---
schema_version: "secwatch.filing_event.v1"
accession: "0001819438-26-000072"
form_type: "8-K"
ticker: "GWH"
cik: "0001819438"
company_name: "ESS Tech, Inc."
filed_at: "2026-08-11T20:10:42+00:00"
generated_at: "2026-08-11T20:12:32.880918+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# ESS Tech Q2 revenue $73K, net loss $15.6M; signs LOI for $515M EV business combination

## Summary
- Revenue $73K vs $2.4M YoY; net loss -$15.6M (-$0.46/share); adjusted EBITDA loss -$7.9M.
- Signed non-binding LOI for strategic business combination; implies $515M combined EV; ESS holders get 5-10% of combined co.
- LOI with Juniper Energy for 500+ MWh sodium-ion storage; planned 10MW/80MWh California project, commercial op 2027.
- Cash $5.6M at July 31; repaid $37M of $40M Yorkville note; pursuing incremental liquidity.
- Sodium-ion early-stage opportunities ~$1B; first Bridge module testing begun; Alsym LOI for 8.5 GWh cells.

## SEC filing metadata
- accession: 0001819438-26-000072
- form_type: 8-K
- ticker: GWH
- cik: 0001819438
- company_name: ESS Tech, Inc.
- filed_at: 2026-08-11T20:10:42+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000072/0001819438-26-000072-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000072/wk-20260811.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819438-26-000072
- JSON: https://secwatch.observer/filing/0001819438-26-000072.json
- Plain text: https://secwatch.observer/filing/0001819438-26-000072.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.