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MARTIN MARIETTA MATERIALS INC SEC Filings

MLM NYSE

Welcome to our dedicated page for MARTIN MARIETTA MATERIALS SEC filings (Ticker: MLM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on MARTIN MARIETTA MATERIALS's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into MARTIN MARIETTA MATERIALS's regulatory disclosures and financial reporting.

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David C. Wajsgras, a director of Martin Marietta Materials, Inc. (MLM), acquired non-derivative common stock units under the company's director stock purchase plan on 08/29/2025. The Form 4 shows an acquisition transaction tied to the Plan resulting in 4,529 shares (or share units) beneficially owned following the transaction. The reported price column shows $616.4, and the transaction is labeled with code A indicating acquisition. The filing explains these units were accrued under the Martin Marietta Materials Common Stock Purchase Plan for Directors and will be settled in stock in a lump sum or installments (up to 10 years) according to the director's election or termination timing.

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Pike Thomas, a director of Martin Marietta Materials, Inc. (MLM), reported a transaction dated 08/29/2025 in which 51 common stock units were acquired under the company’s Common Stock Purchase Plan for Directors. The filing shows a price of $616.4 and reports 4,493 shares beneficially owned following the transaction, held directly. The director units are accrued under the director stock purchase plan and will be settled in shares either in a lump sum or in installments (up to 10 years) following the director’s cessation of service or per the director’s election, as described in the filing. The Form 4 was signed by an attorney-in-fact on 09/02/2025.

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John J. Koraleski, a director of Martin Marietta Materials, acquired 76 common stock units on 08/29/2025 under the company’s Common Stock Purchase Plan for Directors. After the reported transaction he directly beneficially owned 8,678 shares. He also holds 2,000 shares indirectly through SJK HOLDINGS and INVESTMENTS, LLC and 4,900 shares indirectly through the KORALESKI LIVING TRUST. The units were accrued under the director plan and will be settled in stock either in a lump sum or installments up to 10 years following termination or per the director’s election. The Form 4 was signed by attorney-in-fact Bradley D. Kohn on 09/02/2025.

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Martin Marietta Materials (MLM) Form 3: Jason Paul Flynn, identified as Senior Vice President and Chief Information Officer, filed an initial Section 16 beneficial ownership report disclosing direct ownership of 4,522 shares of Martin Marietta common stock. The Form 3 lists the transaction date requiring the filing as 08/14/2025 and the filing signature executed by counsel on 08/25/2025. The report is a routine officer disclosure with no derivatives or other holdings reported.

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Laree E. Perez, a director of Martin Marietta Materials (MLM), reported a sale of 1,038 shares of common stock on 08/08/2025 at a reported price of $613.32, leaving beneficial ownership of 15,417 shares. The disclosure is a Form 4 insider transaction showing a director-initiated sale and the remaining shareholdings after the trade.

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Martin Marietta Materials, Inc. (MLM) filed a Form 144 reporting a proposed sale of 1,038 shares of common stock through Fidelity Investments, with an aggregate market value of $623,111.40. The sale is scheduled to occur on or about 08/08/2025 on the NYSE. The 1,038 shares were acquired as distributions of restricted stock awards across 2020–2025 (140 in 2020, 194 in 2021, 222 in 2022, 181 in 2023, 147 in 2024, and 154 in 2025).

The filing shows 60,306,003 shares outstanding, so the proposed sale represents approximately 0.0017% of outstanding shares. The filer reports no securities sold in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.

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Martin Marietta Materials (NYSE: MLM) filed an 8-K on 4-Aug-2025 covering Items 2.02 and 7.01.

  • Preliminary Q2-25 results: Headline figures were not disclosed; full financials and 2025 guidance will be released 7-Aug-2025 before market open, followed by a 10:00 a.m. ET conference call.
  • Quikrete asset swap: On 3-Aug-2025 MLM agreed to transfer its Midlothian, TX cement plant and North-Texas ready-mix sites to Quikrete in exchange for Quikrete’s aggregates operations in Virginia, Missouri, Kansas and Western Canada plus $450 million cash.
  • Premier Magnesia acquisition closed: Adds magnesia-based product facilities in NV, NC, IN and PA, broadening the Magnesia Specialties segment.

The 8-K is furnished (not filed) and therefore not subject to Section 18 liability. Management issued extensive forward-looking-statement disclaimers, citing macro, regulatory, supply-chain and weather risks that could affect future results.

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FAQ

How many MARTIN MARIETTA MATERIALS (MLM) SEC filings are available on StockTitan?

StockTitan tracks 80 SEC filings for MARTIN MARIETTA MATERIALS (MLM), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for MARTIN MARIETTA MATERIALS (MLM)?

The most recent SEC filing for MARTIN MARIETTA MATERIALS (MLM) was filed on September 2, 2025.