Company facts
- Headquarters
- Raleigh, North Carolina
- Most recent report
- 8-K, filed Aug 18, 2026
- Incorporated
- North Carolina
- Filings on record
- 1,008+ filings
- On EDGAR
- CIK 916076
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 44
News 8 of 138
Prospectuses and Registrations 8 of 25
- 424B2 Prospectus supplement for an offering Aug 13, 2026
- FWP Free writing prospectus Aug 11, 2026
- 424B5 Prospectus supplement for an offering Aug 10, 2026
- S-8 Registration statement for an employee plan May 15, 2026
- S-3ASR Automatic shelf registration Feb 19, 2026
- S-8 Registration statement for an employee plan Nov 13, 2025
- 424B2 Prospectus supplement for an offering Nov 1, 2024
- FWP Free writing prospectus Oct 31, 2024
Proxies 8 of 14
- DEF 14A Proxy statement for a shareholder vote Apr 15, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 15, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 15, 2024
- PX14A6G Shareholder's own proxy material Apr 24, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 14, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 13, 2022
- DEF 14A Proxy statement for a shareholder vote Apr 13, 2021
- DEF 14A Proxy statement for a shareholder vote Apr 16, 2020
Ownership 8 of 758
- SCHEDULE 13G Large holder reported a passive stake Aug 7, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade May 18, 2026
- 4 Insider reported a trade May 18, 2026
- 4 Insider reported a trade May 18, 2026
Other 8 of 29
- 11-K Employee stock plan report Jun 18, 2026
- ARS Annual report sent to shareholders Apr 15, 2026
- SD Conflict minerals disclosure Sep 24, 2025
- 11-K Employee stock plan report Jun 26, 2025
- ARS Annual report sent to shareholders Apr 15, 2025
- SD Conflict minerals disclosure Sep 18, 2024
- 11-K Employee stock plan report Jun 27, 2024
- ARS Annual report sent to shareholders Apr 16, 2024
Everything here comes from Martin Marietta Materials Inc's own filings on SEC EDGAR. The filing list is rechecked every hour.