Martin Marietta Materials Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Martin Marietta Materials Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 1400 — Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- Jurisdiction of incorporation
- North Carolina
- Headquarters city
- Raleigh
- Headquarters state / province
- North Carolina
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- MLM
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0000916076
- EIN
- 56-1848578
Board of directors
-
Anthony R. Foxx · DirectorSince 2023
-
C. Howard Nye · Director · Chairman, Pres & CEOSince 2023
-
David C. Wajsgras · DirectorSince 2023
-
Donald W. Slager · DirectorSince 2023
-
Dorothy M. Ables · DirectorSince 2023
-
Gayla J. Delly · DirectorSince 2026
-
John J. Koraleski · DirectorSince 2023
-
Laree E. Perez · DirectorSince 2023
-
Martin J. Lyons · DirectorSince 2026
-
Mary T. Mack · DirectorSince 2024
-
Michael J. Quillen · DirectorSince 2023
-
Philipp Niemann · DirectorSince 2026
-
Smith W. Davis · DirectorSince 2023
-
Sue W. Cole · DirectorSince 2023
-
Thomas Pike · DirectorSince 2023
Chief executives
C. Howard Nye
· Chairman, Pres & CEO
Dates unknown
Director election results
Annual meeting of May 14, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
95.8%
-
97.4%
-
98.3%
-
99.1%
-
99.5%
-
99.5%
-
99.5%
-
99.6%
-
99.9%
-
99.9%
Board connections
8 of this board's directors also sit on 12 other boards.
- via Michael J. Quillen
- via Martin J. Lyons
- via Gayla J. Delly
- via Anthony R. Foxx
- via Donald W. Slager
- via Gayla J. Delly
- via Thomas Pike
- via C. Howard Nye
- via Gayla J. Delly
- via Anthony R. Foxx
- via David C. Wajsgras
- via David C. Wajsgras
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 1, 2026 | Petro Michael J Officer (SVP and CFO) | Grant or award | +9,331 | — | — |
| Aug 31, 2026 | Martin J. Lyons Director | Grant or award | +68 | $518.70 | $35,272 |
| Aug 31, 2026 | Thomas Pike Director | Grant or award | +66 | $518.70 | $34,234 |
| Aug 31, 2026 | David C. Wajsgras Director | Grant or award | +78 | $518.70 | $40,459 |
| Aug 21, 2026 | Philipp Niemann Director | Grant or award | +337 | — | — |
| Aug 3, 2026 | Petro Michael J Officer (SVP and CFO) | Shares withheld for tax | −368 | $542.27 | $199,555 |
| May 29, 2026 | David C. Wajsgras Director | Grant or award | +69 | $581.64 | $40,133 |
| May 29, 2026 | Thomas Pike Director | Grant or award | +59 | $581.64 | $34,317 |
| May 29, 2026 | Martin J. Lyons Director | Grant or award | +61 | $581.64 | $35,480 |
| May 14, 2026 | David C. Wajsgras Director | Grant or award | +313 | — | — |
| May 14, 2026 | Donald W. Slager Director | Grant or award | +313 | — | — |
| May 14, 2026 | Thomas Pike Director | Grant or award | +313 | — | — |
| May 14, 2026 | Laree E. Perez Director | Grant or award | +313 | — | — |
| May 14, 2026 | Mary T. Mack Director | Grant or award | +313 | — | — |
| May 14, 2026 | Martin J. Lyons Director | Grant or award | +313 | — | — |
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