CARPARTS.COM, INC. (PRTS) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-07-04..
- Stock-based compensation / revenue · 12 months: Value 1.01%; Formula and calculation Share-based compensation / revenue. Period ending 2026-07-04..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-07-04; 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 2026-07-04. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 1.01% | Share-based compensation / revenue. Period ending 2026-07-04. $5.21M ÷ $515.80M × 100 ≈ 1.01% |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 515.80M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 5.21M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | -27.59M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: (m). 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-04 | (m) | $515.80M | $5.21M | $-27.59M | (m) | (m) | 1.01% | (m) | (m) |
| 2026-04-04 | (m) | $532.11M | $6.89M | $-36.78M | (m) | (m) | 1.30% | (m) | (m) |
| 2026-01-03 | (m) | $547.52M | $8.11M | $-48.88M | (m) | (m) | 1.48% | (m) | (m) |
| 2025-09-27 | (m) | $560.63M | $10.45M | $-53.07M | (m) | (m) | 1.86% | (m) | (m) |
| 2025-06-28 | (m) | $577.61M | $11.22M | $-52.95M | (m) | (m) | 1.94% | (m) | (m) |
| 2025-03-29 | (m) | $569.93M | $12.28M | $-49.26M | (m) | (m) | 2.15% | (m) | (m) |
| 2024-12-28 | (m) | $588.85M | $11.98M | $-40.63M | (m) | (m) | 2.04% | (m) | (m) |
| 2024-09-28 | (m) | (m) | $12.48M | $-31.92M | (m) | (m) | (m) | (m) | (m) |
| 2024-06-29 | (m) | (m) | $10.89M | $-24.92M | (m) | (m) | (m) | (m) | (m) |
| 2024-03-30 | (m) | (m) | $10.36M | $-17.03M | $1.34M | (m) | (m) | -12.75× | Reported |
| 2023-12-30 | (m) | (m) | $11.68M | $-9.88M | $1.39M | (m) | (m) | -7.09× | Reported |
| 2023-09-30 | (m) | (m) | $11.67M | $-8.57M | $1.41M | (m) | (m) | -6.09× | Reported |
| 2023-07-01 | (m) | (m) | $13.49M | $-6.24M | $1.48M | (m) | (m) | -4.21× | Reported |
| 2023-04-01 | (m) | (m) | $11.20M | $-1.10M | $1.50M | (m) | (m) | -0.73× | Reported |
| 2022-12-31 | (m) | (m) | $11.30M | $651.00K | $1.44M | (m) | (m) | 0.45× | Reported |
| 2022-10-01 | (m) | (m) | $12.19M | $1.49M | $1.36M | (m) | (m) | 1.09× | Reported |
| 2022-07-02 | (m) | (m) | $12.91M | $-2.27M | $1.24M | (m) | (m) | -1.83× | Reported |
| 2022-04-02 | (m) | (m) | $16.10M | $-4.22M | $1.16M | (m) | (m) | -3.65× | Reported |
| 2022-01-01 | (m) | (m) | $15.69M | $-9.11M | $1.11M | (m) | (m) | -8.17× | Reported |
| 2021-10-02 | (m) | (m) | $13.06M | $-7.76M | $1.08M | (m) | (m) | -7.19× | Reported |
| 2021-07-03 | (m) | (m) | $10.66M | $-1.69M | $1.08M | (m) | (m) | -1.57× | Reported |
| 2021-04-03 | (m) | (m) | $8.69M | $-1.85M | $1.30M | (m) | (m) | -1.42× | Reported |
| 2021-01-02 | (m) | (m) | $7.78M | $295.00K | $1.71M | (m) | (m) | 0.17× | Reported |
| 2020-09-26 | (m) | (m) | $7.69M | $1.41M | $1.95M | (m) | (m) | 0.73× | Reported |
| 2020-06-27 | (m) | (m) | $6.88M | $-1.78M | $2.15M | (m) | (m) | -0.82× | Reported |
| 2020-03-28 | (m) | (m) | $5.77M | $-5.16M | $2.15M | (m) | (m) | -2.40× | Reported |
| 2019-12-28 | (m) | (m) | $3.66M | $-8.25M | $1.90M | (m) | (m) | -4.35× | Reported |
| 2019-09-28 | (m) | (m) | $3.85M | $-10.80M | $1.79M | (m) | (m) | -6.03× | Reported |
| 2019-06-29 | (m) | (m) | $3.62M | $-10.55M | $1.64M | (m) | (m) | -6.44× | Reported |
| 2019-03-30 | (m) | (m) | $3.17M | $-9.82M | $1.58M | (m) | (m) | -6.23× | Reported |
| 2018-12-29 | (m) | (m) | $3.60M | $-5.01M | $1.60M | (m) | (m) | -3.13× | Reported |
| 2018-09-29 | (m) | $293.34M | $2.35M | $2.11M | $1.63M | (m) | 0.80% | 1.30× | Reported |
| 2018-06-30 | (m) | $297.68M | $2.35M | $4.02M | $1.66M | (m) | 0.79% | 2.42× | Reported |
| 2018-03-31 | (m) | $300.92M | $2.73M | $5.04M | $1.71M | (m) | 0.91% | 2.95× | Reported |
| 2017-12-30 | (m) | $303.37M | $2.84M | $4.63M | $1.66M | (m) | 0.94% | 2.80× | Reported |
| 2017-09-30 | (m) | $306.22M | $2.85M | $317.00K | $1.60M | (m) | 0.93% | 0.20× | Reported |
| 2017-07-01 | (m) | $305.87M | $3.10M | $-376.00K | $1.49M | (m) | 1.01% | -0.25× | Reported |
| 2017-04-01 | (m) | $303.66M | $3.42M | $-316.00K | $1.27M | (m) | 1.13% | -0.25× | Reported |
| 2016-12-31 | (m) | $303.57M | $3.13M | $390.00K | $1.24M | (m) | 1.03% | 0.32× | Reported |
| 2016-10-01 | (m) | $299.97M | $3.17M | $1.25M | $1.18M | (m) | 1.06% | 1.06× | Reported |
| 2016-07-02 | (m) | $297.10M | $2.98M | $1.12M | $1.17M | (m) | 1.00% | 0.96× | Reported |
| 2016-04-02 | (m) | $295.51M | $2.71M | $-855.00K | $1.19M | (m) | 0.92% | -0.72× | Reported |
| 2016-01-02 | (m) | $291.09M | $2.42M | $-2.06M | $1.22M | (m) | 0.83% | -1.69× | Reported |
| 2015-10-03 | (m) | $294.07M | $2.41M | $-3.60M | $1.24M | (m) | 0.82% | -2.90× | Reported |
| 2015-07-04 | (m) | $291.38M | $2.47M | $-5.59M | $1.25M | (m) | 0.85% | -4.48× | Reported |
| 2015-04-04 | (m) | $291.87M | $2.50M | $-6.42M | $1.22M | (m) | 0.86% | -5.29× | Reported |
| 2015-01-03 | (m) | $283.51M | $2.37M | $-5.91M | $1.10M | (m) | 0.84% | -5.37× | Reported |
| 2014-09-27 | (m) | $272.68M | $1.89M | $-4.70M | $1.05M | (m) | 0.69% | -4.46× | Reported |
| 2014-06-28 | (m) | $266.43M | $1.52M | $-3.73M | $1.05M | (m) | 0.57% | -3.54× | Reported |
| 2014-03-29 | (m) | $257.38M | $1.23M | $-11.13M | $1.04M | (m) | 0.48% | -10.66× | Reported |
| 2013-12-28 | (m) | $254.75M | $1.26M | $-14.77M | $972.00K | (m) | 0.50% | -15.19× | Reported |
| 2013-09-28 | (m) | $257.87M | $1.33M | $-45.45M | $976.00K | (m) | 0.52% | -46.57× | Reported |
| 2013-06-29 | (m) | $269.16M | $1.47M | $-46.76M | $810.00K | (m) | 0.54% | -57.72× | Reported |
| 2013-03-30 | (m) | $281.99M | $1.50M | $-38.45M | $763.00K | (m) | 0.53% | -50.39× | Reported |
| 2012-12-29 | (m) | $304.02M | $1.67M | $-35.79M | $785.00K | (m) | 0.55% | -45.59× | Reported |
| 2012-09-29 | (m) | $318.40M | $2.07M | $-12.64M | $771.00K | (m) | 0.65% | -16.39× | Reported |
| 2012-06-30 | (m) | $323.98M | $2.24M | $-15.30M | $941.00K | (m) | 0.69% | -16.26× | Reported |
| 2012-03-31 | (m) | $327.53M | $2.51M | $-16.50M | $946.00K | (m) | 0.77% | -17.45× | Reported |
| 2011-12-31 | (m) | $327.07M | $2.61M | $-15.99M | $1.02M | (m) | 0.80% | -15.71× | Reported |
| 2011-10-01 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-07-02 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-04-02 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-01-01 | (m) | $262.28M | $2.74M | $-1.43M | $471.00K | (m) | 1.05% | -3.03× | Reported |
| 2010-10-02 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-07-03 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-01-02 | (m) | $176.29M | $3.27M | $4.25M | $-189.00K | (m) | 1.85% | (m) | 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.
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