ESS Tech, Inc.
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About the company
ESS Tech, Inc. is a global energy storage enterprise focused on developing and manufacturing iron flow batteries for commercial and large-scale utility applications. The company's product portfolio includes the Energy Warehouse, designed for on-site (behind-the-meter) energy management, and the Energy Center, an offering for grid-level (front-of-the-meter) power solutions.
- CEO
- Drew Buckley
- IPO
- 2021
- Employees
- 62
- HQ
- Wilsonville, OR, US
Price Chart
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- Market Cap
- $11.14M
- P/E
- -0.26
- P/S
- 10.02
- P/B
- 2.74
- EV/EBITDA
- -0.16
- Div Yield
- 0.00%
- Gross Margin
- -2904.95%
- Op Margin
- -4616.37%
- Net Margin
- -5515.83%
- ROE
- -1251.69%
- ROIC
- -140.81%
- Revenue
- $1.58M · -74.85%
- Net Income
- $-63,440,000 · 26.42%
- EPS
- $-4.34 · 40.71%
- Op Income
- $-55,700,000
- FCF YoY
- 32.50%
- 52W High
- $13.87
- 52W Low
- $0.56
- 50D MA
- $0.89
- 200D MA
- $1.86
- Beta
- 1.41
- Avg Volume
- 834.86K
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Jun 4, 26 | Buckley Drew P | buy | 25,000 |
| May 29, 26 | WELLMAN ALEXI | other | 13,513 |
| May 29, 26 | Quarls Harry | other | 13,513 |
| May 29, 26 | Nijhawan Sandeep | other | 13,513 |
| May 29, 26 | Hossfeld Rich | other | 13,513 |
| May 29, 26 | Garabedian Raffi | other | 13,513 |
| May 21, 26 | Suhadolnik Kate Eileen | sell | 1,735 |
| May 22, 26 | Suhadolnik Kate Eileen | sell | 1,922 |
| May 21, 26 | Goodman Kelly F. | sell | 2,482 |
| May 22, 26 | Goodman Kelly F. | sell | 2,751 |
Our GWH coverage
Recent articles, reports, and earnings notes.
Eos Energy Enterprises Rides Long-Duration Storage Demand: What to Watch
Eos Energy Enterprises, Inc. Right is expected to list on NASDAQ on 2026-07-06, but the price range has not been disclosed. The company is already public under NASDAQ: EOSE, so this is best viewed as a capital-markets event rather than a first-time IPO. Bull case: long-duration storage demand is real; bear case: the business is still loss-making and heavily dependent on financing.
Energy Storage Stocks to Own in 2026: 7 Names with Real Setup
These seven energy storage stocks span residential, utility-scale, and long-duration systems, with Fluence topping the list for the cleanest direct exposure and improving scale.
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Similar companies
Peers in the same neighborhood.
ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications
businesswire.com · Jul 8
ESS Added to Russell Microcap® Index
businesswire.com · Jun 29
ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
gurufocus.com · Jun 23
ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
businesswire.com · Jun 23
ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript
seekingalpha.com · Jun 3
ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026
businesswire.com · May 14
ESS Tech, Inc. (GWH) Q1 2026 Earnings Call Transcript
seekingalpha.com · May 8
ESS Tech, Inc. (GWH) Reports Q1 Loss, Lags Revenue Estimates
zacks.com · May 7
Headlines from third-party outlets — TickerSpark isn't affiliated with these sources.
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