Over the 90-day window ending February 19, 2026, Martin Marietta Materials's three dominant insider ownership positions are held by Chairman And Pres & Ceo C Howard Nye (222.28K shares), Executive Vice President Roselyn R Bar (62.59K shares), Evp And Cfo James Aj Nickolas (26.64K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| C Howard Nye | Chairman And Pres & Ceo | 222,276 | 17 Dec, 2025 |
| Roselyn R Bar | Executive Vice President | 62,594 | 17 Dec, 2025 |
| James Aj Nickolas | Evp And Cfo | 26,643 | 25 Feb, 2025 |
| Sue W Cole | 24,644 | 16 May, 2025 | |
| Michael J Quillen | 21,306 | 10 May, 2024 | |
| Laree E Perez | 15,417 | 11 Aug, 2025 | |
| John P Mohr | Svp Cio | 14,974 | 05 Dec, 2023 |
| Robert J Cardin | Svp And Controller & Cao | 11,066 | 17 Dec, 2025 |
| Michael J Petro | Svp And Cfo | 10,807 | 09 Jul, 2025 |
| John J Koraleski | 10,753 | 01 Dec, 2025 | |
| Craig M Latorre | Sr. Vp And Chro | 8,634 | 05 Dec, 2023 |
| Smith W Davis | 5,255 | 01 Mar, 2023 | |
| Oliver W Brooks | Svp Enterprise Excellence | 5,178 | 25 Feb, 2025 |
| Donald W Slager | 4,751 | 16 May, 2025 | |
| David C Wajsgras | 4,590 | 01 Dec, 2025 | |
| Thomas Pike | 4,544 | 01 Dec, 2025 | |
| Kelly Gean Bennett | Svp And Chro | 4,454 | 27 Feb, 2024 |
| Jason Paul Flynn | Svp And Cio | 4,399 | 03 Dec, 2025 |
| Dorothy M Ables | 3,908 | 16 May, 2025 | |
| Bradley D Kohn | Svp And General Counsel And Secy | 3,625 | 25 Feb, 2025 |
| Donald A. Mccunniff | Evp And Chro | 3,473 | 17 Dec, 2025 |
| Anthony R Foxx | 2,302 | 16 May, 2025 | |
| Mary T Mack | 601 | 16 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 16 Dec, 2025 | Roselyn R Bar | Common Stock | D | 66 | $629.49 | 62,594 | D | F |
| 16 Dec, 2025 | Donald A. Mccunniff | Common Stock | D | 50 | $629.49 | 3,473 | D | F |
| 16 Dec, 2025 | C Howard Nye | Common Stock | D | 298 | $629.49 | 151,876 | D | F |
| 16 Dec, 2025 | Robert J Cardin | Common Stock | D | 32 | $629.49 | 11,066 | D | F |
| 02 Dec, 2025 | Roselyn R Bar | Common Stock | D | 488 | $0.00 | 62,660 | D | G |
| 01 Dec, 2025 | Roselyn R Bar | Common Stock | D | 420 | $615.25 | 63,148 | D | F |
| 01 Dec, 2025 | Jason Paul Flynn | Common Stock | D | 123 | $615.25 | 4,399 | D | F |
| 28 Nov, 2025 | David C Wajsgras | Common Stock | A | 61 | $623.24 | 4,590 | D | A |
| 28 Nov, 2025 | John J Koraleski | Common Stock | A | 75 | $623.24 | 8,753 | D | A |
| 28 Nov, 2025 | Thomas Pike | Common Stock | A | 51 | $623.24 | 4,544 | D | A |
| 29 Aug, 2025 | David C Wajsgras | Common Stock | A | 61 | $616.40 | 4,529 | D | A |
| 29 Aug, 2025 | John J Koraleski | Common Stock | A | 76 | $616.40 | 8,678 | D | A |
| 29 Aug, 2025 | Thomas Pike | Common Stock | A | 51 | $616.40 | 4,493 | D | A |
| 08 Aug, 2025 | Laree E Perez | - | - | 15,417 | D | |||
| 08 Aug, 2025 | Laree E Perez | Common Stock | D | 1,038 | $613.32 | 15,417 | D | S |
| 08 Jul, 2025 | Michael J Petro | Common Stock | A | 1,822 | $0.00 | 10,807 | D | A |
| 08 Jul, 2025 | Michael J Petro | - | - | 10,807 | D | |||
| 30 May, 2025 | David C Wajsgras | Common Stock | A | 69 | $547.55 | 4,468 | D | A |
| 30 May, 2025 | John J Koraleski | Common Stock | A | 85 | $547.55 | 8,602 | D | A |
| 30 May, 2025 | Thomas Pike | Common Stock | A | 58 | $547.55 | 4,442 | D | A |