ESS Tech financials
$0.1765−15.95%
Close Sep 28, 2026 · split-adjustedRevenue
Net income
Income statement & cash flow
| Quarter | Q2 '26 Jun 30 | Q1 '26 Mar 31 | Q4 '25 Dec 31 | Q3 '25 Sep 30 | Q2 '25 Jun 30 | Q1 '25 Mar 31 | Q4 '24 Dec 31 | Q3 '24 Sep 30 | Q2 '24 Jun 30 | Q1 '24 Mar 31 | Q4 '23 Dec 31 | Q3 '23 Sep 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $73.0K | $128.0K | — | $214.0K | $2.4M | $599.0K | $2.9M | $359.0K | $348.0K | $2.7M | $2.8M | $1.5M |
| Gross profit | -$7.4M | -$7.0M | — | -$4.7M | -$5.1M | -$8.1M | -$13.2M | -$12.4M | -$11.4M | -$8.4M | -$7.5M | -$8.6M |
| Gross margin | −10165.8% | −5498.4% | — | −2207.9% | −216.3% | −1360.1% | −462.7% | −3449.0% | −3275.9% | −306.4% | −268.8% | −559.1% |
| Operating income | -$15.1M | -$13.8M | — | -$9.8M | -$11.6M | -$18.1M | -$23.5M | -$23.7M | -$23.1M | -$19.5M | -$19.1M | -$18.1M |
| Net income | -$15.6M | -$15.9M | — | -$10.4M | -$11.1M | -$18.0M | -$23.5M | -$22.5M | -$21.9M | -$18.3M | -$16.1M | -$16.6M |
| Net margin | −21305.5% | −12439.1% | — | −4848.1% | −468.9% | −3009.3% | −823.8% | −6265.5% | −6304.6% | −668.7% | −576.9% | −1075.6% |
| Diluted EPS | $-0.46 | $-0.54 | — | $-0.73 | $-0.90 | $-1.50 | $-1.97 | $-1.90 | $-1.87 | $-1.57 | $-0.76 | $-1.59 |
| EBITDA | -$14.4M | -$11.4M | $1.2M | -$8.3M | -$10.0M | -$16.6M | -$22.1M | -$22.9M | -$21.8M | -$18.3M | -$15.7M | -$17.1M |
| Operating cash flow | -$8.9M | -$13.5M | -$13.9M | -$5.8M | -$12.4M | -$18.2M | -$20.5M | -$17.6M | -$15.2M | -$18.9M | -$16.1M | -$1.2M |
| Free cash flow | -$9.4M | -$14.4M | -$16.2M | -$6.3M | -$13.1M | -$19.0M | -$23.9M | -$19.9M | -$15.8M | -$19.9M | -$17.7M | -$2.0M |
| Diluted shares | 33.8M | 29.3M | 19.9M | 14.2M | 12.3M | 12.0M | 11.9M | 11.8M | 11.7M | 11.6M | 21.4M | 10.5M |
Balance sheet
| Period end | Jun 30 | Mar 31 | Dec 31 | Sep 30 | Jun 30 | Mar 31 |
|---|---|---|---|---|---|---|
| Cash & equivalents | $10.8M | $15.5M | $14.5M | $3.5M | $797.0K | $8.4M |
| Short-term investments | $0.00 | $6.0M | $7.6M | $0.00 | $0.00 | $4.4M |
| Total debt | $14.5M | $18.0M | $17.3M | $10.5M | $0.00 | $0.00 |
| Total assets | $32.5M | $48.6M | $51.2M | $36.1M | $39.6M | $53.6M |
| Total liabilities | $35.2M | $39.1M | $42.6M | $37.9M | $36.3M | $41.5M |
| Shareholders' equity | -$2.7M | $9.4M | $8.6M | -$1.8M | $3.3M | $12.1M |
From SEC filings via Massive. Fiscal periods follow the company's own calendar; free cash flow is operating cash flow minus capital expenditure.
Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology