---
schema_version: "secwatch.filing_event.v1"
accession: "0001819438-26-000077"
form_type: "8-K"
ticker: "GWH"
cik: "0001819438"
company_name: "ESS Tech, Inc."
filed_at: "2026-08-21T20:09:04+00:00"
generated_at: "2026-08-21T20:10:09.347123+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ESS Tech raises $3.2M in registered direct offering; 6.4M shares at $0.50 plus warrants

## Summary
- Sold 6.4M shares at $0.50/share; gross proceeds ~$3.2M, net ~$2.5M after fees.
- Issued 12.8M warrants at $0.50 exercise price; exercisable only after stockholder approval, 5-year term.
- Proceeds: repay $1.5M promissory note with YA II PN, Ltd., plus general corporate use.
- Roth Capital Partners placement agent; 7% cash fee plus 320k share warrant; 90-day lock-up for officers/directors.
- Company to seek stockholder approval for warrant issuance and reverse stock split within 60 days.

## SEC filing metadata
- accession: 0001819438-26-000077
- form_type: 8-K
- ticker: GWH
- cik: 0001819438
- company_name: ESS Tech, Inc.
- filed_at: 2026-08-21T20:09:04+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000077/0001819438-26-000077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000077/wk-20260820.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819438-26-000077
- JSON: https://secwatch.observer/filing/0001819438-26-000077.json
- Plain text: https://secwatch.observer/filing/0001819438-26-000077.txt

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