First Solar, Inc. (FSLR) Spending and interest coverage
- R&D / revenue · 12 months: Value 5.02%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 0.44%; 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 | 5.02% | Research and development expense / revenue. Period ending 2026-06-30. $269.73M ÷ $5.38B × 100 ≈ 5.02% |
| Stock-based compensation / revenue · 12 months | 0.44% | Share-based compensation / revenue. Period ending 2026-06-30. $23.66M ÷ $5.38B × 100 ≈ 0.44% |
| 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 | 269.73M USD | Research and Development Expense |
| Revenue | 5.38B USD | |
| Stock-based compensation | 23.66M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 1.81B 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 | $269.73M | $5.38B | $23.66M | $1.81B | (m) | 5.02% | 0.44% | (m) | (m) |
| 2026-03-31 | $247.98M | $5.42B | $23.42M | $1.72B | (m) | 4.58% | 0.43% | (m) | (m) |
| 2025-12-31 | $233.42M | $5.22B | $19.22M | $1.60B | (m) | 4.47% | 0.37% | (m) | (m) |
| 2025-09-30 | $213.97M | $5.05B | $22.83M | $1.51B | (m) | 4.24% | 0.45% | (m) | (m) |
| 2025-06-30 | $203.57M | $4.34B | $22.31M | $1.36B | (m) | 4.69% | 0.51% | (m) | (m) |
| 2025-03-31 | $201.02M | $4.26B | $23.90M | $1.37B | (m) | 4.72% | 0.56% | (m) | (m) |
| 2024-12-31 | $191.38M | $4.21B | $28.10M | $1.39B | (m) | 4.55% | 0.67% | (m) | (m) |
| 2024-09-30 | $188.74M | $3.85B | $33.00M | $1.34B | (m) | 4.90% | 0.86% | (m) | (m) |
| 2024-06-30 | $179.73M | $3.76B | $34.40M | $1.29B | (m) | 4.77% | 0.91% | (m) | (m) |
| 2024-03-31 | $164.54M | $3.56B | $34.41M | $1.08B | $21.43M | 4.62% | 0.97% | 50.52× | Reported |
| 2023-12-31 | $152.31M | $3.32B | $34.22M | $857.27M | $12.96M | 4.59% | 1.03% | 66.12× | Reported |
| 2023-09-30 | $139.73M | $3.16B | $30.74M | $413.58M | $9.03M | 4.42% | 0.97% | 45.80× | Reported |
| 2023-06-30 | $127.72M | $2.99B | $34.40M | $72.26M | $8.29M | 4.27% | 1.15% | 8.72× | Reported |
| 2023-03-31 | $116.21M | $2.80B | $31.75M | $48.57M | $10.11M | 4.15% | 1.13% | 4.81× | Reported |
| 2022-12-31 | $112.80M | $2.62B | $28.66M | $-27.24M | $12.22M | 4.31% | 1.09% | -2.23× | Reported |
| 2022-09-30 | $111.40M | $2.52B | $27.05M | $191.83M | $11.62M | 4.41% | 1.07% | 16.51× | Reported |
| 2022-06-30 | $107.64M | $2.48B | $21.62M | $311.05M | $11.59M | 4.34% | 0.87% | 26.84× | Reported |
| 2022-03-31 | $106.35M | $2.49B | $21.29M | $276.60M | $12.98M | 4.28% | 0.86% | 21.32× | Reported |
| 2021-12-31 | $99.11M | $2.92B | $20.90M | $586.75M | $13.11M | 3.39% | 0.71% | 44.77× | Reported |
| 2021-09-30 | $91.90M | $2.63B | $26.05M | $471.37M | $13.60M | 3.50% | 0.99% | 34.67× | Reported |
| 2021-06-30 | $89.45M | $2.97B | $26.83M | $627.66M | $21.61M | 3.01% | 0.90% | 29.04× | Reported |
| 2021-03-31 | $88.00M | $2.98B | $25.18M | $568.18M | $20.24M | 2.95% | 0.84% | 28.07× | Reported |
| 2020-12-31 | $93.74M | $2.71B | $29.27M | $317.49M | $24.04M | 3.46% | 1.08% | 13.21× | Reported |
| 2020-09-30 | $96.50M | $3.50B | $30.21M | $141.85M | $24.07M | 2.76% | 0.86% | 5.89× | Reported |
| 2020-06-30 | $98.44M | $3.12B | $32.63M | $-24.01M | $18.07M | 3.15% | 1.05% | -1.33× | Reported |
| 2020-03-31 | $100.35M | $3.06B | $39.61M | $-83.49M | $23.73M | 3.28% | 1.29% | -3.52× | Reported |
| 2019-12-31 | $96.61M | $3.06B | $37.43M | $-161.78M | $27.07M | 3.15% | 1.22% | -5.98× | Reported |
| 2019-09-30 | $92.57M | $2.35B | $32.77M | $-32.91M | $35.49M | 3.93% | 1.39% | -0.93× | Reported |
| 2019-06-30 | $90.05M | $2.48B | $30.70M | $-15.74M | $33.72M | 3.62% | 1.24% | -0.47× | Reported |
| 2019-03-31 | $86.03M | $2.21B | $30.52M | $-110.79M | $30.86M | 3.89% | 1.38% | -3.59× | Reported |
| 2018-12-31 | $84.47M | $2.24B | $34.15M | $40.11M | $25.92M | 3.76% | 1.52% | 1.55× | Reported |
| 2018-09-30 | $86.67M | $1.89B | $36.38M | $-5.97M | $20.52M | 4.58% | 1.92% | -0.29× | Reported |
| 2018-06-30 | $85.13M | $2.30B | $38.93M | $142.55M | $21.47M | 3.70% | 1.69% | 6.64× | Reported |
| 2018-03-31 | $86.10M | $2.62B | $36.72M | $260.11M | $21.78M | 3.29% | 1.40% | 11.94× | Reported |
| 2017-12-31 | $88.57M | $2.94B | $35.12M | $177.85M | $25.77M | 3.01% | 1.19% | 6.90× | Reported |
| 2017-09-30 | $94.46M | $2.98B | $29.77M | $-542.67M | $22.87M | 3.17% | 1.00% | -23.72× | Reported |
| 2017-06-30 | $105.78M | $2.57B | $25.56M | $-676.34M | $24.29M | 4.11% | 0.99% | -27.85× | Reported |
| 2017-03-31 | $117.37M | $2.97B | $24.29M | $-690.51M | $25.07M | 3.96% | 0.82% | -27.55× | Reported |
| 2016-12-31 | $124.76M | $2.95B | $28.71M | $-502.59M | $20.54M | 4.23% | 0.97% | -24.47× | Reported |
| 2016-09-30 | $132.02M | $3.41B | $36.22M | $394.64M | $21.54M | 3.87% | 1.06% | 18.32× | Reported |
| 2016-06-30 | $129.48M | $4.00B | $42.54M | $703.77M | $17.75M | 3.24% | 1.06% | 39.65× | Reported |
| 2016-03-31 | $126.02M | $3.96B | $44.30M | $752.03M | $11.42M | 3.18% | 1.12% | 65.83× | Reported |
| 2015-12-31 | $130.59M | $3.58B | $44.90M | $516.66M | $6.97M | 3.65% | 1.25% | 74.07× | Reported |
| 2015-09-30 | $128.81M | $3.65B | $44.89M | $586.23M | $3.35M | 3.53% | 1.23% | 175.10× | Reported |
| 2015-06-30 | $136.77M | $3.26B | $43.29M | $270.00M | $1.66M | 4.19% | 1.33% | 162.46× | Reported |
| 2015-03-31 | $139.95M | $2.91B | $42.59M | $214.78M | $1.77M | 4.81% | 1.46% | 121.62× | Reported |
| 2014-12-31 | $143.97M | $3.39B | $43.81M | $424.16M | $1.98M | 4.24% | 1.29% | 214.01× | Reported |
| 2014-09-30 | $147.45M | $3.15B | $48.94M | $285.26M | $1.41M | 4.68% | 1.55% | 201.89× | Reported |
| 2014-06-30 | $144.84M | $3.53B | $52.61M | $409.41M | $1.60M | 4.10% | 1.49% | 256.04× | Reported |
| 2014-03-31 | $143.14M | $3.50B | $51.89M | $446.60M | $1.54M | 4.09% | 1.48% | 289.25× | Reported |
| 2013-12-31 | $134.30M | $3.31B | $55.08M | $368.53M | $1.88M | 4.06% | 1.66% | 195.61× | Reported |
| 2013-09-30 | $127.52M | $3.62B | $54.21M | $480.22M | $4.59M | 3.53% | 1.50% | 104.53× | Reported |
| 2013-06-30 | $124.91M | $3.19B | $53.96M | $379.36M | $7.22M | 3.92% | 1.69% | 52.54× | Reported |
| 2013-03-31 | $126.31M | $3.63B | $29.86M | $479.93M | $13.72M | 3.48% | 0.82% | 34.99× | Reported |
| 2012-12-31 | $132.46M | $3.37B | $36.97M | $-37.56M | $13.89M | 3.93% | 1.10% | -2.70× | Reported |
| 2012-09-30 | $138.73M | $2.95B | $49.87M | $-694.90M | $11.29M | 4.70% | 1.69% | -61.53× | Reported |
| 2012-06-30 | $144.52M | $3.12B | $64.52M | $-579.20M | $8.39M | 4.63% | 2.07% | -69.02× | Reported |
| 2012-03-31 | $145.26M | $2.70B | $112.45M | $-654.33M | $1.02M | 5.39% | 4.17% | -641.50× | Reported |
| 2011-12-31 | $140.52M | $2.77B | $114.43M | $-68.66M | $100.00K | 5.08% | 4.14% | -686.64× | Reported |
| 2011-09-30 | $130.22M | $2.72B | $114.40M | $582.31M | $0.00 | 4.80% | 4.21% | (m) | Reported |
| 2011-06-30 | $113.53M | $2.51B | $111.94M | $571.20M | $0.00 | 4.53% | 4.46% | (m) | Reported |
| 2011-03-31 | $103.26M | $2.56B | $105.71M | $687.14M | $6.00K | 4.03% | 4.12% | 114524.17× | Reported |
| 2010-12-31 | $94.80M | $2.56B | $99.62M | $748.90M | $6.00K | 3.70% | 3.89% | 124817.17× | Reported |
| 2010-09-25 | $90.91M | (m) | (m) | $727.98M | $413.00K | (m) | (m) | 1762.66× | Reported |
| 2010-06-26 | $93.58M | (m) | (m) | $679.13M | $502.00K | (m) | (m) | 1352.85× | Reported |
| 2010-03-27 | $89.34M | (m) | (m) | $702.70M | (m) | (m) | (m) | (m) | (m) |
| 2009-12-26 | $78.16M | (m) | (m) | $679.62M | $5.26M | (m) | (m) | 129.25× | Reported |
| 2009-09-26 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-27 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-03-28 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-27 | $33.52M | (m) | (m) | $438.34M | $509.00K | (m) | (m) | 861.18× | Reported |
| 2008-09-27 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-06-28 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2007-12-29 | $15.11M | (m) | (m) | $137.18M | $2.29M | (m) | (m) | 59.80× | 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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