AmpliTech Group, Inc. (AMPG) Spending and interest coverage
- R&D / revenue · 12 months: Value 13.20%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 7.81%; 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 | 13.20% | Research and development expense / revenue. Period ending 2026-06-30. $3.17M ÷ $23.99M × 100 ≈ 13.20% |
| Stock-based compensation / revenue · 12 months | 7.81% | Share-based compensation / revenue. Period ending 2026-06-30. $1.87M ÷ $23.99M × 100 ≈ 7.81% |
| 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 | 3.17M USD | Research and Development Expense |
| Revenue | 23.99M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 1.87M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | -8.32M 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 | $3.17M | $23.99M | $1.87M | $-8.32M | (m) | 13.20% | 7.81% | (m) | (m) |
| 2026-03-31 | $2.45M | $26.95M | $1.05M | $-7.05M | (m) | 9.09% | 3.90% | (m) | (m) |
| 2025-12-31 | $2.69M | $25.20M | $544.19K | $-7.32M | (m) | 10.67% | 2.16% | (m) | (m) |
| 2025-09-30 | $4.38M | $22.57M | $503.61K | $-8.38M | (m) | 19.40% | 2.23% | (m) | (m) |
| 2025-06-30 | $4.25M | $19.31M | $505.86K | $-9.25M | (m) | 22.02% | 2.62% | (m) | (m) |
| 2025-03-31 | $4.05M | $10.81M | $504.21K | $-8.89M | (m) | 37.48% | 4.66% | (m) | (m) |
| 2024-12-31 | $3.59M | $9.51M | $517.78K | $-8.43M | (m) | 37.76% | 5.45% | (m) | (m) |
| 2024-09-30 | $2.01M | $11.67M | $438.95K | $-4.61M | (m) | 17.21% | 3.76% | (m) | (m) |
| 2024-06-30 | $1.86M | $12.22M | $494.11K | $-4.45M | (m) | 15.23% | 4.04% | (m) | (m) |
| 2024-03-31 | $2.27M | $13.77M | $462.27K | $-3.39M | (m) | 16.49% | 3.36% | (m) | (m) |
| 2023-12-31 | $2.34M | $15.58M | $389.66K | $-2.58M | (m) | 15.03% | 2.50% | (m) | (m) |
| 2023-09-30 | $1.86M | $15.85M | $333.03K | (m) | (m) | 11.71% | 2.10% | (m) | (m) |
| 2023-06-30 | $1.65M | $17.90M | $247.83K | (m) | (m) | 9.24% | 1.38% | (m) | (m) |
| 2023-03-31 | $959.55K | $18.41M | $420.22K | (m) | (m) | 5.21% | 2.28% | (m) | (m) |
| 2022-12-31 | $1.02M | $19.39M | $399.13K | (m) | $13.01K | 5.28% | 2.06% | (m) | Reported |
| 2022-09-30 | $2.61M | $17.84M | $918.01K | $-2.78M | $30.28K | 14.61% | 5.15% | -91.84× | Reported |
| 2022-06-30 | $2.36M | $13.46M | $879.70K | $-3.90M | (m) | 17.53% | 6.53% | (m) | (m) |
| 2022-03-31 | $2.24M | $9.90M | $776.92K | $-4.24M | $45.46K | 22.62% | 7.85% | -93.33× | Reported |
| 2021-12-31 | $1.83M | $5.28M | $785.98K | $-5.11M | $42.81K | 34.75% | 14.90% | -119.27× | Reported |
| 2021-09-30 | $60.01K | $3.44M | $304.66K | $-2.53M | (m) | 1.74% | 8.84% | (m) | (m) |
| 2021-06-30 | $101.20K | $3.54M | $293.78K | $-1.95M | (m) | 2.86% | 8.30% | (m) | (m) |
| 2021-03-31 | $49.16K | $3.18M | $171.08K | $-1.47M | $24.66K | 1.55% | 5.39% | -59.61× | Reported |
| 2020-12-31 | $61.95K | $3.46M | $128.93K | $-915.95K | $25.54K | 1.79% | 3.73% | -35.87× | Reported |
| 2020-09-30 | $49.33K | $3.67M | $37.80K | $-402.53K | $59.60K | 1.34% | 1.03% | -6.75× | Reported |
| 2020-06-30 | $52.85K | $3.23M | $91.95K | $-575.45K | $13.78K | 1.64% | 2.85% | -41.76× | Reported |
| 2020-03-31 | $58.90K | $3.20M | $129.87K | $-299.90K | $17.79K | 1.84% | 4.06% | -16.86× | Reported |
| 2019-12-31 | $56.51K | $3.12M | $118.02K | $82.00K | $17.02K | 1.81% | 3.78% | 4.82× | Reported |
| 2019-09-30 | $59.83K | $2.84M | (m) | $225.58K | $-3.84K | 2.11% | (m) | (m) | Reported |
| 2019-06-30 | $49.89K | $2.66M | (m) | $364.94K | $22.95K | 1.88% | (m) | 15.90× | Reported |
| 2019-03-31 | $53.44K | $2.65M | (m) | $379.85K | $14.83K | 2.02% | (m) | 25.62× | Reported |
| 2018-12-31 | $42.94K | $2.40M | (m) | $341.42K | $12.43K | 1.79% | (m) | 27.47× | Reported |
| 2018-09-30 | $43.19K | $1.91M | (m) | $113.95K | $10.06K | 2.26% | (m) | 11.33× | Reported |
| 2018-06-30 | (m) | $1.67M | (m) | $49.28K | $6.54K | (m) | (m) | 7.53× | Reported |
| 2018-03-31 | (m) | $1.35M | (m) | $-81.87K | $6.07K | (m) | (m) | -13.49× | Reported |
| 2017-12-31 | $68.45K | $1.38M | (m) | $-90.10K | $6.95K | 4.96% | (m) | -12.96× | Reported |
| 2017-09-30 | (m) | $1.71M | (m) | $147.59K | $8.33K | (m) | (m) | 17.72× | Reported |
| 2017-06-30 | (m) | $2.15M | (m) | $428.76K | $11.57K | (m) | (m) | 37.06× | Reported |
| 2017-03-31 | (m) | $2.35M | (m) | $645.49K | $14.32K | (m) | (m) | 45.07× | Reported |
| 2016-12-31 | (m) | $2.04M | (m) | $471.92K | $15.63K | (m) | (m) | 30.20× | Reported |
| 2016-09-30 | (m) | (m) | (m) | $253.52K | $22.20K | (m) | (m) | 11.42× | Reported |
| 2016-06-30 | (m) | (m) | (m) | $48.95K | $25.62K | (m) | (m) | 1.91× | Reported |
| 2016-03-31 | (m) | (m) | (m) | $-91.70K | $30.27K | (m) | (m) | -3.03× | Reported |
| 2015-12-31 | (m) | (m) | (m) | $86.58K | $36.53K | (m) | (m) | 2.37× | Reported |
| 2015-09-30 | (m) | (m) | (m) | $67.87K | $58.15K | (m) | (m) | 1.17× | Reported |
| 2015-06-30 | (m) | (m) | (m) | $4.51K | $93.36K | (m) | (m) | 0.05× | Reported |
| 2015-03-31 | (m) | (m) | (m) | $4.22K | $156.67K | (m) | (m) | 0.03× | Reported |
| 2014-12-31 | (m) | (m) | $501.20K | $-70.83K | $200.12K | (m) | (m) | -0.35× | Reported |
| 2014-09-30 | (m) | (m) | (m) | $-32.11K | $192.96K | (m) | (m) | -0.17× | Reported |
| 2014-06-30 | (m) | (m) | (m) | $70.16K | $177.02K | (m) | (m) | 0.40× | Reported |
| 2014-03-31 | (m) | (m) | (m) | $-77.25K | $123.19K | (m) | (m) | -0.63× | Reported |
| 2013-12-31 | (m) | (m) | (m) | $-11.63K | $85.77K | (m) | (m) | -0.14× | Reported |
| 2013-09-30 | (m) | (m) | (m) | $-146.33K | $-83.81K | (m) | (m) | (m) | Reported |
| 2013-06-30 | (m) | (m) | (m) | $-309.40K | $-75.62K | (m) | (m) | (m) | Reported |
| 2013-03-31 | (m) | (m) | (m) | $-119.20K | $-74.99K | (m) | (m) | (m) | Reported |
| 2012-12-31 | (m) | (m) | (m) | $-116.42K | $-76.57K | (m) | (m) | (m) | Reported |
| 2012-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2012-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2012-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-12-31 | (m) | (m) | (m) | $78.88K | $-58.34K | (m) | (m) | (m) | Reported |
| 2011-09-30 | (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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