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$0.13 -0.04 (-23.98%) At close · Oct 7
Rebalance outlook locked
Going-concern doubt — flagged Aug 11, 2026

Substantial doubt about the company's ability to continue as a going concern.

“These uncertainties cause substantial doubt to exist as to the Company's ability to continue as a going concern for 12 months from the issuance of these financial statements.”
View the 10-Q filed Aug 11, 2026
Market Cap
$5.17M
Shares
32.97M
Volume · Oct 7 822.7K Avg daily vol (3M) 1.09M

ESS Tech, Inc. Webcasts

Earnings calls, investor updates, investor days and conferences for ESS Tech, Inc. (GWH), with available transcripts, audio replays and slides. Earnings calls also include available highlights, earnings releases and periodic filings.

Pull transcripts and briefs through the earnings call transcript API or MCP →

Revenue & result across quarters

Revenue Net income YoY up YoY down artefacts
· $192,000 −$31.60M '22 Q3 22-11-03 · $16,000 −$25.07M '22 Q4 23-03-01 · $372,000 −$21.90M '23 Q1 23-05-09 ▲312.1% $2.83M −$22.93M '23 Q2 23-08-08 ▲704.7% $1.54M −$16.62M '23 Q3 23-11-07 ▲17375% $2.80M −$16.13M '23 Q4 24-03-13 ▲636% $2.74M −$18.31M '24 Q1 24-05-07 ▼87.7% $348,000 −$21.94M '24 Q2 24-08-14 ▼76.8% $359,000 −$22.49M '24 Q3 24-11-13 ▲1.9% $2.85M −$23.48M '24 Q4 25-03-31 ▼78.1% $599,000 −$18.03M '25 Q1 25-05-15 ▲577.6% $2.36M −$11.06M '25 Q2 25-08-14 ▼40.4% $214,000 −$10.38M '25 Q3 25-11-13 ▼155.7% $ −$23.98M '25 Q4 26-03-05 ▼78.6% $128,000 −$15.92M '26 Q1 26-05-07 LATEST ▼96.9% $73,000 −$15.55M '26 Q2 26-08-11
Earnings call
FY26 · Q2
2026-08-11
ESS Tech, Inc. (GWH) Q2 2026 Earnings Call Transcript
Positive tone Bridge sodium-ion product Proposed business combination / LOI AI data center / hyperscaler demand
Revenue
$73,000
▼ 96.9% YoY
Diluted EPS
$-0.46
Gross margin
-10165.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY26 · Q1
2026-05-07
ESS Tech, Inc. (GWH) Q1 2026 Earnings Call Transcript
Positive tone Technology validation and pilots Cost discipline and financial results Volt Storage IP acquisition
Revenue
$128,000
▼ 78.6% YoY
Diluted EPS
$-0.54
Gross margin
-5498.4%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q4
2026-03-05
ESS Tech, Inc. (GWH) Q4 2025 Earnings Call Transcript
Positive tone Restructuring and Operational Transformation Balance Sheet and Liquidity Commercial Pipeline and Tier 1 Customers
Revenue
$*
▼ 155.7% YoY
Gross margin
610.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY25 · Q3
2025-11-13
ESS Tech, Inc. (GWH) Q3 2025 Earnings Call Transcript
Positive tone Energy Base product and platform Customer pipeline and partnerships Capital raising and liquidity
Revenue
$214,000
▼ 40.4% YoY
Diluted EPS
$-0.73
Gross margin
-2207.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q2
2025-08-14
ESS Tech, Inc. (GWH) Q2 2025 Earnings Call Transcript
Positive tone Energy Base product and pipeline Leadership changes and transition Capital raising and liquidity
Revenue
$2.36M
▲ 577.6% YoY
Diluted EPS
$-0.90
Gross margin
-216.3%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY25 · Q1
2025-05-15
ESS Tech, Inc. (GWH) Q1 2025 Earnings Call Transcript
Balanced tone Energy Base product launch and commercial momentum Arizona utility RFP win Tariffs and trade policy
Revenue
$599,000
▼ 78.1% YoY
Diluted EPS
$-1.50
Gross margin
-1360.1%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q4
2025-03-31
ESS Tech, Inc. (GWH) Q4 2024 Earnings Call Transcript
Cautious tone Strategic shift and Energy Base product launch Capital raising and liquidity Field deployments and operational learnings
Revenue
$2.85M*
▲ 1.9% YoY
Gross margin
-462.7%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY24 · Q3
2024-11-13
ESS Tech, Inc. (GWH) Q3 2024 Earnings Call Transcript
Positive tone Long-duration energy storage market opportunity EC product launch Customer deployments and field performance
Revenue
$359,000
▼ 76.8% YoY
Diluted EPS
$-1.90
Gross margin
-3449.0%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q2
2024-08-14
ESS Tech, Inc. (GWH) Q2 2024 Earnings Call Transcript
Positive tone Shipment delays and revenue timing Energy Center product ramp and certifications Manufacturing capacity expansion (Line 2)
Revenue
$348,000
▼ 87.7% YoY
Diluted EPS
$-1.87
Gross margin
-3275.9%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY24 · Q1
2024-05-07
ESS Tech, Inc. (GWH) Q1 2024 Earnings Call Transcript
Confident tone Geographic focus Energy Center product progress Cost reduction and path to profitability
Revenue
$2.74M
▲ 636% YoY
Diluted EPS
$-1.57
Gross margin
-306.4%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q4
2024-03-13
ESS Tech, Inc. (GWH) Q4 2023 Earnings Call Transcript
Positive tone Revenue shortfall and customer delays Honeywell partnership Long-duration energy storage market opportunity
Revenue
$2.80M*
▲ 17375% YoY
Gross margin
-268.8%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY23 · Q3
2023-11-07
ESS Tech, Inc. (GWH) Q3 2023 Earnings Call Transcript
Revenue
$1.54M
▲ 704.7% YoY
Diluted EPS
$-1.59
Gross margin
-559.1%
Rev · 8q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q2
2023-08-08
ESS Tech, Inc. (GWH) Q2 2023 Earnings Call Transcript
Revenue
$2.83M
▲ 312.1% YoY
Diluted EPS
$-2.25
Gross margin
100.0%
Rev · 7q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY23 · Q1
2023-05-09
ESS Tech, Inc. (GWH) Q1 2023 Earnings Call Transcript
Revenue
$372,000
Diluted EPS
$-2.10
Gross margin
100.0%
Rev · 6q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q4
2023-03-01
ESS Tech, Inc. (GWH) Q4 2022 Earnings Call Transcript
Revenue
$16,000*
Rev · 5q Trailing quarterly revenue
Audio Transcript Slides 8-K10-K
Earnings call
FY22 · Q3
2022-11-03
ESS Tech, Inc. (GWH) Q3 2022 Earnings Call Transcript
Revenue
$192,000
Diluted EPS
$-3.15
Gross margin
100.0%
Rev · 5q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q2
2022-08-11
ESS Tech, Inc. (GWH) Q2 2022 Earnings Call Transcript
Revenue
$686,000
Diluted EPS
$-1.50
Rev · 4q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY22 · Q1
2022-05-12
ESS Tech, Inc. (GWH) Q1 2022 Earnings Call Transcript
Revenue
$
Diluted EPS
$-0.60
Rev · 3q Trailing quarterly revenue
Audio Transcript Slides 8-K10-Q
Earnings call
FY21 · Q4
2022-02-24
ESS Tech, Inc. (GWH) Q4 2021 Earnings Call Transcript
Results not yet reported
Audio Transcript Slides 8-K10-K
Showing 1–19 of 19 webcasts
Key facts CIK 1819438 CUSIP 26916J205 13F (30d) 2 filings 2 filers Visit website Investor relations