$MLM
Martin Marietta Materials
XNYS•Materials•Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Why is MLM down today? It is at $544.43 (-1.61%), and our scanner flagged it 22 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment MLM spikes, and full due diligence on MLM — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $544.43
- Change today
- -1.61%
- Previous close
- $553.37
- 52-week range
- $523.48 – $710.97
- Market cap
- $33.24B
- Dividend yield
- 0.60% ($3.32)
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 2.4M ▲ +10% vs prior · as of 2026-07-15
- Days to cover
- 4.2d
- Avg daily volume
- 484K
- Sector
- Materials
- Industry
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- Exchange
- XNYS
- 5m
- 0.9x
- 15m
- 0.6x
- 1h
- 0.5x
- 1D
- 0.0x
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Why is $MLM down today?
Here is the latest on MLM from our scanner (live price and day move above). Fresh from the SEC: MARTIN MARIETTA MATERIALS INC: Raleigh, N.C. (August 5, 2026) - Martin. A material company disclosure like this is often the real catalyst behind a move of this size.
Likely catalystRaleigh, N.C. (August 5, 2026) - Martin, from the latest SEC filing. Read it →Insiders
Insiders buying12 buys, 1 sells last 3 months (35/22 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Petro Michael J Officer | Sold (automatic/other) | -368 | sold 2.4% | 15K | $200K at $542.27 | Aug 3, 26 |
Lyons Martin J Director | Acquired (grant/award) | +61 | added 19% | 374 | $35K at $581.64 | May 29, 26 |
Pike Thomas Director | Acquired (grant/award) | +59 | added 1.2% | 5K | $34K at $581.64 | May 29, 26 |
Wajsgras David C Director | Acquired (grant/award) | +69 | added 1.4% | 5K | $40K at $581.64 | May 29, 26 |
Ables Dorothy M Director | Acquired (grant/award) | +313 | added 8.0% | 4K | n/a | May 14, 26 |
Delly Gayla J Director | Acquired (grant/award) | +313 | n/a | 313 | n/a | May 14, 26 |
Foxx Anthony R Director | Acquired (grant/award) | +313 | added 14% | 3K | n/a | May 14, 26 |
Lyons Martin J Director | Acquired (grant/award) | +313 | n/a | 313 | n/a | May 14, 26 |
Mack Mary T Director | Acquired (grant/award) | +313 | added 52% | 914 | n/a | May 14, 26 |
Perez Laree E Director | Acquired (grant/award) | +313 | added 2.0% | 16K | n/a | May 14, 26 |
Pike Thomas Director | Acquired (grant/award) | +313 | added 6.8% | 5K | n/a | May 14, 26 |
Slager Donald W Director | Acquired (grant/award) | +313 | added 6.6% | 5K | n/a | May 14, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$MLM Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$MLM Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.
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MLM stock FAQ
Why is $MLM down today?
Here is the latest on MLM from our scanner (live price and day move above). Fresh from the SEC: MARTIN MARIETTA MATERIALS INC: Raleigh, N.C. (August 5, 2026) - Martin. A material company disclosure like this is often the real catalyst behind a move of this size.
What is the MLM stock price today?
MLM last traded at $544.43, down 1.61% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does MLM pay a dividend?
Yes. MLM currently has a dividend yield of about 0.60% ($3.32 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live MLM alerts?
The MLM Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged MLM 22 times in the last 30 days.
What exchange is MLM on?
MLM (Martin Marietta Materials) trades on XNYS, with a market cap of about $33.24B in the MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS) sector.
Is MLM good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge MLM for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.