Knowles Corporation (KN) Spending and interest coverage
- R&D / revenue · 12 months: Value 6.87%; Formula and calculation Research and development expense / revenue. Period ending 2026-03-31..
- Stock-based compensation / revenue · 12 months: Value 4.66%; Formula and calculation Share-based compensation / revenue. Period ending 2026-03-31..
- 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 2026-03-31; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | 6.87% | Research and development expense / revenue. Period ending 2026-03-31. $42.20M ÷ $614.10M × 100 ≈ 6.87% |
| Stock-based compensation / revenue · 12 months | 4.66% | Share-based compensation / revenue. Period ending 2026-03-31. $28.60M ÷ $614.10M × 100 ≈ 4.66% |
| 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 | 42.20M USD | Research and Development Expense |
| Revenue | 614.10M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 28.60M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 82.20M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | · 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-31 | $42.20M | $614.10M | $28.60M | $82.20M | (m) | 6.87% | 4.66% | (m) | (m) |
| 2025-12-31 | $40.20M | $593.20M | $28.40M | $70.30M | (m) | 6.78% | 4.79% | (m) | (m) |
| 2025-09-30 | $40.00M | $573.50M | $23.80M | $59.90M | (m) | 6.97% | 4.15% | (m) | (m) |
| 2025-06-30 | $40.20M | $430.50M | $25.20M | $52.80M | (m) | 9.34% | 5.85% | (m) | (m) |
| 2025-03-31 | $39.80M | $489.30M | $26.30M | $50.80M | (m) | 8.13% | 5.38% | (m) | (m) |
| 2024-12-31 | $39.50M | $553.50M | $22.80M | $51.80M | (m) | 7.14% | 4.12% | (m) | (m) |
| 2024-09-30 | $83.70M | $801.00M | $28.60M | $55.40M | (m) | 10.45% | 3.57% | (m) | (m) |
| 2024-06-30 | $80.30M | $791.40M | $28.20M | $-196.10M | (m) | 10.15% | 3.56% | (m) | (m) |
| 2024-03-31 | $79.10M | $759.70M | $27.90M | $56.40M | (m) | 10.41% | 3.67% | (m) | (m) |
| 2023-12-31 | $78.50M | $707.60M | $29.00M | $51.10M | (m) | 11.09% | 4.10% | (m) | (m) |
| 2023-09-30 | $77.50M | $689.50M | $28.80M | $-169.40M | (m) | 11.24% | 4.18% | (m) | (m) |
| 2023-06-30 | $77.00M | $692.60M | $28.70M | $-205.60M | (m) | 11.12% | 4.14% | (m) | (m) |
| 2023-03-31 | $78.60M | $707.60M | $28.80M | $-437.10M | (m) | 11.11% | 4.07% | (m) | (m) |
| 2022-12-31 | $81.70M | $764.70M | $28.60M | $-414.80M | (m) | 10.68% | 3.74% | (m) | (m) |
| 2022-09-30 | $86.30M | $801.90M | $28.10M | $-167.30M | (m) | 10.76% | 3.50% | (m) | (m) |
| 2022-06-30 | $89.30M | $856.70M | $28.40M | $-118.10M | (m) | 10.42% | 3.32% | (m) | (m) |
| 2022-03-31 | $92.60M | $868.50M | $28.60M | $118.80M | (m) | 10.66% | 3.29% | (m) | (m) |
| 2021-12-31 | $92.80M | $868.10M | $32.10M | $115.80M | (m) | 10.69% | 3.70% | (m) | (m) |
| 2021-09-30 | $92.90M | $877.00M | $30.50M | $112.80M | (m) | 10.59% | 3.48% | (m) | (m) |
| 2021-06-30 | $92.50M | $849.80M | $28.20M | $91.80M | (m) | 10.88% | 3.32% | (m) | (m) |
| 2021-03-31 | $90.50M | $802.20M | $24.90M | $57.10M | (m) | 11.28% | 3.10% | (m) | (m) |
| 2020-12-31 | $92.90M | $764.30M | $17.30M | $29.20M | (m) | 12.15% | 2.26% | (m) | (m) |
| 2020-09-30 | $93.90M | $755.00M | $18.40M | $22.40M | (m) | 12.44% | 2.44% | (m) | (m) |
| 2020-06-30 | $95.40M | $785.10M | $18.80M | $42.40M | (m) | 12.15% | 2.39% | (m) | (m) |
| 2020-03-31 | $97.80M | $838.10M | $22.00M | $67.20M | (m) | 11.67% | 2.62% | (m) | (m) |
| 2019-12-31 | $96.80M | $854.80M | $25.20M | $81.20M | (m) | 11.32% | 2.95% | (m) | (m) |
| 2019-09-30 | $98.30M | $844.70M | $25.40M | $84.10M | (m) | 11.64% | 3.01% | (m) | (m) |
| 2019-06-30 | $100.10M | $845.00M | $26.70M | $80.10M | (m) | 11.85% | 3.16% | (m) | (m) |
| 2019-03-31 | $100.50M | $828.20M | $26.70M | $77.90M | (m) | 12.13% | 3.22% | (m) | (m) |
| 2018-12-31 | $100.60M | $826.90M | $27.00M | $77.80M | (m) | 12.17% | 3.27% | (m) | (m) |
| 2018-09-30 | $98.20M | (m) | $27.30M | $82.00M | (m) | (m) | (m) | (m) | (m) |
| 2018-06-30 | $94.90M | $778.40M | $27.00M | $71.70M | (m) | 12.19% | 3.47% | (m) | (m) |
| 2018-03-31 | $94.20M | $754.40M | $26.00M | $43.50M | (m) | 12.49% | 3.45% | (m) | (m) |
| 2017-12-31 | $93.40M | $744.20M | $25.10M | $40.50M | (m) | 12.55% | 3.37% | (m) | (m) |
| 2017-09-30 | $102.10M | $846.20M | $23.70M | $35.40M | (m) | 12.07% | 2.80% | (m) | (m) |
| 2017-06-30 | $101.50M | $867.60M | $22.70M | $41.00M | (m) | 11.70% | 2.62% | (m) | (m) |
| 2017-03-31 | $100.60M | $867.70M | $22.20M | $55.60M | (m) | 11.59% | 2.56% | (m) | (m) |
| 2016-12-31 | $100.50M | $859.30M | $21.50M | $47.10M | (m) | 11.70% | 2.50% | (m) | (m) |
| 2016-09-30 | $124.40M | $1.08B | $21.30M | $-252.90M | (m) | 11.55% | 1.98% | (m) | (m) |
| 2016-06-30 | $129.50M | $1.08B | $21.10M | $-269.40M | (m) | 11.98% | 1.95% | (m) | (m) |
| 2016-03-31 | $121.90M | $1.08B | $18.90M | $-251.30M | (m) | 11.25% | 1.74% | (m) | (m) |
| 2015-12-31 | $112.10M | $1.08B | $16.50M | $-235.10M | (m) | 10.34% | 1.52% | (m) | (m) |
| 2015-09-30 | $96.30M | $1.06B | $14.10M | $-40.80M | (m) | 9.08% | 1.33% | (m) | (m) |
| 2015-06-30 | $84.40M | $1.07B | $11.70M | $-44.80M | (m) | 7.91% | 1.10% | (m) | (m) |
| 2015-03-31 | $83.40M | $1.11B | $10.50M | $-76.10M | (m) | 7.54% | 0.95% | (m) | (m) |
| 2014-12-31 | $83.00M | $1.14B | $9.00M | $-53.10M | (m) | 7.27% | 0.79% | (m) | (m) |
| 2014-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2014-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2014-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-12-31 | $82.60M | $1.21B | $2.00M | $143.80M | (m) | 6.80% | 0.16% | (m) | (m) |
| 2013-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2012-12-31 | $77.30M | $1.12B | $1.90M | $136.10M | (m) | 6.91% | 0.17% | (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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