List of insiders holdings for MARTIN MARIETTA MATERIALS INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| SOUTHEASTERN ASSET MANAGEMENT INC 10% Owner | 2013-03-26 18:13:13 | 2,262,363 0 | 2,262,363 | Form 13D |
| NNS Holding Sawiris Nassef Norman Philip 10% Owner | 2009-02-13 17:06:13 | 227,777 0 | 227,777 | Form 13G |
| Nye C Howard Chairman, Pres & CEO | 2025-02-25 16:24:04 | 152,174 70,400 | 222,574 | Form 4 |
| BAR ROSELYN R Executive Vice President | 2025-02-25 16:03:00 | 63,568 0 | 63,568 | Form 4 |
| SIPLING PHILIP J Exec. VP | 2009-12-03 11:22:42 | 60,601 0 | 60,601 | Form 4 |
| LLOYD ANNE H EVP and CFO | 2017-05-24 15:27:52 | 59,786 0 | 59,786 | Form 4 |
| SHEPHERD DANIEL G Exec VP | 2011-05-25 09:31:35 | 47,500 0 | 47,500 | Form 4 |
| STEWART JONATHAN T SVP Human Resources | 2010-12-10 11:56:46 | 40,073 0 | 40,073 | Form 4 |
| MOE DONALD M Sr. VP | 2007-02-14 15:27:21 | 38,745 0 | 38,745 | Form 4 |
| HENRY JANICE K Sr. Vice Pres. | 2006-06-01 13:20:03 | 35,839 0 | 35,839 | Form 4 |
| Nickolas James AJ EVP and CFO | 2025-02-25 16:10:45 | 26,643 0 | 26,643 | Form 4 |
| COLE SUE W Director | 2024-05-17 16:43:40 | 20,086 4,250 | 24,336 | Form 4 |
| Vaio Bruce A Executive VP | 2012-12-13 14:46:26 | 22,301 0 | 22,301 | Form 4 |
| Guzzo Dana F. SVP/Controller/CAO | 2019-02-26 16:19:50 | 22,027 0 | 22,027 | Form 4 |
| Quillen Michael J Director | 2024-05-10 08:54:53 | 21,306 0 | 21,306 | Form 4 |
| MENAKER FRANK H JR Director | 2016-03-02 09:47:06 | 20,576 0 | 20,576 | Form 4 |
| Grant Daniel L. SVP - Strategy and Development | 2021-02-23 19:57:12 | 19,065 0 | 19,065 | Form 4 |
| MAFFUCCI DAVID G Director | 2018-06-01 11:56:24 | 17,874 0 | 17,874 | Form 4 |
| MCDONALD WILLIAM E Director | 2017-03-02 12:01:15 | 17,869 0 | 17,869 | Form 4 |
| REDIKER DENNIS L Director | 2019-03-01 14:12:34 | 17,775 0 | 17,775 | Form 4 |
| PEREZ LAREE E Director | 2024-05-17 16:49:23 | 16,147 0 | 16,147 | Form 4 |
| VINROOT RICHARD A Director | 2016-03-02 10:01:04 | 15,955 0 | 15,955 | Form 4 |
| KORALESKI JOHN J Director | 2025-03-03 11:24:04 | 8,209 6,900 | 15,109 | Form 4 |
| Mohr John P SVP - CIO | 2023-12-05 16:01:15 | 14,974 0 | 14,974 | Form 4 |
| REED JAMES M Director | 2005-05-26 12:57:28 | 12,416 0 | 12,416 | Form 4 |
| WATTERSON DAVID S VP and Chief Info. Officer | 2006-08-08 09:56:46 | 12,218 0 | 12,218 | Form 4 |
| Petro Michael J SVP - Strategy and Development | 2025-03-05 09:11:09 | 8,985 0 | 8,985 | Form 4 |
| LaTorre Craig M Sr. VP, CHRO | 2023-12-05 15:55:39 | 8,634 0 | 8,634 | Form 4 |
| Cardin Robert J Sr. VP, Controller and CAO | 2025-02-25 16:06:07 | 8,229 0 | 8,229 | Form 4 |
| EASTERLIN DONALD J III Vice President | 2003-12-10 16:35:30 | 5,947 2,223 | 8,170 | Form 4 |
| BENNETT MARCUS C Director | 2008-05-30 11:48:38 | 6,962 0 | 6,962 | Form 4 |
| Davis Smith W Director | 2023-03-01 17:19:40 | 5,255 0 | 5,255 | Form 4 |
| Brooks Oliver W SVP - Enterprise Excellence | 2025-02-25 16:05:05 | 5,178 0 | 5,178 | Form 4 |
| ZELNAK STEPHEN P JR Director | 2020-07-10 17:13:48 | 4,955 0 | 4,955 | Form 4 |
| Bennett Kelly Gean SVP, CHRO | 2024-02-27 16:25:49 | 4,454 0 | 4,454 | Form 4 |
| SLAGER DONALD W Director | 2024-05-17 16:52:40 | 4,443 0 | 4,443 | Form 4 |
| SANSOM WILLIAM B Director | 2006-07-05 15:39:22 | 2,899 1,210 | 4,109 | Form 4 |
| WAJSGRAS DAVID C Director | 2025-03-03 11:27:32 | 4,091 0 | 4,091 | Form 4 |
| Pike Thomas Director | 2025-03-03 11:25:36 | 4,076 0 | 4,076 | Form 4 |
| KOHN BRADLEY D SVP, General Counsel and Secy | 2025-02-25 16:07:21 | 3,625 0 | 3,625 | Form 4 |
| Ables Dorothy M Director | 2024-05-17 16:40:51 | 3,600 0 | 3,600 | Form 4 |
| McCunniff Donald A. EVP and CHRO | 2025-03-06 10:06:02 | 3,523 0 | 3,523 | Form 4 |
| LEONARD BOBBY F Director | 2003-08-20 09:55:40 | 2,000 0 | 2,000 | Form 4 |
| ADAMSON RICHARD G Director | 2003-08-20 09:34:51 | 2,000 0 | 2,000 | Form 4 |
| Foxx Anthony R Director | 2024-05-17 16:44:18 | 1,994 0 | 1,994 | Form 4 |
| Mack Mary T Director | 2024-05-17 16:48:25 | 293 0 | 293 | Form 4 |
| SPO ADVISORY CORP SPO ADVISORY PARTNERS LP SF ADVISORY PARTNERS LP SPO PARTNERS II LP SAN FRANCISCO PARTNERS LP SCULLY JOHN H OBERNDORF WILLIAM E MCDERMOTT EDWARD H 10% Owner | 2014-02-14 16:19:45 | 0 0 | 0 | Form 13G |
| Tesh James M. SVP-Human Resources | 2011-01-28 11:49:26 | 0 0 | 0 | Form 3 |
| SCULLY JOHN H CRANBERRY LAKE PARTNERS LP 10% Owner | 2010-12-02 19:51:34 | 0 0 | 0 | Form 4 |
| PHOEBE SNOW FOUNDATION See Footnote 1 | 2009-12-16 20:49:38 | 0 0 | 0 | Form 4 |
| SPO ADVISORY CORP SPO ADVISORY PARTNERS LP SF ADVISORY PARTNERS LP SPO PARTNERS II LP SAN FRANCISCO PARTNERS II LP SCULLY JOHN H OBERNDORF WILLIAM E PATTERSON WILLIAM J MCDERMOTT EDWARD H 10% Owner | 2014-02-14 16:19:45 | 0 0 | 0 | Form 13G |
| SPO ADVISORY CORP SF ADVISORY PARTNERS LP SPO ADVISORY PARTNERS LP SAN FRANCISCO PARTNERS II LP SPO PARTNERS II LP PHOEBE SNOW FOUNDATION Elizabeth R. & William J. Patterson Foundation 10% Owner | 2014-02-14 16:19:45 | 0 0 | 0 | Form 13G |