Quick Answer
NEWMARKET CORP reported Long-Term Debt of $883.39 million for fiscal year 2025.
NEWMARKET CORP Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $883.39M | -9.0% |
| 2024 | $971.28M | +50.9% |
| 2023 | $643.62M | -35.9% |
| 2022 | $1.00B | +27.1% |
| 2021 | $789.85M | +31.9% |
| 2020 | $598.85M | -6.9% |
| 2019 | $642.94M | +30.0% |
| 2015 | $494.59M | +36.1% |
| 2014 | $363.53M | +4.0% |
| 2013 | $349.47M | -17.7% |
| 2012 | $424.41M | +82.5% |
| 2011 | $232.60M | +6.9% |
| 2010 | $217.54M | +0.6% |
| 2009 | $216.20M | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $783.10M | -27.8% | -7.0% |
| June 30, 2025 | $841.83M | -28.2% | -15.0% |
| March 31, 2025 | $990.55M | -22.6% | +2.0% |
| December 31, 2024 | $971.28M | +50.9% | -10.5% |
| September 30, 2024 | $1.09B | +39.2% | -7.5% |
| June 30, 2024 | $1.17B | +28.0% | -8.3% |
| March 31, 2024 | $1.28B | +33.6% | +98.8% |
| December 31, 2023 | $643.62M | -35.9% | -17.4% |
- NEWMARKET CORP showed a decrease of -9.0% in Long-Term Debt compared to the prior fiscal year.
- Over the 2009–2025 period, NEWMARKET CORP’s long-term debt has grown by 308.6% (from $216.20 million to $883.39 million).
- The most recent figure is from NEWMARKET CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 12, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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