Welcome to our dedicated page for Martin Mari Mat 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.
Martin Marietta Materials filings document an operating company whose disclosures cover aggregates and heavy building materials operations, portfolio transactions, financing arrangements, governance, safety reporting, and operating results. Form 8-K reports include earnings releases, Regulation FD materials, executive appointments and related employment agreements, mine-safety notices, credit-facility amendments, and completed acquisitions or dispositions of assets.
Proxy materials describe annual-meeting matters, board and executive compensation governance, shareholder voting items, and performance discussion tied to the company’s aggregates, building materials, and Specialties businesses. Capital-structure disclosures include senior unsecured revolving credit facility terms, while transaction filings record completed exchanges involving aggregates, cement, ready-mixed concrete, land, and cash consideration.
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.
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.
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.
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.