State Ledger
Company profile

ESS Tech, Inc. CIK 1819438

Tickers
GWH (NYSE) · GWHWW (OTC)
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
Headquarters
Wilsonville, OR 97070
Fiscal year end
2025 (FY)
Market Data
Close
$0.16
Change
+$0.00
Change %
0.00%
Volume
0

GWH · trading date Oct 2, 2026 · previous close $0.16 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
$1.58M
Net income
-$63.44M
Total assets
$51.17M
Total liabilities
$42.55M
Stockholders' equity
$8.62M
Cash & equivalents
$14.48M
Operating income
-$57.41M
Operating cash flow
-$50.28M
Capital expenditures
$3.39M

Fiscal year 2025, via 10-K filed 2026-03-05. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
-3,626.5%
Net margin
-4,007.6%
Free cash flow
-$53.67M
Free cash flow margin
-3,390.5%
Liabilities / assets
83.2%
Equity / assets
16.8%
CapEx / revenue
214.0%
Operating cash flow / net income
0.79×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 $1.58M -$63.44M $51.17M $42.55M $8.62M
2024 $6.30M -$86.22M $71.81M $42.93M $28.88M
2023 $7.54M -$77.58M $143.23M $39.88M $103.36M
2022 $894.0K -$77.97M $173.55M $36.58M $136.97M
2021 $0 -$477.12M $250.20M $45.04M $205.16M
Company Details
SIC code
3690
State of incorporation
DE
Active filer
Yes
Most recent SEC filing
Form EFFECT
2026-09-16
Financials filed via
Form 10-K
filed 2026-03-05

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Wilsonville, OR 97070
26440 SW PARKWAY AVE.
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 16:04 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

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