GWH — ESS Tech, Inc.

NYSE · Unknown · Unknown · CIK 1819438 ·
Last close
$0.39
Market Cap
$12.83M
52W High
$1.11
52W Low
$0.34
ADV30
967,664
Next earnings
2026-11-12
ESS Tech, Inc., an energy storage company, engages in the design and production of iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and the gigawatt-hour energy base storage product, a fully configurable layout that integrates with any site location and that allows the power to be decoupled from the capacity. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 128,000 -7,038,000 -13,780,000 -15,922,000 48,572,000 15,489,000 39,126,000
Dec 2025 -1,588,000 -9,699,000 -17,893,000 -23,983,000 51,172,000 14,477,000 42,554,000
Sep 2025 214,000 -4,725,000 -9,811,000 -10,375,000 36,145,000 3,539,000 37,913,000
Jun 2025 2,358,000 -5,101,000 -11,557,000 -11,056,000 39,617,000 797,000 36,313,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-45,505,000
Investing CF
$-4,999,000
Financing CF
$57,521,000
CapEx
$-4,734,000
Dividends Paid
Buybacks
$-33,000
EPS Diluted TTM
$-3.37
As of
2026-08-16

Balance + Analyst (yfinance extras)

Retained Earnings
$-861,741,000
Inventory
$123,000
Receivables
$37,000
ST Investments
$5,966,000
EBIT TTM
$-53,041,000
Pretax Income TTM
$-61,336,000
Interest Exp TTM
Analysts
1

Yahoo Snapshot (yfinance, live)

Total Revenue
$-1,173,000
EBITDA
$-44,886,000
Free Cash Flow
$-33,593,876
Enterprise Value
$19,952,970
Total Cash
$10,848,000
Total Debt
$17,458,000
Shares Out
32,970,025
Trailing EPS
$-2.95
Book Value
$0.39
ROE
-21339.7%
ROA
-87.8%
Div Yield

Annual Trend (SEC EDGAR, last 4y)

Revenues vs Net Income (last 4y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 1,583,000 -57,407,000 -63,440,000 51,172,000 42,554,000 -50,284,000
Dec 2024 6,295,000 -89,798,000 -86,222,000 71,813,000 42,929,000 -72,219,000
Dec 2023 7,540,000 -85,905,000 -77,578,000 143,232,000 39,875,000 -54,896,000
Dec 2022 894,000 -105,492,000 -77,969,000 173,553,000 36,579,000 -81,620,000

TTM Snapshot

Revenues TTM
$718,000
NetIncome TTM
$-44,986,000
OpCashFlow TTM
$0
Assets (Latest)
$71,813,000
Forward EPS
$-0.79

Peers — same industry

TickerNameMarket CapLastDaily %
PLCKF Plurilock Security Inc. $12.71M $0.11
FXBY FOXBY CORP. $12.99M $24.89
NTZ NATUZZI S P A $12.65M $1.15
CVAT Cavitation Technologies, Inc. $12.54M $0.04
FRECF Frequency Exchange Corp. $12.38M $0.21

News headlines (Yahoo Finance, 1h cache)

ESS Tech, Inc. Announces Closing of $3.2 Million Registered Direct Offering and Concurrent Private Placement
2026-08-21 20:05 · Yahoo
ESS Tech, Inc. Announces $3.2 Million Registered Direct Offering and Concurrent Private Placement
2026-08-20 17:11 · Yahoo
ESS Tech (GWH) Q2 2026 Earnings Call Transcript
2026-08-18 23:27 · Yahoo
ESS Tech Inc (GWHWW) (Q2 2026) Earnings Call Highlights: Strategic Pivot to Sodium-Ion and ...
2026-08-12 05:00 · Yahoo
ESS to Host Second Quarter 2026 Financial Results Conference Call on Thursday, August 13, 2026 at 5:00 p.m. Eastern Time
2026-07-29 12:31 · Yahoo
ESS Tech launches 1.2-MWh sodium-ion battery ‘building block’ system
2026-07-14 12:49 · Yahoo
ESS Tech, Inc. Q2 2026 Earnings Call Summary
2026-08-13 01:20 · Yahoo
ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications
2026-07-08 12:31 · Yahoo
Sidoti Events, LLC's August Micro-Cap Virtual Conference
2026-08-18 14:00 · Yahoo
ESS to Present at Sidoti Micro-Cap Virtual Conference
2026-08-18 12:50 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.