Where can I find news about GWH?

The latest headlines, third-party analysis, and SEC filings for ESS Tech, Inc. (GWH) are listed on this page. Headlines come from across the financial press; filings come directly from SEC EDGAR.

Where are GWH's SEC filings?

ESS Tech, Inc. (GWH)'s 10-K (annual report), 10-Q (quarterly report), 8-K (current report), and proxy filings are listed in the SEC Filings section on this page with direct links to the official EDGAR copies.

Where are GWH's earnings call transcripts?

Full earnings call transcripts for ESS Tech, Inc. (GWH) — prepared remarks plus speaker-by-speaker analyst Q&A — live on the Earnings tab, alongside the Earnings Reports section that links each quarter's press release and SEC report.

GWH

ESS Tech, Inc.

NYSE·Electrical Equipment & Parts · Industrials

$0.38$0.00−0.26%

After hours·$0.38+1.35%

Market cap$11.08M·Market closed·Aug 26 8:00 PM UTC

News & Analysis

ESS Tech Targets AI Data Centers With Sodium-Ion Storage Pivot
ESS Tech (NYSE: GWH) is pursuing a two-platform energy-storage strategy centered on near-term sodium-ion batteries and longer-duration iron flow batteries, CEO Drew Buckley said during Sidoti and Company's August 2026 Micro-Cap Conference. Buckley, who became CEO in January, said the company has reassessed its business following challenges commercializing its legacy iron flow technology. He described ESS's
defenseworld.netAug 22, 2026 · 3:03 AM
ESS Tech, Inc. (GWH) Q2 2026 Earnings Call Transcript
ESS Tech, Inc. (GWH) Q2 2026 Earnings Call Transcript
seekingalpha.comAug 11, 2026 · 7:37 PM
ESS Tech, Inc. (GWH) Reports Q2 Loss, Lags Revenue Estimates
ESS Tech, Inc. (GWH) came out with a quarterly loss of $0.46 per share versus the Zacks Consensus Estimate of a loss of $0.44. This compares to a loss of $0.9 per share a year ago.
zacks.comAug 11, 2026 · 6:46 PM
ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications.
businesswire.comJul 8, 2026 · 8:31 AM
ESS Added to Russell Microcap® Index
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Added to Russell Microcap® Index.
businesswire.comJun 29, 2026 · 8:31 AM
ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
ESS Tech, Inc. (NYSE: GWH) (âESSâ or the âcompanyâ), a leading provider of non-lithium energy storage solutions, today announced strong early customer e
gurufocus.comJun 23, 2026 · 9:00 AM
ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest.
businesswire.comJun 23, 2026 · 8:31 AM
ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript
ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript
seekingalpha.comJun 3, 2026 · 7:32 PM

SEC Filings

8-K
Aug 21, 2026View on SEC
424B5
Aug 20, 2026View on SEC
SC 13G/A
Aug 14, 2026View on SEC
SC 13G/A
Aug 13, 2026View on SEC
10-Q
Aug 11, 2026View on SEC
8-K
Aug 11, 2026View on SEC

Frequently Asked Questions About GWH

Where can I find news about GWH?: The latest headlines, third-party analysis, and SEC filings for ESS Tech, Inc. (GWH) are listed on this page. Headlines come from across the financial press; filings come directly from SEC EDGAR.
Where are GWH's SEC filings?: ESS Tech, Inc. (GWH)'s 10-K (annual report), 10-Q (quarterly report), 8-K (current report), and proxy filings are listed in the SEC Filings section on this page with direct links to the official EDGAR copies.
Where are GWH's earnings call transcripts?: Full earnings call transcripts for ESS Tech, Inc. (GWH) — prepared remarks plus speaker-by-speaker analyst Q&A — live on the Earnings tab, alongside the Earnings Reports section that links each quarter's press release and SEC report.

ESS Tech, Inc.

Frequently Asked Questions About GWH

ESS Tech, Inc.

ESS Tech Targets AI Data Centers With Sodium-Ion Storage Pivot

ESS Tech, Inc. (GWH) Q2 2026 Earnings Call Transcript

ESS Tech, Inc. (GWH) Reports Q2 Loss, Lags Revenue Estimates

ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications

ESS Added to Russell Microcap® Index

ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest

ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest

ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript

Frequently Asked Questions About GWH

ESS Tech Targets AI Data Centers With Sodium-Ion Storage Pivot

ESS Tech, Inc. (GWH) Q2 2026 Earnings Call Transcript

ESS Tech, Inc. (GWH) Reports Q2 Loss, Lags Revenue Estimates

ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications

ESS Added to Russell Microcap® Index

ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest

ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest

ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript