ESS Tech, Inc.
Miscellaneous Electrical Machinery, Equipment & Supplies · WILSONVILLE
Moderate confidence (50%)
Updated Oct 15, 2026, 12:02 AM
What is happening
Derived by rule set status-rules-2026.09.7
An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.
Latest material event: ESS Tech, Inc. received a delisting notice from its exchange (Oct 2, 2026)
Timeline
Every material event, newest first. History is never overwritten.
ESS Tech, Inc. received a delisting notice from its exchange
Oct 2, 2026
Delisting notice received
- SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On October 2, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ) that the staff of NYSE Regulation ( NYSE Regulation ) had determined to commence proceedings to delist the Company s common stock (the Common Stock ) from the NYSE and that trading in the Common Stock was suspended immediately. NYSE Regulation reached its decision to commence delisting proceedings pursuant to Section 802.01B of the NYSE Listed Company Manual because the Company had falle…”
ESS Tech, Inc. received a delisting notice from its exchange
Sep 24, 2026
Delisting notice received
- SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On September 24, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ) that the staff of NYSE Regulation had determined to commence proceedings to delist the Company s common stock, which is listed to trade on the NYSE under the symbol GWH, from the NYSE. NYSE Regulation determined that the Company s common stock was no longer suitable for listing pursuant to Section 802.02 of the NYSE Listed Company Manual because the Company was unable to demonstrate t…”
ESS Tech, Inc. was delisted from its exchange
Jul 2, 2026
Delisting effective
- SEC EDGAR — “X0203 0000876661 NEW YORK STOCK EXCHANGE LLC 0001819438 ESS Tech, Inc. 001-39525 26440 SW Parkway Avenue Wilsonville OR OREGON 97070 Warrants, each Warrant exercisable for one-fifteenth (1/15) of a share of Common Stock at an exercise price of $172.50 per share 17 CFR 240.12d2-2(b) Tyler Mastronardi Analyst, Market Watch 2026-07-02”
ESS Tech, Inc. received a delisting notice from its exchange
Jun 30, 2026
Delisting notice received
- SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On June 30, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ), and, on July 1, 2026, the NYSE publicly announced that it has determined to (a) commence proceedings to delist the Company s Public Warrants which were previously issued in connection with ACON S2 Acquisition Corp. s initial public offering (the Public Warrants ) (each fifteen Public Warrants is exercisable for one share of the Company s common stock at a price of $172.50 per share) and l…”
ESS Tech, Inc. received a delisting notice from its exchange
Jun 9, 2026
Delisting notice received
- SEC EDGAR — “Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On June 9, 2026, ESS Tech, Inc. (the Company ) received a written notice (the Notice ) from the New York Stock Exchange ( NYSE ) indicating that the Company did not satisfy the continued listing standard set forth in Section 802.01C of the NYSE Listed Company Manual ( Section 802.01C ), as the average closing price of the Company s common stock was less than $1.00 per share over a consecutive 30 trading-day period. As of June 8, 2026, the 30 trading-day average closing share price of…”
Company information
- Founded
- —
- Employees (estimate)
- —
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- Subindustry
- —
- Listing
- SEC lists the tickers GWH and GWHWW on NYSE and OTC.
- SEC CIK
- 0001819438
- Website
- —
- —
- Headquarters
- WILSONVILLE
- Also known as
- ACON S2 Acquisition Corp.
- Legal entities
- ESS Tech, Inc.
Sources
Every material source used to build this profile.
SEC EDGAR (TIER 1 · UNVERIFIED)
Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On October 2, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ) that the staff of NYSE Regulation ( NYSE Regulation ) had determined to commence proceedings to delist the Company s common stock (the Common Stock ) from the NYSE and that trading in the Common Stock was suspended immediately. NYSE Regulation reached its decision to commence delisting proceedings pursuant to Section 802.01B of the NYSE Listed Company Manual because the Company had falle…
View source recordSEC EDGAR (TIER 1 · UNVERIFIED)
Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On September 24, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ) that the staff of NYSE Regulation had determined to commence proceedings to delist the Company s common stock, which is listed to trade on the NYSE under the symbol GWH, from the NYSE. NYSE Regulation determined that the Company s common stock was no longer suitable for listing pursuant to Section 802.02 of the NYSE Listed Company Manual because the Company was unable to demonstrate t…
View source recordSEC Company Submissions (TIER 1 · UNVERIFIED)
ESS Tech, Inc. — Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690) — WILSONVILLE, OR
View source recordSEC EDGAR (TIER 1 · UNVERIFIED)
X0203 0000876661 NEW YORK STOCK EXCHANGE LLC 0001819438 ESS Tech, Inc. 001-39525 26440 SW Parkway Avenue Wilsonville OR OREGON 97070 Warrants, each Warrant exercisable for one-fifteenth (1/15) of a share of Common Stock at an exercise price of $172.50 per share 17 CFR 240.12d2-2(b) Tyler Mastronardi Analyst, Market Watch 2026-07-02
View source recordSEC EDGAR (TIER 1 · UNVERIFIED)
Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On June 30, 2026, the New York Stock Exchange (the NYSE ) notified ESS Tech, Inc. (the Company ), and, on July 1, 2026, the NYSE publicly announced that it has determined to (a) commence proceedings to delist the Company s Public Warrants which were previously issued in connection with ACON S2 Acquisition Corp. s initial public offering (the Public Warrants ) (each fifteen Public Warrants is exercisable for one share of the Company s common stock at a price of $172.50 per share) and l…
View source recordSEC EDGAR (TIER 1 · UNVERIFIED)
Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On June 9, 2026, ESS Tech, Inc. (the Company ) received a written notice (the Notice ) from the New York Stock Exchange ( NYSE ) indicating that the Company did not satisfy the continued listing standard set forth in Section 802.01C of the NYSE Listed Company Manual ( Section 802.01C ), as the average closing price of the Company s common stock was less than $1.00 per share over a consecutive 30 trading-day period. As of June 8, 2026, the 30 trading-day average closing share price of…
View source record
Status history
Every derived status, with the rule that produced it.
- DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:29 AM
An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.
- DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:12 AM
An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 15, 2026, 12:31 PM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 13, 2026, 12:05 AM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:17 AM
The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.
- UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:12 AM
An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.