RUSH ENTERPRISES, INC. (RUSHB) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 0.45%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value 10.25×; Formula and calculation Operating income ÷ reported interest expense..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 0.45% | Share-based compensation / revenue. Period ending 2026-06-30. $31.06M ÷ $6.86B × 100 ≈ 0.45% |
| Interest coverage · 12 months | 10.25× | Operating income ÷ reported interest expense. $371.07M ÷ $36.19M ≈ 10.25× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | Research and Development Expense |
| Revenue | 6.86B USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 31.06M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 371.07M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | 36.19M USD | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: Reported. Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $6.86B | $31.06M | $371.07M | $36.19M | (m) | 0.45% | 10.25× | Reported |
| 2026-03-31 | (m) | $6.90B | $32.55M | $384.09M | $42.04M | (m) | 0.47% | 9.14× | Reported |
| 2025-12-31 | (m) | $7.06B | $31.73M | $393.76M | $48.15M | (m) | 0.45% | 8.18× | Reported |
| 2025-09-30 | (m) | $7.30B | $32.27M | $414.35M | $54.86M | (m) | 0.44% | 7.55× | Reported |
| 2025-06-30 | (m) | $7.32B | $32.75M | $435.07M | $60.67M | (m) | 0.45% | 7.17× | Reported |
| 2025-03-31 | (m) | $7.43B | $29.97M | $449.35M | (m) | (m) | 0.40% | (m) | (m) |
| 2024-12-31 | (m) | $7.45B | $30.35M | $468.09M | $72.02M | (m) | 0.41% | 6.50× | Reported |
| 2024-09-30 | (m) | $7.47B | $29.95M | $475.97M | (m) | (m) | 0.40% | (m) | (m) |
| 2024-06-30 | (m) | $7.56B | $30.93M | $476.84M | (m) | (m) | 0.41% | (m) | (m) |
| 2024-03-31 | (m) | $7.53B | $31.36M | $495.21M | $60.68M | (m) | 0.42% | 8.16× | Reported |
| 2023-12-31 | (m) | $7.57B | $30.35M | $512.38M | $53.69M | (m) | 0.40% | 9.54× | Reported |
| 2023-09-30 | (m) | $7.43B | $29.06M | $528.81M | $46.52M | (m) | 0.39% | 11.37× | Reported |
| 2023-06-30 | (m) | $7.32B | $26.35M | $534.23M | $38.60M | (m) | 0.36% | 13.84× | Reported |
| 2023-03-31 | (m) | $7.11B | $24.60M | $526.39M | $29.53M | (m) | 0.35% | 17.83× | Reported |
| 2022-12-31 | (m) | $6.78B | $25.32M | $506.11M | $19.76M | (m) | 0.37% | 25.61× | Reported |
| 2022-09-30 | (m) | $6.23B | $25.45M | $459.41M | $12.52M | (m) | 0.41% | 36.69× | Reported |
| 2022-06-30 | (m) | $5.65B | $25.04M | $422.54M | (m) | (m) | 0.44% | (m) | (m) |
| 2022-03-31 | (m) | $5.20B | $24.52M | $360.31M | $3.14M | (m) | 0.47% | 114.78× | Reported |
| 2021-12-31 | (m) | $4.88B | $22.25M | $309.04M | $2.43M | (m) | 0.46% | 127.33× | Reported |
| 2021-09-30 | (m) | $4.84B | $22.24M | $272.72M | (m) | (m) | 0.46% | (m) | (m) |
| 2021-06-30 | (m) | $4.76B | $22.42M | $225.42M | (m) | (m) | 0.47% | (m) | (m) |
| 2021-03-31 | (m) | $4.45B | $22.32M | $175.63M | $5.46M | (m) | 0.50% | 32.14× | Reported |
| 2020-12-31 | (m) | $4.50B | $19.36M | $154.60M | $9.73M | (m) | 0.43% | 15.89× | Reported |
| 2020-09-30 | (m) | $4.55B | $18.66M | $140.49M | $15.40M | (m) | 0.41% | 9.12× | Reported |
| 2020-06-30 | (m) | $4.96B | $18.05M | $155.94M | $22.04M | (m) | 0.36% | 7.08× | Reported |
| 2020-03-31 | (m) | $5.50B | $18.72M | $194.74M | $27.90M | (m) | 0.34% | 6.98× | Reported |
| 2019-12-31 | (m) | $5.56B | $19.00M | $216.41M | $30.49M | (m) | 0.34% | 7.10× | Reported |
| 2019-09-30 | (m) | $5.79B | $18.01M | $245.37M | $30.91M | (m) | 0.31% | 7.94× | Reported |
| 2019-06-30 | (m) | $5.57B | $17.31M | $245.69M | $27.69M | (m) | 0.31% | 8.87× | Reported |
| 2019-03-31 | (m) | $5.37B | $19.00M | $227.33M | $24.11M | (m) | 0.35% | 9.43× | Reported |
| 2018-12-31 | (m) | $5.27B | $18.06M | $202.85M | $21.06M | (m) | 0.34% | 9.63× | Reported |
| 2018-09-30 | (m) | (m) | $19.42M | $172.48M | $17.75M | (m) | (m) | 9.72× | Reported |
| 2018-06-30 | (m) | (m) | $20.79M | $162.27M | $16.39M | (m) | (m) | 9.90× | Reported |
| 2018-03-31 | (m) | (m) | $18.74M | $156.25M | $14.72M | (m) | (m) | 10.62× | Reported |
| 2017-12-31 | (m) | (m) | $15.61M | $148.71M | $13.20M | (m) | (m) | 11.26× | Reported |
| 2017-09-30 | (m) | (m) | $15.48M | $134.08M | (m) | (m) | (m) | (m) | (m) |
| 2017-06-30 | (m) | (m) | $14.79M | $113.23M | (m) | (m) | (m) | (m) | (m) |
| 2017-03-31 | (m) | (m) | $14.04M | $97.40M | (m) | (m) | (m) | (m) | (m) |
| 2016-12-31 | (m) | (m) | $12.88M | $80.73M | $14.90M | (m) | (m) | 5.42× | Reported |
| 2016-09-30 | (m) | (m) | $11.92M | $76.70M | $15.14M | (m) | (m) | 5.06× | Reported |
| 2016-06-30 | (m) | (m) | $11.91M | $85.14M | $15.43M | (m) | (m) | 5.52× | Reported |
| 2016-03-31 | (m) | (m) | $12.28M | $99.13M | $15.26M | (m) | (m) | 6.50× | Reported |
| 2015-12-31 | (m) | (m) | $12.38M | $121.28M | $13.96M | (m) | (m) | 8.69× | Reported |
| 2015-09-30 | (m) | (m) | $12.11M | $144.96M | (m) | (m) | (m) | (m) | (m) |
| 2015-06-30 | (m) | (m) | $11.49M | $149.95M | (m) | (m) | (m) | (m) | (m) |
| 2015-03-31 | (m) | $4.96B | $11.77M | $149.32M | (m) | (m) | 0.24% | (m) | (m) |
| 2014-12-31 | $2.00M | $4.73B | $11.34M | $141.74M | $11.44M | 0.04% | 0.24% | 12.39× | Reported |
| 2014-09-30 | (m) | $4.31B | $10.80M | $126.18M | (m) | (m) | 0.25% | (m) | (m) |
| 2014-06-30 | (m) | $3.98B | $10.21M | $113.03M | (m) | (m) | 0.26% | (m) | (m) |
| 2014-03-31 | (m) | $3.59B | $8.66M | $89.89M | (m) | (m) | 0.24% | (m) | (m) |
| 2013-12-31 | (m) | $3.38B | $8.64M | $91.75M | $10.73M | (m) | 0.26% | 8.55× | Reported |
| 2013-09-30 | (m) | $3.19B | $8.26M | $89.50M | $13.10M | (m) | 0.26% | 6.83× | Reported |
| 2013-06-30 | (m) | $3.02B | $8.05M | $89.26M | $13.08M | (m) | 0.27% | 6.83× | Reported |
| 2013-03-31 | (m) | $3.07B | $7.46M | $109.43M | (m) | (m) | 0.24% | (m) | (m) |
| 2012-12-31 | (m) | $3.09B | $7.33M | $114.20M | $13.04M | (m) | 0.24% | 8.76× | Reported |
| 2012-09-30 | (m) | $3.13B | $6.97M | $123.37M | (m) | (m) | 0.22% | (m) | (m) |
| 2012-06-30 | (m) | $3.09B | $6.61M | $124.07M | (m) | (m) | 0.21% | (m) | (m) |
| 2012-03-31 | (m) | $2.91B | $6.24M | $113.90M | (m) | (m) | 0.21% | (m) | (m) |
| 2011-12-31 | (m) | $2.58B | $5.68M | $97.34M | $7.18M | (m) | 0.22% | 13.55× | Reported |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | $1.50B | $4.47M | $41.67M | $5.49M | (m) | 0.30% | 7.59× | Reported |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | (m) | $1.20B | $3.66M | $7.62M | $5.75M | (m) | 0.31% | 1.32× | Reported |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.