---
schema_version: "secwatch.filing_event.v1"
accession: "0001819438-26-000088"
form_type: "8-K"
ticker: "GWH"
cik: "0001819438"
company_name: "ESS Tech, Inc."
filed_at: "2026-10-05T12:39:56+00:00"
generated_at: "2026-10-12T14:46:52.756834+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# NYSE suspends ESS Tech trading and starts delisting over $15M market cap shortfall

## Summary
- On Oct. 2, 2026, NYSE Regulation suspended trading in ESS Tech's common stock and began delisting proceedings under Section 802.01B.
- NYSE said ESS fell below the continued listing standard requiring average global market capitalization of at least $15,000,000 over 30 consecutive trading days.
- A prior Sept. 24, 2026 NYSE Regulation delisting determination under Section 802.02 remains in effect.
- ESS intends to request a review by an NYSE Board committee within 10 business days; shares may be quoted OTC under GWHT.
- CEO Drew Buckley said ESS continues to pursue strategic transaction opportunities and will keep filing annual, quarterly, and current reports with the SEC.

## SEC filing metadata
- accession: 0001819438-26-000088
- form_type: 8-K
- ticker: GWH
- cik: 0001819438
- company_name: ESS Tech, Inc.
- filed_at: 2026-10-05T12:39:56+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 3.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000088/0001819438-26-000088-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819438/000181943826000088/wk-20261002.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819438-26-000088
- JSON: https://secwatch.observer/filing/0001819438-26-000088.json
- Plain text: https://secwatch.observer/filing/0001819438-26-000088.txt

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