Revenue
2020
2021
2022
2023
2024
2025
ESS Tech, Inc. (GWHT)
Price—Loading quote
Net income
2020
2021
2022
2023
2024
2025
Free cash flow
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Revenue | $1.6M | $6.3M | $7.5M | $894,000 | $0 | $0 |
| Gross profit | −$27.7M | −$45.4M | −$13.0M | $894,000 | N/A | N/A |
| Gross margin | −1,748.07% | −720.54% | −171.82% | 100.00% | N/A | N/A |
| Research & development | $8.3M | $11.8M | $42.6M | $72.0M | $30.3M | $12.9M |
| Operating expenses | $29.7M | $44.4M | $73.0M | $106.4M | $60.6M | $17.4M |
| Operating income | −$57.4M | −$89.8M | −$85.9M | −$105.5M | −$60.6M | −$17.4M |
| Operating margin | −3,626.47% | −1,426.50% | −1,139.32% | −11,800.00% | N/A | N/A |
| EBITDA | −$51.7M | −$85.1M | −$79.4M | −$104.0M | −$60.0M | −$17.0M |
| EBITDA margin | −3,263.87% | −1,351.45% | −1,052.94% | −11,629.64% | N/A | N/A |
| Net income | −$63.4M | −$86.2M | −$77.6M | −$78.0M | −$477.1M | −$30.4M |
| Net profit margin | −4,007.58% | −1,369.69% | −1,028.89% | −8,721.36% | N/A | N/A |
| Basic EPSper basic share | -$4.34 | -$7.32 | -$7.27 | -$7.65 | -$85.91 | -$7.80 |
| Diluted EPSper diluted share | -$4.34 | -$7.32 | -$7.27 | -$7.65 | -$85.91 | -$7.80 |
Owners
Reported shareholders
Reported holdings Number of shares
View holders
| Holder | Shares held |
|---|---|
Trivedi Jigish Dhirajlal | 275K |
Goodman Kelly F. | 205.22K |
Dresselhuys Eric P. | 180.58K |
Suhadolnik Kate Eileen | 156.83K |
Rabb Anthony | 109.39K |
NIGGLI MICHAEL R | 90.83K |
Quarls Harry | 68.77K |
Garabedian Raffi | 53.19K |
WELLMAN ALEXI | 52.4K |
Nijhawan Sandeep | 42.56K |
Hossfeld Rich | 41.37K |
Teamey Kyle | 38.74K |
Buckley Drew P | 25K |
Bars compare reported share counts. A matching total for this share class and reporting period is unavailable, so percentages are not shown.
Source: SEC Form 4 ↗Updated Oct 21, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Aug 21, 2026Form 4 | Suhadolnik Kate EileenChief Financial Officer | SellCommon Stock | 3.9K | $0.40 | $1.6K | 156.8K |
| Aug 21, 2026Form 4 | Goodman Kelly F.SEE REMARKS | SellCommon Stock | 5.4K | $0.40 | $2.2K | 205.2K |
| Jun 4, 2026Form 4 | Buckley Drew PCEO | BuyCommon Stock | 25.0K | $1.03 | $25.8K | 25.0K |
| May 22, 2026Form 4 | Suhadolnik Kate EileenChief Financial Officer | SellCommon Stock | 1.9K | $0.93 | $1.8K | 160.8K |
| May 22, 2026Form 4 | Goodman Kelly F.SEE REMARKS | SellCommon Stock | 2.8K | $0.93 | $2.6K | 210.6K |