Stocky
MLM
Martin Marietta Materials, Inc.
NYSE · Basic Materials · US
540.56
▼ -2.31%

Stocky turns companies like Martin Marietta Materials, Inc. into a fun, safe way to learn investing — a virtual portfolio, live scores & charts, and real analyst data, with no real money.

Try Stocky free →

What's happening at Martin Marietta Materials, Inc.

Martin Marietta Materials, Inc.'s latest moves, explained simply — so you know why the numbers change.

Straight from SEC filings · updated 6 Aug 2026
Big update 5 Aug 2026

Lhoist North America acquisition receives all regulatory approvals

The $13.5 billion deal is on track to close, which significantly expands Martin Marietta's product lines and geographic reach.

SEC 8-K · filed 2026-08-05 View filing ↗
People 4 Aug 2026

Michael Petro promoted to Chief Financial Officer

New CFO gets $750,000 base salary and $5 million in restricted stock, showing the company values strong financial leadership.

SEC 8-K · filed 2026-08-04 View filing ↗
Earnings 30 Jul 2026

Second quarter 2026 financial results announced

Quarterly earnings show how well the company performed and help investors decide if it's a good investment.

SEC 10-Q · filed 2026-07-30 View filing ↗
Money 30 Jul 2026

Credit agreements amended for Lhoist acquisition financing

Martin Marietta secured $1.5 billion in term loans and modified revolving credit to fund the $13.5 billion deal.

SEC 8-K · filed 2026-07-30 View filing ↗
Deal 15 Jul 2026

Martin Marietta signs $13.5 billion Lhoist North America deal

Major acquisition adds lime and industrial minerals businesses, paid with $7 billion cash and 10.95 million shares of stock.

SEC 8-K · filed 2026-07-15 View filing ↗
Deal 29 Jun 2026

Martin Marietta announces Lhoist North America acquisition

The $13.5 billion purchase of a major lime and aggregates business signals growth plans and changes company size significantly.

SEC 8-K · filed 2026-06-29 View filing ↗
Corporate 29 Jun 2026

Shared an update with investors

SEC 8-K · filed 2026-06-29 View filing ↗

Common questions

How does Stocky track Martin Marietta Materials, Inc.'s company events?

Stocky reads Martin Marietta Materials, Inc.'s official filings with the U.S. Securities and Exchange Commission (SEC) — the 8-K, 10-Q and 10-K reports every public company must file — and summarizes each one in plain English, with a link back to the original document.

What was Martin Marietta Materials, Inc.'s most recent SEC filing?

Martin Marietta Materials, Inc.'s most recent tracked filing was a 8-K on 5 Aug 2026: Lhoist North America acquisition receives all regulatory approvals.

Is this financial advice?

No. These event summaries are educational — generated from public SEC filings to help beginners understand what a company is doing. They are not buy or sell recommendations.

See Martin Marietta Materials, Inc. the Stocky way

This page is just a preview. Open the live, interactive version for the full picture:

🎯
Stocky Verdict
A plain-English Buy / Hold / Sell score out of 100.
🌱
Compounder & Value scores
How strong the business is — and whether it looks cheap.
📈
Interactive charts
1M to 5Y price history with company events plotted on it.
Top analyst targets
What the best-rated Wall Street analysts expect next.
⏱️
What if? simulator
See what an investment in MLM would be worth today.
💼
Practice portfolio
Buy MLM with virtual money and track it — zero risk.
Free · no real money · learn by doing Open MLM in Stocky →
See Martin Marietta Materials, Inc.'s full breakdown in Stocky →

Educational, not financial advice. Company events summarized from public SEC filings.
Data as of 6 Aug 2026.