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Martin Marietta Materials Insider Trading Activity | NYSE:MLM | Benzinga
Track the latest Martin Marietta Materials insider trading activity. Stay informed on recent buys, sells, and market impact for Martin Marietta Materials stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are Martin Marietta Materials Inc Insiders Doing?
Insiders have report no purchases/sales in the last 30 days.
Notable Recent Insider Buys and Sales
- On March 5, 2025, Michael Petro, the company's SVP - STRATEGY AND DEVELOPMENT purchased 550 shares for $454.37 each.
Ownership Statistics for Martin Marietta Materials Inc
Shares Outstanding
60.974M
Insider Shares Owned
848.751K
Insider Percentage Owned
1.41%
Institutional Shares Held
41.654M
Institutional Percentage Held
69.1%
| Mar 06, 2025 | Donald McCunniff | EVP AND CHRO | 0.00 | $314.79 | -$426.80K | SELL-OPTIONS | 0.00% | 3.52K | Mar 05 | View |
| Mar 05, 2025 | Michael Petro | SVP - STRATEGY AND DEVELOPMENT | 550.00 | $454.37 | $249.90K | BUY | 6.52% | 8.98K | Mar 04 | View |
| Mar 15, 2024 | Roselyn R Bar | EVP, GENERAL COUNSEL AND SECY | -10.00K | $603.29 | -$6.03M | SELL | -14.29% | 59.97K | Mar 14 | View |
| Mar 06, 2024 | Howard Nye | CHAIRMAN, PRES & CEO | -20.00K | $604.26 | -$12.09M | SELL | -22.12% | 70.40K | Mar 05 | View |
| Feb 20, 2024 | SUE COLE | DIRECTOR | -1.72K | $543.48 | -$936.96K | SELL | -6.69% | 24.04K | Feb 16 | View |
| Aug 22, 2023 | Craig LaTorre | SR. VP, CHRO | -1.93K | $431.68 | -$834.87K | SELL | -16.58% | 9.73K | Aug 21 | View |
| Aug 01, 2023 | Craig LaTorre | SR. VP, CHRO | -500.00 | $447.09 | -$223.54K | SELL | -4.11% | 11.66K | Jul 28 | View |
| Nov 18, 2022 | SUE COLE | DIRECTOR | -1.69K | $355.61 | -$599.20K | SELL | -6.22% | 25.41K | Nov 18 | View |
| Jun 14, 2022 | John P Mohr | SVP - CIO | -0.45 | $321.75 | -$144.40 | SELL | -0.00% | 14.83K | Jun 10 | View |
| Mar 11, 2021 | Howard Nye | CHAIRMAN, PRES & CEO | -20.00K | $337.40 | -$6.75M | SELL | -20.96% | 75.40K | Mar 09 - Mar 10 | View |
| Nov 24, 2020 | Roselyn R Bar | — | -6.00K | $191.44 | -$2.31M | OPTION EXERCISE | -9.98% | 54.12K | Nov 24 | View |
| Sep 10, 2020 | SUE COLE | — | -1.22K | $208.35 | -$253.77K | SELL | -4.45% | 26.15K | Sep 08 - Sep 10 | View |
| Jul 10, 2020 | Stephen P. Zelnak Jr. | — | -18.07K | $204.11 | -$4.06M | PURCHASE | -78.48% | 4.96K | Jun 30 - Jun 10 | View |
| Jul 02, 2020 | Daniel L Grant | — | 153.46 | $211.91 | $32.52K | ACQUISITION | 0.85% | 18.29K | Mar 29 - Jun 30 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.
