MARTIN MARIETTA MATERIALS INC (MLM) has 214 open-market insider trades by 35 insiders since 2006. The most active filer is Stephen P. Zelnak Jr., Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Stephen P. Zelnak Jr. | Dir | — | 42 | $89.5M | 2020-06-10 |
| C. Howard Nye | CEOChairmanPres | — | 13 | $68.6M | 2026-03-01 |
| William J. Patterson | 10% | — | 2 | $64.6M | 2008-10-08 |
| Francisco Partners Lp San | 10% | — | 1 | $46.8M | 2011-08-05 |
| Roselyn R. Bar | CLOVPSecretary | — | 18 | $32.5M | 2025-12-16 |
| Partners Ii Lp Spo | 10% | — | 1 | $19.2M | 2008-10-07 |
| Philip J. Sipling | Exec. VP | — | 8 | $17.8M | 2009-12-01 |
| Francisco Partners Ii Lp San | 10% | — | 1 | $13.1M | 2008-10-28 |
| Anne H. Lloyd | EVP and CFO | — | 11 | $9.2M | 2017-05-22 |
| Jonathan T. Stewart | SVP Human Resources | — | 8 | $8.3M | 2010-12-09 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Laree E. Perez | Director | Sell | $1.3M | 2025-08-08 |
| Donald A. McCunniff | CHRO & VP | Sell | $633K | 2025-03-05 |
| Michael J. Petro | VP | Buy | $500K | 2025-03-04 |
| Roselyn R. Bar | CLO & VP +1 | Sell | $6.0M | 2024-03-14 |
| C. Howard Nye | CEO & Chairman +1 | Sell | $12.1M | 2024-03-05 |
| Sue W. Cole | Director | Sell | $1.9M | 2024-02-16 |
Companies that share insiders with MLM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Craig M. LaTorre | CHRO & VP | Sell | $1.7M | 2023-08-21 |
| Craig M. LaTorre | CHRO & VP | Sell | $224K | 2023-07-28 |
| Sue W. Cole | Director | Sell | $1.2M | 2022-11-18 |
| John P. Mohr | SVP - CIO | Sell | $145 | 2022-06-10 |
| C. Howard Nye | CEO & Chairman +1 | Sell | $13.5M | 2021-03-09 |
| Roselyn R. Bar | CLO & VP +1 | Sell | $5.5M | 2020-11-24 |
| Sue W. Cole | Director | Sell | $351K | 2020-09-08 |
| Stephen P. Zelnak Jr. | Director | Sell | $7.1M | 2020-06-05 |
| C. Howard Nye | CEO & Chairman +1 | Sell | $2.4M | 2020-05-21 |