ESS Tech, Inc. (GWH) Spending and interest coverage
- R&D / revenue · 12 months: Value -786.10%; Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value -381.93%; 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 | -786.10% | Research and development expense / revenue. Period ending 2026-06-30. $9.22M ÷ $-1.17M × 100 ≈ -786.10% |
| Stock-based compensation / revenue · 12 months | -381.93% | Share-based compensation / revenue. Period ending 2026-06-30. $4.48M ÷ $-1.17M × 100 ≈ -381.93% |
| 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 | 9.22M USD | Research and Development Expense |
| Revenue | -1.17M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 4.48M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | -56.62M 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 | $9.22M | $-1.17M | $4.48M | $-56.62M | (m) | -786.10% | -381.93% | (m) | (m) |
| 2026-03-31 | $8.44M | $1.11M | $5.26M | $-53.04M | (m) | 759.35% | 473.38% | (m) | (m) |
| 2025-12-31 | $8.30M | $1.58M | $5.43M | $-57.41M | (m) | 524.13% | 343.27% | (m) | (m) |
| 2025-09-30 | $7.63M | $6.02M | $6.98M | $-63.01M | (m) | 126.81% | 115.96% | (m) | (m) |
| 2025-06-30 | $9.29M | $6.17M | $8.39M | $-76.88M | (m) | 150.70% | 136.13% | (m) | (m) |
| 2025-03-31 | $10.70M | $4.16M | $9.96M | $-88.45M | (m) | 257.56% | 239.53% | (m) | (m) |
| 2024-12-31 | $11.77M | $6.29M | $11.57M | $-89.80M | (m) | 187.01% | 183.88% | (m) | (m) |
| 2024-09-30 | $12.91M | $6.24M | $11.50M | $-85.37M | (m) | 206.83% | 184.27% | (m) | (m) |
| 2024-06-30 | $11.83M | $7.43M | $11.73M | $-79.82M | (m) | 159.32% | 157.95% | (m) | (m) |
| 2024-03-31 | $28.45M | $9.91M | $11.43M | $-80.90M | (m) | 287.16% | 115.38% | (m) | (m) |
| 2023-12-31 | $42.63M | $7.54M | $10.63M | $-85.91M | (m) | 565.41% | 141.05% | (m) | (m) |
| 2023-09-30 | $61.58M | $4.76M | $10.86M | $-98.24M | (m) | 1293.68% | 228.13% | (m) | (m) |
| 2023-06-30 | $80.10M | $3.41M | $10.97M | $-107.83M | (m) | 2350.95% | 321.93% | (m) | (m) |
| 2023-03-31 | $76.81M | $1.27M | $11.19M | $-107.80M | (m) | 6067.38% | 883.73% | (m) | (m) |
| 2022-12-31 | $71.98M | $894.00K | $11.89M | $-105.49M | (m) | 8051.34% | 1329.87% | (m) | (m) |
| 2022-09-30 | $59.92M | $878.00K | $16.00M | $-105.22M | (m) | 6824.49% | 1822.89% | (m) | (m) |
| 2022-06-30 | $47.46M | $686.00K | $13.27M | $-88.53M | (m) | 6918.95% | 1933.97% | (m) | (m) |
| 2022-03-31 | $37.52M | (m) | $10.55M | $-74.51M | $1.86M | (m) | (m) | -40.10× | Reported |
| 2021-12-31 | $30.27M | $0.00 | $7.92M | $-60.60M | $1.89M | (m) | (m) | -32.13× | Reported |
| 2021-09-30 | (m) | (m) | (m) | $-3.29M | (m) | (m) | (m) | (m) | (m) |
| 2021-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2021-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2020-12-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2020-09-30 | (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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