Fastly, Inc. (FSLY) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value (m); 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 | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| 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 | 167.06M USD | Research and Development Expense |
| Revenue | (m) | |
| Stock-based compensation | 135.56M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | -82.21M 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 | $167.06M | (m) | $135.56M | $-82.21M | (m) | (m) | (m) | (m) | (m) |
| 2026-03-31 | $167.21M | (m) | $126.72M | $-104.72M | (m) | (m) | (m) | (m) | (m) |
| 2025-12-31 | $162.66M | (m) | $117.32M | $-119.00M | (m) | (m) | (m) | (m) | (m) |
| 2025-09-30 | $153.81M | (m) | $109.99M | $-138.24M | (m) | (m) | (m) | (m) | (m) |
| 2025-06-30 | $144.28M | (m) | $101.88M | $-150.04M | (m) | (m) | (m) | (m) | (m) |
| 2025-03-31 | $137.16M | (m) | $101.69M | $-159.83M | (m) | (m) | (m) | (m) | (m) |
| 2024-12-31 | $137.98M | (m) | $107.93M | $-167.91M | (m) | (m) | (m) | (m) | (m) |
| 2024-09-30 | $143.51M | (m) | $118.43M | $-176.17M | (m) | (m) | (m) | (m) | (m) |
| 2024-06-30 | $150.69M | (m) | $129.13M | $-193.92M | (m) | (m) | (m) | (m) | (m) |
| 2024-03-31 | $153.01M | (m) | $139.97M | $-197.01M | $3.42M | (m) | (m) | -57.66× | Reported |
| 2023-12-31 | $152.19M | (m) | $136.30M | $-198.03M | $4.05M | (m) | (m) | -48.88× | Reported |
| 2023-09-30 | $151.12M | (m) | $132.27M | $-203.91M | $4.66M | (m) | (m) | -43.75× | Reported |
| 2023-06-30 | $151.01M | (m) | $135.94M | $-211.33M | $5.18M | (m) | (m) | -40.80× | Reported |
| 2023-03-31 | $152.30M | (m) | $133.93M | $-230.47M | $5.48M | (m) | (m) | -42.07× | Reported |
| 2022-12-31 | $155.31M | (m) | $145.80M | $-246.20M | $5.89M | (m) | (m) | -41.82× | Reported |
| 2022-09-30 | $153.11M | (m) | $153.97M | $-254.39M | $6.13M | (m) | (m) | -41.53× | Reported |
| 2022-06-30 | $146.68M | (m) | $151.22M | $-243.56M | $6.30M | (m) | (m) | -38.66× | Reported |
| 2022-03-31 | $138.31M | (m) | $149.67M | $-232.06M | $6.21M | (m) | (m) | -37.39× | Reported |
| 2021-12-31 | $126.86M | (m) | $140.49M | $-219.02M | $5.25M | (m) | (m) | -41.76× | Reported |
| 2021-09-30 | $117.45M | (m) | $130.58M | $-219.71M | $4.10M | (m) | (m) | -53.54× | Reported |
| 2021-06-30 | $103.19M | (m) | $106.09M | $-188.23M | $2.96M | (m) | (m) | -63.61× | Reported |
| 2021-03-31 | $89.50M | (m) | $88.94M | $-145.20M | $1.89M | (m) | (m) | -76.66× | Reported |
| 2020-12-31 | $74.81M | (m) | $64.43M | $-107.21M | $1.55M | (m) | (m) | -69.21× | Reported |
| 2020-09-30 | $62.17M | (m) | $39.35M | $-63.90M | $1.49M | (m) | (m) | -42.94× | Reported |
| 2020-06-30 | $56.02M | (m) | $31.05M | $-53.20M | $1.70M | (m) | (m) | -31.31× | Reported |
| 2020-03-31 | $50.61M | (m) | $17.01M | $-50.45M | $4.32M | (m) | (m) | -11.69× | Reported |
| 2019-12-31 | $46.49M | (m) | $12.14M | $-46.55M | $5.24M | (m) | (m) | -8.89× | Reported |
| 2019-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2019-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2019-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2018-12-31 | $34.62M | (m) | $4.08M | $-29.14M | $1.81M | (m) | (m) | -16.10× | Reported |
| 2018-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2018-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2017-12-31 | $28.99M | (m) | $2.81M | $-31.03M | $1.12M | (m) | (m) | -27.80× | 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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