Figures computed from official regulatory filings — .
Analysttarget 646.04 USD (+34%) · consensus 4.17/5 · 16 buy · 8 hold · 0 sell
Ownershipinsiders 16.15% · institutions 86.11% · short 4.6% of float
In USD · as of Oct 5, 2026
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Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It operates through East Group and West Group segments. The company offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; and paving products and services for use in the infrastructure projects, and nonresidential and residential construction projects, as well as in the railroad, agricultural, utility, and environmental industries. It also produces magnesia-based chemicals products, and dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other applications. The company was founded in 1939 and is based in Raleigh, North Carolina.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
68 buys800 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| WAJSGRAS DAVID C | Award | $40.5K | SEC |
| Pike Thomas | Award | $34.2K | SEC |
| Petro Michael J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LYONS MARTIN J | Award | $35.3K | Unusual size | SEC |
| Petro Michael J | Other | $199.6K | SEC |
| Pike Thomas | Award | $34.3K | SEC |
| WAJSGRAS DAVID C | Award | $40.1K | SEC |
| LYONS MARTIN J | Award | $35.5K | SEC |
| DELLY GAYLA J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ables Dorothy M | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| WAJSGRAS DAVID C | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SLAGER DONALD W | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Foxx Anthony R | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mack Mary T | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pike Thomas | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LYONS MARTIN J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| PEREZ LAREE E | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Samborski Christopher William | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Schoen George Frederick | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Petro Michael J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Nye C Howard | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McCunniff Donald A | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| KORALESKI JOHN Jtrack record | Award | $46.7K | SEC |
| Pike Thomas | Award | $31.8K | SEC |
| WAJSGRAS DAVID C | Award | $37.9K | SEC |