A. McCunniff | ▼ Sell | Tax Withholding | 192 | $131K | 2/23/2026 |
| Jason Paul Flynn | ▼ Sell | Tax Withholding | 177 | $121K | 2/23/2026 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 209 | $143K | 2/23/2026 |
| Michael J. Petro | ▲ Buy | Grant | 931 | $0 | 2/20/2026 |
| C. Howard Nye | ▲ Buy | Grant | 2,216 | $1.2M | 2/20/2026 |
| C. Howard Nye | ▲ Buy | Grant | 6,405 | $0 | 2/20/2026 |
| Donald A. McCunniff | ▲ Buy | Grant | 1,277 | $0 | 2/20/2026 |
| Jason Paul Flynn | ▲ Buy | Grant | 592 | $325K | 2/20/2026 |
| Jason Paul Flynn | ▲ Buy | Grant | 595 | $0 | 2/20/2026 |
| Robert J. Cardin | ▲ Buy | Grant | 658 | $0 | 2/20/2026 |
| Michael J. Petro | ▲ Buy | Grant | 1,724 | $0 | 2/17/2026 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 758 | $505K | 2/17/2026 |
| Jason Paul Flynn | ▲ Buy | Grant | 222 | $0 | 2/17/2026 |
| Jason Paul Flynn | ▼ Sell | Tax Withholding | 107 | $71K | 2/17/2026 |
| C. Howard Nye | ▲ Buy | Grant | 22,365 | $0 | 2/17/2026 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 9,717 | $6.5M | 2/17/2026 |
| Robert J. Cardin | ▲ Buy | Grant | 1,869 | $0 | 2/17/2026 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 822 | $548K | 2/17/2026 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 298 | $188K | 12/16/2025 |
| Donald A. McCunniff | ▼ Sell | Tax Withholding | 50 | $31K | 12/16/2025 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 32 | $20K | 12/16/2025 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 66 | $42K | 12/16/2025 |
| Roselyn R. Bar | ▼ Sell | Gift | 488 | $0 | 12/2/2025 |
| Jason Paul Flynn | ▼ Sell | Tax Withholding | 123 | $76K | 12/1/2025 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 420 | $258K | 12/1/2025 |
| David C. Wajsgras | ▲ Buy | Grant | 61 | $38K | 11/28/2025 |
| John J. Koraleski | ▲ Buy | Grant | 75 | $47K | 11/28/2025 |
| Thomas Pike | ▲ Buy | Grant | 51 | $32K | 11/28/2025 |
| David C. Wajsgras | ▲ Buy | Grant | 61 | $38K | 8/29/2025 |
| Thomas Pike | ▲ Buy | Grant | 51 | $31K | 8/29/2025 |
| John J. Koraleski | ▲ Buy | Grant | 76 | $47K | 8/29/2025 |
| Laree E. Perez | ▼ Sell | Open Market | 1,038 | $637K | 8/8/2025 |
| Michael J. Petro | ▲ Buy | Grant | 1,822 | $0 | 7/8/2025 |
| David C. Wajsgras | ▲ Buy | Grant | 69 | $38K | 5/30/2025 |
| Thomas Pike | ▲ Buy | Grant | 58 | $32K | 5/30/2025 |
| John J. Koraleski | ▲ Buy | Grant | 85 | $47K | 5/30/2025 |
| Robert J. Cardin | ▲ Buy | Grant | 2,869 | $0 | 5/15/2025 |
| David C. Wajsgras | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Donald W. Slager | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Thomas Pike | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Laree E. Perez | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Mary T. Mack | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| John J. Koraleski | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Anthony R. Foxx | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| COLE SUE W | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Dorothy M. Ables | ▲ Buy | Grant | 308 | $170K | 5/15/2025 |
| Donald A. McCunniff | ▲ Buy | Option Exercise | 1,332 | $206K | 3/5/2025 |
| Donald A. McCunniff | ▼ Sell | Open Market | 1,332 | $633K | 3/5/2025 |
| Michael J. Petro | ▲ Buy | Open Market | 550 | $250K | 3/4/2025 |
| David C. Wajsgras | ▲ Buy | Grant | 78 | $38K | 2/28/2025 |
| Thomas Pike | ▲ Buy | Grant | 65 | $31K | 2/28/2025 |
| John J. Koraleski | ▲ Buy | Grant | 96 | $46K | 2/28/2025 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 200 | $98K | 2/24/2025 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 2,032 | $997K | 2/24/2025 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 450 | $221K | 2/24/2025 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 216 | $106K | 2/24/2025 |
| Brooks Oliver W | ▼ Sell | Tax Withholding | 188 | $92K | 2/24/2025 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 402 | $197K | 2/24/2025 |
| Michael J. Petro | ▲ Buy | Grant | 733 | $0 | 2/21/2025 |
| C. Howard Nye | ▲ Buy | Grant | 2,125 | $833K | 2/21/2025 |
| C. Howard Nye | ▲ Buy | Grant | 7,432 | $0 | 2/21/2025 |
| James AJ Nickolas | ▲ Buy | Grant | 1,637 | $0 | 2/21/2025 |
| Donald A. McCunniff | ▲ Buy | Grant | 1,543 | $0 | 2/21/2025 |
| KOHN BRADLEY D | ▲ Buy | Grant | 981 | $0 | 2/21/2025 |
| Robert J. Cardin | ▲ Buy | Grant | 795 | $0 | 2/21/2025 |
| Brooks Oliver W | ▲ Buy | Grant | 744 | $0 | 2/21/2025 |
| Roselyn R. Bar | ▲ Buy | Grant | 738 | $289K | 2/21/2025 |
| Roselyn R. Bar | ▲ Buy | Grant | 1,637 | $0 | 2/21/2025 |
| Michael J. Petro | ▲ Buy | Grant | 2,454 | $0 | 2/18/2025 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 1,211 | $647K | 2/18/2025 |
| C. Howard Nye | ▲ Buy | Grant | 23,550 | $0 | 2/18/2025 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 11,498 | $6.1M | 2/18/2025 |
| James AJ Nickolas | ▲ Buy | Grant | 4,295 | $0 | 2/18/2025 |
| Robert J. Cardin | ▲ Buy | Grant | 2,165 | $0 | 2/18/2025 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 1,069 | $571K | 2/18/2025 |
| Brooks Oliver W | ▲ Buy | Grant | 215 | $0 | 2/18/2025 |
| Brooks Oliver W | ▼ Sell | Tax Withholding | 134 | $72K | 2/18/2025 |
| Roselyn R. Bar | ▲ Buy | Grant | 4,362 | $0 | 2/18/2025 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 2,126 | $1.1M | 2/18/2025 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 2,106 | $1.1M | 2/18/2025 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 267 | $147K | 12/13/2024 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 65 | $36K | 12/13/2024 |
| Roselyn R. Bar | ▼ Sell | Gift | 182 | $0 | 12/12/2024 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 93 | $55K | 12/2/2024 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 1,776 | $1.1M | 12/2/2024 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 364 | $216K | 12/2/2024 |
| David C. Wajsgras | ▲ Buy | Grant | 63 | $38K | 11/29/2024 |
| Thomas Pike | ▲ Buy | Grant | 53 | $32K | 11/29/2024 |
| John J. Koraleski | ▲ Buy | Grant | 78 | $47K | 11/29/2024 |
| David C. Wajsgras | ▲ Buy | Grant | 71 | $38K | 8/30/2024 |
| Thomas Pike | ▲ Buy | Grant | 59 | $32K | 8/30/2024 |
| John J. Koraleski | ▲ Buy | Grant | 87 | $46K | 8/30/2024 |
| David C. Wajsgras | ▲ Buy | Grant | 66 | $38K | 5/31/2024 |
| Thomas Pike | ▲ Buy | Grant | 55 | $32K | 5/31/2024 |
| John J. Koraleski | ▲ Buy | Grant | 81 | $46K | 5/31/2024 |
| David C. Wajsgras | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Donald W. Slager | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Thomas Pike | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Laree E. Perez | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Mary T. Mack | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| John J. Koraleski | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Anthony R. Foxx | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| COLE SUE W | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Dorothy M. Ables | ▲ Buy | Grant | 293 | $170K | 5/16/2024 |
| Quillen Michael J | ▼ Sell | Gift | 1,671 | $0 | 5/9/2024 |
| Roselyn R. Bar | ▼ Sell | Open Market | 10,000 | $6.0M | 3/14/2024 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 546 | $325K | 3/12/2024 |
| C. Howard Nye | ▼ Sell | Open Market | 15,000 | $9.1M | 3/5/2024 |
| C. Howard Nye | ▼ Sell | Open Market | 5,000 | $3.0M | 3/5/2024 |
| David C. Wajsgras | ▲ Buy | Grant | 63 | $36K | 2/29/2024 |
| Quillen Michael J | ▲ Buy | Grant | 30 | $17K | 2/29/2024 |
| Thomas Pike | ▲ Buy | Grant | 52 | $30K | 2/29/2024 |
| John J. Koraleski | ▲ Buy | Grant | 76 | $44K | 2/29/2024 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 96 | $53K | 2/26/2024 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 1,236 | $684K | 2/26/2024 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 218 | $121K | 2/26/2024 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 104 | $58K | 2/26/2024 |
| Brooks Oliver W | ▼ Sell | Tax Withholding | 88 | $49K | 2/26/2024 |
| Bennett Kelly Gean | ▼ Sell | Tax Withholding | 115 | $64K | 2/26/2024 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 195 | $108K | 2/26/2024 |
| Michael J. Petro | ▲ Buy | Grant | 714 | $0 | 2/23/2024 |
| C. Howard Nye | ▲ Buy | Grant | 3,373 | $1.5M | 2/23/2024 |
| C. Howard Nye | ▲ Buy | Grant | 6,633 | $0 | 2/23/2024 |
| James AJ Nickolas | ▲ Buy | Grant | 1,594 | $0 | 2/23/2024 |
| Robert J. Cardin | ▲ Buy | Grant | 774 | $0 | 2/23/2024 |
| Brooks Oliver W | ▲ Buy | Grant | 685 | $0 | 2/23/2024 |
| Bennett Kelly Gean | ▲ Buy | Grant | 286 | $150K | 2/23/2024 |
| Bennett Kelly Gean | ▲ Buy | Grant | 687 | $361K | 2/23/2024 |
| Roselyn R. Bar | ▲ Buy | Grant | 1,174 | $515K | 2/23/2024 |
| Roselyn R. Bar | ▲ Buy | Grant | 1,594 | $0 | 2/23/2024 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 405 | $217K | 2/21/2024 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 12,379 | $6.6M | 2/21/2024 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 1,967 | $1.1M | 2/21/2024 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 754 | $404K | 2/21/2024 |
| Brooks Oliver W | ▼ Sell | Tax Withholding | 120 | $64K | 2/21/2024 |
| Bennett Kelly Gean | ▼ Sell | Tax Withholding | 152 | $82K | 2/21/2024 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 2,050 | $1.1M | 2/21/2024 |
| Michael J. Petro | ▼ Sell | Tax Withholding | 250 | $133K | 2/20/2024 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 2,619 | $1.4M | 2/20/2024 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 453 | $242K | 2/20/2024 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 208 | $111K | 2/20/2024 |
| Bennett Kelly Gean | ▼ Sell | Tax Withholding | 87 | $46K | 2/20/2024 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 463 | $247K | 2/20/2024 |
| Brooks Oliver W | ▼ Sell | Tax Withholding | 67 | $36K | 2/20/2024 |
| COLE SUE W | ▼ Sell | Open Market | 881 | $481K | 2/16/2024 |
| COLE SUE W | ▼ Sell | Open Market | 843 | $456K | 2/16/2024 |
| C. Howard Nye | ▼ Sell | Tax Withholding | 2,720 | $1.3M | 12/1/2023 |
| James AJ Nickolas | ▼ Sell | Tax Withholding | 263 | $123K | 12/1/2023 |
| Mohr John P | ▼ Sell | Tax Withholding | 177 | $83K | 12/1/2023 |
| LaTorre Craig M | ▼ Sell | Tax Withholding | 228 | $107K | 12/1/2023 |
| Robert J. Cardin | ▼ Sell | Tax Withholding | 116 | $54K | 12/1/2023 |
| Bennett Kelly Gean | ▼ Sell | Tax Withholding | 53 | $25K | 12/1/2023 |
| Roselyn R. Bar | ▼ Sell | Tax Withholding | 537 | $251K | 12/1/2023 |
| David C. Wajsgras | ▲ Buy | Grant | 79 | $37K | 11/30/2023 |
| Quillen Michael J | ▲ Buy | Grant | 37 | $17K | 11/30/2023 |
| Thomas Pike | ▲ Buy | Grant | 65 | $30K | 11/30/2023 |
| John J. Koraleski | ▲ Buy | Grant | 95 | $44K | 11/30/2023 |
| Roselyn R. Bar | ▼ Sell | Gift | 122 | $0 | 11/30/2023 |
| David C. Wajsgras | ▲ Buy | Grant | 82 | $37K | 8/31/2023 |
| Quillen Michael J | ▲ Buy | Grant | 38 | $17K | 8/31/2023 |
| Thomas Pike | ▲ Buy | Grant | 68 | $30K | 8/31/2023 |
| John J. Koraleski | ▲ Buy | Grant | 99 | $44K | 8/31/2023 |
| LaTorre Craig M | ▼ Sell | Tax Withholding | 869 | $384K | 8/23/2023 |
| LaTorre Craig M | ▼ Sell | Open Market | 1,934 | $835K | 8/21/2023 |
| LaTorre Craig M | ▼ Sell | Open Market | 500 | $224K | 7/28/2023 |
| David C. Wajsgras | ▲ Buy | Grant | 92 | $37K | 5/31/2023 |
| Quillen Michael J | ▲ Buy | Grant | 43 | $17K | 5/31/2023 |
| Thomas Pike | ▲ Buy | Grant | 76 | $30K | 5/31/2023 |
| John J. Koraleski | ▲ Buy | Grant | 111 | $44K | 5/31/2023 |
| David C. Wajsgras | ▲ Buy | Grant | 362 | $145K | 5/11/2023 |
| Donald W. Slager | ▲ Buy | Grant | 362 | $145K | 5/11/2023 |
| Quillen Michael J | ▲ Buy | Grant | 362 | $145K | 5/11/2023 |
| Thomas Pike | ▲ Buy | Grant | 362 | $145K | 5/11/2023 |