---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-038349"
form_type: "8-K"
ticker: "GWH"
cik: "0001819438"
company_name: "ESS Tech, Inc."
filed_at: "2024-08-23T23:59:59+00:00"
generated_at: "2026-05-31T07:52:24.304239+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ESS Tech effects 1-for-15 reverse stock split to meet NYSE minimum bid price

## Summary
- Reverse split effective Aug 23, 2024 at 4:01 PM ET; common stock opens on post-split basis Aug 26.
- Outstanding shares reduced from ~178M to ~11.87M; authorized shares cut from 2B to 1B.
- No fractional shares issued; cash paid in lieu based on closing price prior to effective time.
- Public warrants adjusted: every 15 warrants now exercisable for 1 share at $172.50 per share.
- Purpose: to increase per-share trading price and comply with NYSE continued listing standard.

## SEC filing metadata
- accession: 0001628280-24-038349
- form_type: 8-K
- ticker: GWH
- cik: 0001819438
- company_name: ESS Tech, Inc.
- filed_at: 2024-08-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.03, 5.03, 5.07, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819438/000162828024038349/0001628280-24-038349-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819438/000162828024038349/wk-20240823.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-038349
- JSON: https://secwatch.observer/filing/0001628280-24-038349.json
- Plain text: https://secwatch.observer/filing/0001628280-24-038349.txt

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