Martin Marietta Materials Inc (MLM) SEC filings and CIK.
MLM’s SEC Central Index Key (CIK) is 0000916076, or 916076 without leading zeros. The SEC’s ticker file lists it as MARTIN MARIETTA MATERIALS INC.
- Ticker
- MLM
- CIK
- 0000916076
- Other tickers
- None
- Insider transactions, Q3 2026
- 6
Insider trading
In Q3 2026, insiders at Martin Marietta Materials Inc reported 6 non-derivative transactions on 8 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every MLM insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-10-30 | SCHEDULE 13G/A | 0002100121-26-001086 |
| 2026-10-30 | SCHEDULE 13G/A | 0002100119-26-001680 |
Get MLM SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=916076&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/916076" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/916076?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Martin Marietta Materials Inc on SEC.gov
Questions
What is MLM’s CIK number?
MLM’s SEC Central Index Key (CIK) is 0000916076, or 916076 without leading zeros. The SEC’s ticker file lists it as MARTIN MARIETTA MATERIALS INC.
How do I find Martin Marietta Materials Inc’s 10-K?
Request /api/v1/filings?cik=916076&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/mlm.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.