ESS Tech, Inc. GWH

0.21 (0.13) (38.24%) as of 25 Sep
Market cap
$14.1M
P/E
0.0×
Insider Buys alert about insiders buying in the last 12 month

Insider Decisions

Total buys 0.03
Total sells 0.02
in millions of $
Nov 25 Feb 26 May 26 Aug 26
Buy — — — — — — — — 1 — — —
Sell — — — — 2 — — 2 — — 2 —
Insider Ownership 0.00%

Capital & Financial Ratios

Market Cap 14.06
Revenue (1.17)
Net Income (65.83)
Free Cash Flow (45.42)
Net Debt (2.94)
Current Ratio 0.68
Debt/Equity (3.24)
P/E ratio 0.00
P/S ratio 0.00
P/B ratio 0.00
Past 5Y EPS Growth 1.40%
This Y EPS Growth 67.28%
Next Y EPS Growth 75.35%
Next 5Y EPS Growth 58.85%
in millions of $

Dividends

Payout Ratio 0.00
Annual Dividend Rate —
Annual Dividend Yield —

Assets vs Liabilities

2023 2024 2025 Q'26
Cash 109 33 23 12
Receivables 2 0 0 0
Inventory 3 6 0 0
Other — — — —
118 43 26 14
2023 2024 2025 Q'26
Payables 3 8 3 1
ST’ Debt — — — —
Other — — — —
20 28 25 20
in millions of $

Compound Annual Growth

10y 5y 3y
Sales — — 20.98%
Cash Flow — 0.00% 0.00%
Earnings — 0.00% 0.00%
Book Value — 0.00% (60.23%)

Revenue

Mar Jun Sep Dec Year
’26 0 0 — — —
’25 1 2 0 — 2
’24 3 0 0 3 6
’23 0 3 2 3 8
in millions of $ · fiscal quarters ending in the months shown
value withheld pending a data check

Operating Cash Flow

Mar Jun Sep Dec Year
’26 (13) (9) — — —
’25 (18) (12) (6) (14) (50)
’24 (19) (15) (18) (20) (72)
’23 (19) (19) (1) (16) (55)
’22 (19) (15) (22) (25) (82)
’21 (6) (9) (13) (24) (52)
in millions of $ · fiscal quarters ending in the months shown

Free Cash Flow

Mar Jun Sep Dec Year
’26 (14) (9) — — —
’25 (19) (13) (5) (16) (54)
’24 (20) (16) (20) (24) (80)
’23 (21) (20) (2) (18) (61)
’22 (23) (20) (25) (28) (96)
’21 (7) (9) (13) (26) (55)
in millions of $ · fiscal quarters ending in the months shown

EPS

Mar Jun Sep Dec Year
’26 (0.54) (0.46) — — —
’25 (1.50) (0.90) (0.73) (1.20) (4.34)
’24 (1.50) (1.80) (1.90) (1.97) (7.32)
’23 (2.10) (2.25) (1.65) (1.35) (7.20)
’22 (0.60) (1.50) (3.15) (2.40) (7.65)
’21 (37.65) (20.20) (11.37) (19.94) (85.91)
fiscal quarters ending in the months shown

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
— — — — — 108.23 30.30 11.25 4.35 0.76

Analyst estimates 2026–2028

Powerpack
Low Price
— — — — — 433.80 178.95 38.85 17.70 13.87
High Price
— — — — 7 160 271 231 240 62
Employees
— — — — 0 0 0 0 0 0
Revenue/Emp
— — — — — — 1 8 6 2
Revenue
— — — — 0.00% 0.00% 100.00% (171.82%) (720.54%) (1,748.07%)
Gross Margin
— — — — (30) (477) (78) (78) (86) (63)
EBT
— — — — 0.00% 0.00% (8,721.36%) (1,028.89%) (1,369.69%) (4,007.58%)
EBT Margin
— 0 — — (30) (477) (78) (78) (86) (63)
Net Income
— — — — 0 1 2 7 5 6
Depreciation
— — — — 0.00 0.00 0.09 0.71 0.53 0.11
Revenue/Sh
— — — — (7.75) (85.91) (7.65) (7.20) (7.32) (4.34)
Earnings/Sh
— — — — (4.24) (9.34) (8.01) (5.15) (6.13) (3.44)
Cash Flow/Sh
— — — — (0.13) (0.50) (1.39) (0.54) (0.62) (0.23)
Capex/Sh
— — — — (4.37) (9.84) (9.41) (5.69) (6.75) (3.68)
Free CF/Sh
— — — — (7.10) 36.94 13.45 9.69 2.45 0.59
Book Value/Sh
— — — — 4 6 10 11 12 15
Shares
— — — — — — 0.00 0.00 0.00 0.00
PE Ratio
— — — — — — 0.00 24.82 11.00 17.34
PS Ratio
— — — — — — 2.58 1.81 2.40 3.19
PB Ratio
— — — — — — 0.00 10.49 6.05 8.78
EV/Sales
— — — — — — (2.21) (1.30) (0.48) (0.26)
EV/FCF
— — — — (17) (52) (82) (55) (72) (50)
Op' Cash Flow
— — — — (1) (3) (14) (6) (7) (3)
Capex
— — — — (17) (55) (96) (61) (80) (54)
FCF
— — — — (2) 232 124 98 16 1
Working Cap'
— — — — 0 2 0 — — 9
Total Debt
— — — — (6) (238) (141) (109) (33) (14)
Net Debt
— — — — (28) 205 137 103 29 9
Sh' Equity
— — — — (674.25%) (368.11%) (36.80%) (48.98%) (80.19%) (103.17%)
ROA
— — — — 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
ROIC
— — — — (34.32%) (538.29%) (45.58%) (64.56%) (130.40%) (338.33%)
ROE
predictions in italic, sparklines do not include predictions

All 10 years →

Fiscal years to Dec 2025 · latest quarter Jun 2026

ESS Tech, Inc. (GWH) key facts

  • ESS Tech, Inc. (GWH) is an Electrical Equipment & Parts company in the Industrials sector, listed on the New York Stock Exchange.
  • As of September 25, 2026, GWH traded at $0.21, a market capitalization of $14.1 million.
  • Return on equity was −338.3% and debt-to-equity -3.24.

Source: company filings (standardised) and stockrow calculations.

ESS Tech, Inc. (GWH) Latest News

News by impact score

Fine-tune

24 Sep

4

NYSE Regulation has begun delisting proceedings against ESS Tech, Inc. (GWH) after the company failed to regain compliance with NYSE listing standards by the end of the maximum plan period. ESS Tech previously fell below the standard requiring either at least $50 million in stockholders’ equity or at least $50 million in total market capitalization on a 30-trading day average. ESS Tech may request a review by a Committee of the Exchange’s Board; the NYSE will announce a suspension date if the company does not request review within 10 business days, chooses not to appeal, the Committee approves suspension, or other material developments occur. Post-suspension, the NYSE will apply to the SEC to delist the stock. Contact information for company and NYSE is provided in the release. Delisting initiation signals a substantial negative shift in liquidity and financing access, likely altering ESS Tech’s near-term investor sentiment and trajectory.

2 Sep

3

ESS Tech achieves awardable status through Department of War’s Tradewinds Solutions Marketplace. Awardable status opens eligibility for government contracts and may improve competitive positioning in energy storage.

1 Sep

4

ESS Tech, Inc. (GWH) shareholders would hold 5-10% of the combined company under letter of intent terms for a potential merger or combination. LOI merger terms position ESS Tech as minority owner in combined entity, marking major strategic shift with direct effects on ownership structure and trajectory.

18 Aug

4 transcript

ESS Tech (GWH) released Q2 2026 earnings call transcript covering quarterly financial results and business outlook. Earnings call details directly shape financial guidance and investor views on company trajectory.

12 Aug

4

ESS Tech Inc (GWHWW) highlighted a strategic pivot to sodium-ion technology in its Q2 2026 earnings call. Strategic pivot to sodium-ion technology positions ESS Tech for major shifts in energy storage market trajectory.

3 transcript

ESS Tech, Inc. (GWH) Q2 2026 earnings call outlined financial results, operational updates and forward guidance. Quarterly earnings call delivers financial and strategic updates that moderately shape near-term investor sentiment and performance outlook.

11 Aug

3

ESS Tech reported a Q2 net loss and missed revenue estimates. Q2 loss and revenue miss may pressure near-term stock performance and sentiment.

3

ESS Tech, Inc. (GWH) announced its financial results for the second quarter of 2026. Quarterly earnings releases typically affect near-term stock price and investor sentiment without fundamentally shifting long-term strategy.

6 Aug

4

ESS Tech, Inc. signs letter of intent for proposed business combination. Letter of intent for business combination marks major strategic move likely to significantly alter company trajectory and investor sentiment.

22 Jul

4

ESS Tech has signed an agreement with Juniper Energy for deployment of over 500 MWh of sodium-ion energy storage systems. Major contract win for large-scale deployments strengthens ESS Tech revenue outlook and market position.

14 Jul

4

ESS Tech launches 1.2-MWh sodium-ion battery ‘building block’ system. Sodium-ion battery launch advances ESS Tech competitive position in energy storage.

8 Jul

4

ESS Tech launches Bridge, a modular sodium-ion battery energy storage system for grid-scale, data center, and commercial applications. New Bridge product launch targets major energy storage markets and expands commercial reach.

23 Jun

4

ESS Tech accelerates sodium-ion battery development targeting $1bn opportunity pipeline. Accelerated development on large pipeline signals major strategic push likely to reshape growth trajectory.

4

ESS Tech accelerates sodium-ion battery energy storage system development amid surging customer interest. Surging customer interest drives acceleration of core sodium-ion battery development, likely boosting growth and market position.

2 Jun

3

ESS Tech reported softer Q1 results, prompting analysts to cut the price target and question whether the stock remains a buy. Softer quarterly results and a lowered price target indicate moderate pressure on near-term financial performance and investor sentiment.

7 May

4

ESS Tech, Inc. (GWH) announced first quarter 2026 financial results. Quarterly earnings announcements directly affect financial performance, investor sentiment, and stock trajectory.

3

ESS Tech, Inc. (GWH) reported a wider-than-expected Q1 loss and revenue that fell short of estimates. Q1 loss and revenue miss highlight financial underperformance, moderately affecting investor sentiment and near-term stock trajectory.

6 May

4

ESS Tech, Inc. (GWH) announces third-party utility validation of its Iron Flow Battery technology, highlighting independent confirmation of performance and reliability for long-duration energy storage. Third-party utility validation bolsters credibility of core Iron Flow Battery technology, likely driving significant positive shifts in investor sentiment and competitive positioning.

5 May

4

ESS Tech, Inc. (GWH) announces successful commissioning of long-duration iron flow battery systems at Turlock Irrigation District's Solar-Over-Canal Project. Successful real-world deployment of core iron flow battery technology validates product performance and strengthens market positioning for future growth.

30 Apr

4

ESS Tech, Inc. (GWH) partners with Alsym Energy to deliver 8.5 GWh of non-lithium battery energy storage solutions. Securing 8.5 GWh orders for non-lithium batteries represents a major strategic expansion into differentiated technology, poised to drive substantial revenue and improve competitive positioning.

4

ESS Tech, Inc. (GWH) partners with Alsym Energy to deliver 8.5 GWh of non-lithium iron-based battery energy storage solutions over multiple years, targeting utility-scale projects and expanding beyond lithium-ion technologies. Securing 8.5 GWh in non-lithium battery orders represents a major strategic expansion into a growing market, potentially driving significant revenue growth and enhancing competitive positioning.

6 Mar

4

ESS Tech, Inc. (GWH) released Q4 2025 earnings call summary covering financial results, operational updates, and future outlook. Q4 earnings summary details financial performance and guidance that significantly shape investor sentiment and company trajectory.

4

ESS Tech Inc (GWH.WS) Q4 2025 earnings call highlights strategic partnerships and financial updates. Strategic partnerships highlighted in Q4 2025 earnings call represent major moves likely to alter trajectory and investor sentiment.

5 Mar

4

ESS Tech, Inc. (GWH) announced fourth quarter and full year 2025 financial results. Earnings announcements drive significant short-term stock volatility and shape future market perceptions.

4 Mar

4

ESS Tech, Inc. (GWH) enters Project New Horizon framework agreement with Salt River Project and Google. Partnership with Salt River Project and Google in Project New Horizon provides major strategic validation and potential revenue for ESS Tech's energy storage business.

3 Mar

4

ESS Tech, Inc. (GWH) announces agreement to join Salt River Project and Google's long-duration energy storage collaboration. Partnership with Google and Salt River Project represents a major strategic move strengthening ESS Tech's position in long-duration energy storage.

19 Feb

4

ESS Tech, Inc. (GWH) appoints Randall Selesky as Chief Commercial Officer to accelerate global growth. Appointing a Chief Commercial Officer represents a major strategic hire to drive global expansion and boost commercial performance.

18 Feb

4

ESS Tech, Inc. (GWH) acquires intellectual property and assets from VoltStorage GmbH to advance flexible long-duration energy storage technology. Acquisition of specialized IP and assets directly enhances ESS Tech's core long-duration energy storage capabilities and competitive edge.

5 Feb

3

ESS Tech, Inc. has issued a shareholder letter providing a corporate update, highlighting recent developments and strategic initiatives aimed at enhancing shareholder value and operational efficiency. The company outlines its progress in technology advancements and market positioning, emphasizing its commitment to sustainable energy solutions. Key financial metrics and future outlook are also discussed, reflecting the company's ongoing efforts to strengthen its market presence. The corporate update indicates moderate advancements in technology and strategy that may influence financial performance and market positioning.

30 Jan

4

ESS Tech, Inc. has successfully closed a $15 million registered direct offering, which was priced at a premium to the market. The offering is expected to enhance the company's financial position and support its growth initiatives. The capital raised from the offering is likely to significantly impact the company's future growth and operational capabilities.

stockrow.com/GWH · Data as of Jun 30, 2026 · For information only; not investment advice. · © 2026 stockrow.com