MLM · 10-Q · 2026Q3 · Full report
Income Tax Rate Changes
MARTIN MARIETTA MATERIALS INC · 2026-11-04 · Importance 33 · Surprise 50 · In source text
The effective income tax rate for continuing operations was 21.2% for the nine months ended September 30, 2026, compared with 20.0% in the prior-year period. The nine-month 2026 net earnings comparison included an after-tax charge related to revaluation of deferred tax liabilities following changes in the state jurisdictional mix after the QUIKRETE transaction. Operating cash flow in the first nine months of 2026 also reflected higher income tax payments related to the gain on the QUIKRETE transaction.
Key facts
- Martin Marietta’s nine-month 2026 effective tax rate of 21.2% was affected by revaluation of deferred tax liabilities following the QUIKRETE transaction, driven by changes in state jurisdictional business mix. source
- For the nine months ended September 30, 2026, Martin Marietta’s effective income tax rate for continuing operations was 21.2%, compared with 20.0% in 2025. source
Impact estimates
| metric | direction | stage | expected | basis |
|---|---|---|---|---|
| net_income | negative | realized | — | For the nine months ended September 30, 2026, Martin Marietta’s effective income tax rate for continuing operations was 21.2%, compared… |