---
schema_version: "secwatch.filing_event.v1"
accession: "0001819438-25-000027"
form_type: "8-K"
ticker: "GWH"
cik: "0001819438"
company_name: "ESS Tech, Inc."
filed_at: "2025-08-29T23:59:59+00:00"
generated_at: "2026-05-17T09:16:45.469651+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# ESS Tech schedules 2025 annual meeting for Oct 6; sets Sep 8 deadline for proposals

## Summary
- Annual meeting set for October 6, 2025.
- Stockholder proposals for proxy materials due by September 8, 2025.
- Nominations and other proposals (non-proxy) also due by September 8, 2025.
- Adjournments will not extend the deadline.

## SEC filing metadata
- accession: 0001819438-25-000027
- form_type: 8-K
- ticker: GWH
- cik: 0001819438
- company_name: ESS Tech, Inc.
- filed_at: 2025-08-29T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819438/000181943825000027/0001819438-25-000027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819438/000181943825000027/wk-20250829.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819438-25-000027
- JSON: https://secwatch.observer/filing/0001819438-25-000027.json
- Plain text: https://secwatch.observer/filing/0001819438-25-000027.txt

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