Martin Marietta Materials Inc
Veridion Score
Composite trend over time
Why is MLM moving today?
Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.
Reported fields plus Veridion-computed history. Unsourced tiles are omitted.
Warehouse intelligence for MLM.
MLM insider activity
Martin Marietta Materials Inc
3 insiders bought in the last 90 days
Net selling: -$9.6M across loaded Form 4 rows.
Loaded official disclosures do not show all three sources aligned on this ticker.
| Filing date | Trade date | Insider | Title | Type | Price | Qty | Owned | Value | Receipt |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-02 | 2026-05-29 | Pike Thomas | Insider | buy | $581.64 | 59 | 4,963 | $34K | SEC Form 4 |
| 2026-06-02 | 2026-05-29 | WAJSGRAS DAVID C | Insider | buy | $581.64 | 69 | 5,028 | $40K | SEC Form 4 |
| 2026-06-02 | 2026-05-29 | LYONS MARTIN J | Insider | buy | $581.64 | 61 | 374 | $35K | SEC Form 4 |
| 2026-03-02 | 2026-02-27 | Pike Thomas | Insider | buy | $676.57 | 47 | 4,591 | $32K | SEC Form 4 |
| 2026-03-02 | 2026-02-27 | KORALESKI JOHN J | Insider | buy | $676.57 | 69 | 8,822 | $47K | SEC Form 4 |
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