MLM — what changed in the latest 10-Q
A section-by-section comparison of MLM's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-04-30 vs the prior 10-Q · 2025-11-04
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +35 | −65 | ~11 | 60 |
| Market risk (Item 3) | Text added/removed | +1 | −1 | ~3 | 4 |
| Controls & procedures | Text added/removed | 0 | 0 | ~1 | 1 |
| Risk factors | Some risk factors updated | +165 | −1 | 0 | 0 |
| Other information | Text added/removed | 0 | 0 | ~1 | 1 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Not shown (absent or not faithfully extractable): Legal proceedings
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-04-30
On February 23, 2026, the Company completed its previously announced asset exchange with QUIKRETE Holdings, Inc. (QUIKRETE). Under the terms of the transaction, Martin Marietta acquired aggregates operations producing approximately 20 million tons annually in Virginia, Missouri, Kansas and Vancouver…
In connection with closing the asset exchange during the quarter ended March 31, 2026, the Company updated its reportable segments. As of March 31, 2026, the Building Materials business includes two reportable segments: East Group (comprised of the East and Southwest divisions) and West Group (compr…
Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia,
Quarries, Mines, Asphalt Plants, Ready Mixed Concrete Plants and Distribution Facilities
The Building Materials business is significantly affected by weather patterns, precipitation and other weather-related conditions. Production and shipment levels for aggregates, ready mixed concrete and asphalt materials correlate with general construction activity levels, most of which occur in the…
Text removed vs the prior filing · source: 10-Q · 2025-11-04
The Company’s Building Materials business includes two reportable segments: East Group and West Group.
Arizona, Arkansas, California, Colorado, Louisiana, Oklahoma, Texas, Utah,
Quarries, Cement Plant, Asphalt Plants, Ready Mixed Concrete Plants and
The Building Materials business is significantly affected by weather patterns, seasonal changes and other climate-related conditions. Production and shipment levels for aggregates, cement, ready mixed concrete and asphalt materials correlate with general construction activity levels, most of which o…
The Company's Specialties business (formerly known as the Magnesia Specialties business), which represents a separate reportable segment, has manufacturing facilities in Michigan, Ohio, Nevada, North Carolina, Indiana and Pennsylvania. The Specialties business produces high-purity magnesia-based pro…
Market risk (Item 3)
Text added vs the prior filing · source: 10-Q · 2026-04-30
Variable-Rate Borrowing Facilities. At March 31, 2026, the Company had an $800 million Revolving Facility and a $400 million Trade Receivable Facility. Borrowings under these facilities bear interest at a variable interest rate. There were no borrowings outstanding at March 31, 2026. However, any fu…
Text removed vs the prior filing · source: 10-Q · 2025-11-04
Variable-Rate Borrowing Facilities. At September 30, 2025, the Company had an $800 million Revolving Facility and a $400 million Trade Receivable Facility. Borrowings under these facilities bear interest at a variable interest rate. A hypothetical 100-basis-point increase in interest rates on variab…
Risk factors
Text added vs the prior filing · source: 10-Q · 2026-04-30
An investment in Martin Marietta common stock or debt securities involves risks and uncertainties. You should consider the following factors carefully, in addition to the other information contained in this Form 10-Q and in our Annual Report on Form 10-K for the year ended December 31, 2025, before …
This Form 10-Q and other written reports and oral statements made from time to time by the Company contain statements that, to the extent they are not recitations of historical fact, constitute forward-looking statements within the meaning of federal securities law. Investors are cautioned that all …
Statements and assumptions on future revenues, income and cash flows, performance, economic trends, the outcome of litigation, regulatory compliance, and environmental remediation cost estimates are examples of forward-looking statements. Numerous factors, including potentially the risk factors desc…
Investors are also cautioned that it is not possible to predict or identify all such factors. Consequently, the reader should not consider these risk factors to be a complete statement of all potential risks or uncertainties. Other factors besides those set forth herein may adversely affect the Comp…
For a discussion identifying some important factors that could cause actual results to vary materially from those anticipated in the forward-looking statements, see the factors listed below, along with Management’s Discussion and Analysis of Financial Condition and Results of Operations under Item 2…
Text removed vs the prior filing · source: 10-Q · 2025-11-04
Reference is made to Part I. Item 1A. Risk Factors and Forward-Looking Statements of the Martin Marietta Annual Report on Form 10-K for the year ended December 31, 2024.
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice