NAPCO SECURITY TECHNOLOGIES, INC (NSSC) Spending and interest coverage
- R&D / revenue · 12 months: Value 6.82%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 0.49%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- 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 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | 6.82% | Research and development expense / revenue. Period ending 2026-06-30. $13.79M ÷ $202.32M × 100 ≈ 6.82% |
| Stock-based compensation / revenue · 12 months | 0.49% | Share-based compensation / revenue. Period ending 2026-06-30. $989.00K ÷ $202.32M × 100 ≈ 0.49% |
| 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 | 13.79M USD | Research and Development Expense |
| Revenue | 202.32M USD | |
| Stock-based compensation | 989.00K USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 45.64M 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $13.79M | $202.32M | $989.00K | $45.64M | (m) | 6.82% | 0.49% | (m) | (m) |
| 2026-03-31 | $13.36M | $197.23M | $1.15M | $39.29M | (m) | 6.78% | 0.59% | (m) | (m) |
| 2025-12-31 | $13.13M | $192.03M | $1.25M | $51.63M | (m) | 6.84% | 0.65% | (m) | (m) |
| 2025-09-30 | $12.76M | $186.79M | $1.45M | $48.05M | (m) | 6.83% | 0.78% | (m) | (m) |
| 2025-06-30 | $12.58M | $181.62M | $1.51M | $46.26M | (m) | 6.93% | 0.83% | (m) | (m) |
| 2025-03-31 | $12.38M | $181.23M | $2.00M | $48.14M | (m) | 6.83% | 1.10% | (m) | (m) |
| 2024-12-31 | $11.95M | $186.53M | $1.88M | $51.48M | (m) | 6.41% | 1.01% | (m) | (m) |
| 2024-09-30 | $11.38M | $191.15M | $1.80M | $54.12M | (m) | 5.96% | 0.94% | (m) | (m) |
| 2024-06-30 | $10.76M | $188.82M | $1.73M | $53.82M | (m) | 5.70% | 0.92% | (m) | (m) |
| 2024-03-31 | $10.10M | $183.15M | $1.21M | $51.66M | (m) | 5.51% | 0.66% | (m) | (m) |
| 2023-12-31 | $9.66M | $177.41M | $1.26M | $47.71M | (m) | 5.44% | 0.71% | (m) | (m) |
| 2023-09-30 | $9.34M | $172.18M | $1.29M | $38.23M | (m) | 5.42% | 0.75% | (m) | (m) |
| 2023-06-30 | $9.33M | $170.00M | $1.46M | $30.32M | (m) | 5.49% | 0.86% | (m) | (m) |
| 2023-03-31 | $9.07M | $168.57M | $1.40M | $36.81M | (m) | 5.38% | 0.83% | (m) | (m) |
| 2022-12-31 | $8.77M | $160.94M | $1.12M | $29.46M | (m) | 5.45% | 0.69% | (m) | (m) |
| 2022-09-30 | $8.52M | $152.03M | $2.04M | $21.30M | (m) | 5.60% | 1.34% | (m) | (m) |
| 2022-06-30 | $8.02M | $143.59M | $1.65M | $18.23M | (m) | 5.59% | 1.15% | (m) | (m) |
| 2022-03-31 | $7.86M | $135.79M | $1.54M | $16.61M | (m) | 5.79% | 1.14% | (m) | (m) |
| 2021-12-31 | $7.76M | $128.12M | $1.59M | $16.46M | (m) | 6.05% | 1.24% | (m) | (m) |
| 2021-09-30 | $7.66M | $121.91M | $420.00K | $18.86M | (m) | 6.28% | 0.34% | (m) | (m) |
| 2021-06-30 | $7.62M | $114.03M | $435.00K | $17.34M | (m) | 6.68% | 0.38% | (m) | (m) |
| 2021-03-31 | $7.54M | $101.61M | $358.00K | $10.52M | (m) | 7.43% | 0.35% | (m) | (m) |
| 2020-12-31 | $7.46M | $99.62M | $446.00K | $9.53M | (m) | 7.49% | 0.45% | (m) | (m) |
| 2020-09-30 | $7.40M | $98.25M | $670.00K | $9.86M | (m) | 7.53% | 0.68% | (m) | (m) |
| 2020-06-30 | $7.26M | $101.36M | $583.00K | $10.81M | (m) | 7.16% | 0.58% | (m) | (m) |
| 2020-03-31 | $7.24M | $107.94M | $505.00K | $16.41M | (m) | 6.71% | 0.47% | (m) | (m) |
| 2019-12-31 | $7.28M | $106.84M | $333.00K | $16.02M | (m) | 6.81% | 0.31% | (m) | (m) |
| 2019-09-30 | $7.22M | $105.84M | $172.00K | $15.32M | $21.00K | 6.82% | 0.16% | 729.33× | Reported |
| 2019-06-30 | $7.21M | $102.93M | $160.00K | $13.47M | $21.00K | 7.01% | 0.16% | 641.24× | Reported |
| 2019-03-31 | $7.07M | $100.61M | $157.00K | $12.98M | $32.00K | 7.03% | 0.16% | 405.53× | Reported |
| 2018-12-31 | $6.89M | $97.67M | $162.00K | $11.24M | $46.00K | 7.06% | 0.17% | 244.39× | Reported |
| 2018-09-30 | $6.77M | $93.95M | $118.00K | $9.11M | $62.00K | 7.20% | 0.13% | 147.00× | Reported |
| 2018-06-30 | $6.63M | $91.75M | $146.00K | $8.41M | $81.00K | 7.23% | 0.16% | 103.88× | Reported |
| 2018-03-31 | (m) | $90.17M | $146.00K | $7.60M | $91.00K | (m) | 0.16% | 83.51× | Reported |
| 2017-12-31 | (m) | $88.78M | $140.00K | $6.82M | $89.00K | (m) | 0.16% | 76.66× | Reported |
| 2017-09-30 | (m) | $88.38M | $102.00K | $6.72M | $85.00K | (m) | 0.12% | 79.07× | Reported |
| 2017-06-30 | (m) | $87.37M | $102.00K | $6.38M | $83.00K | (m) | 0.12% | 76.84× | Reported |
| 2017-03-31 | (m) | $85.75M | $108.00K | $6.68M | $99.00K | (m) | 0.13% | 67.49× | Reported |
| 2016-12-31 | (m) | $84.75M | $109.00K | $6.76M | $127.00K | (m) | 0.13% | 53.23× | Reported |
| 2016-09-30 | (m) | $84.53M | $104.00K | $6.71M | $150.00K | (m) | 0.12% | 44.77× | Reported |
| 2016-06-30 | (m) | $82.51M | $103.00K | $6.32M | $179.00K | (m) | 0.12% | 35.32× | Reported |
| 2016-03-31 | (m) | $81.42M | $92.00K | $6.03M | $193.00K | (m) | 0.11% | 31.24× | Reported |
| 2015-12-31 | (m) | $79.50M | $92.00K | $5.29M | $200.00K | (m) | 0.12% | 26.45× | Reported |
| 2015-09-30 | (m) | $78.58M | $100.00K | $5.36M | $209.00K | (m) | 0.13% | 25.64× | Reported |
| 2015-06-30 | (m) | $77.76M | $101.00K | $5.28M | $215.00K | (m) | 0.13% | 24.56× | Reported |
| 2015-03-31 | (m) | $76.32M | $160.00K | $4.64M | $217.00K | (m) | 0.21% | 21.39× | Reported |
| 2014-12-31 | (m) | $75.70M | $170.00K | $4.91M | $225.00K | (m) | 0.22% | 21.84× | Reported |
| 2014-09-30 | (m) | $74.48M | $108.00K | $4.32M | $251.00K | (m) | 0.15% | 17.22× | Reported |
| 2014-06-30 | (m) | $74.38M | $76.00K | $4.32M | $295.00K | (m) | 0.10% | 14.63× | Reported |
| 2014-03-31 | (m) | $74.66M | (m) | $5.13M | $426.00K | (m) | (m) | 12.04× | Reported |
| 2013-12-31 | (m) | $74.55M | (m) | $4.64M | $487.00K | (m) | (m) | 9.52× | Reported |
| 2013-09-30 | (m) | $73.41M | (m) | $4.46M | $518.00K | (m) | (m) | 8.60× | Reported |
| 2013-06-30 | (m) | $71.39M | (m) | $3.80M | $574.00K | (m) | (m) | 6.61× | Reported |
| 2013-03-31 | (m) | $69.46M | (m) | $2.58M | $700.00K | (m) | (m) | 3.69× | Reported |
| 2012-12-31 | (m) | $69.54M | (m) | $3.01M | $865.00K | (m) | (m) | 3.48× | Reported |
| 2012-09-30 | (m) | $69.94M | (m) | $3.55M | $1.02M | (m) | (m) | 3.48× | Reported |
| 2012-06-30 | (m) | $70.93M | $8.00K | $3.81M | $1.15M | (m) | 0.01% | 3.32× | Reported |
| 2012-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | $71.39M | $66.00K | $2.51M | $1.66M | (m) | 0.09% | 1.51× | Reported |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
(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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