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Form S-3 ESS Tech, Inc.

Tue, 08 Sep 2026 17:27:00 -0400

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Form 8-K ESS Tech, Inc. For: Aug 28

Thu, 03 Sep 2026 16:36:00 -0400

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ESS Achieves “Awardable” Status Through Department of War’s Tradewinds Solutions Marketplace

Wed, 02 Sep 2026 08:31:00 -0400

Designation Provides a Faster Procurement Pathway for ESS’s Energy Storage Solutions by Department of War Customers Seeking Resilient, Domestically Sourced Energy Solutions

WILSONVILLE, Ore.--(BUSINESS WIRE)-- ESS Tech, Inc. (NYSE: GWH) ("ESS" or the "company"), a leading provider of safer, non-lithium energy storage solutions, today announced that it has achieved Awardable status through the Chief Digital and Artificial Intelligence Office’s (“CDAO”) Tradewinds Solutions Marketplace, positioning the company’s energy storage technology for consideration by Department of War customers seeking innovative solutions to support energy resilience and other mission-critical applications.

This press release features multimedia. View the full release here:

ESS Achieves “Awardable” Status Through Department of War’s Tradewinds Solutions Marketplace

Wed, 02 Sep 2026 08:31:00 -0400

Designation Provides a Faster Procurement Pathway for ESS’s Energy Storage Solutions by Department of War Customers Seeking Resilient, Domestically Sourced Energy Solutions

This press release features multimedia. View the full release here:

Exclusive: ESS Tech holders would own 5-10% of combined company under LOI terms

Tue, 01 Sep 2026 14:17:09 -0400

Investing.com -- Existing ESS Tech stockholders would hold roughly 5% to 10% of the combined company under the proposed business combination announced in early August, chief executive Drew Buckley told Investing.com.

The disclosure provides a key detail after ESS revealed it has signed a non-binding letter of intent with an unnamed private company in the energy sector, a transaction the company has said implies a combined enterprise value of about $515 million and a premium valuation for ESS at signing.

“Based on the current contemplated structure and subject to final valuations, ESS stockholders are expected to own approximately 5% to 10%

Form 4 ESS Tech, Inc. For: Aug 21 Filed by: Suhadolnik Kate Eileen

Mon, 24 Aug 2026 16:10:00 -0400

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Form 4 ESS Tech, Inc. For: Aug 21 Filed by: Suhadolnik Kate Eileen

Mon, 24 Aug 2026 16:10:00 -0400

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Form 4 ESS Tech, Inc. For: Aug 21 Filed by: Goodman Kelly F.

Mon, 24 Aug 2026 16:09:00 -0400

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Form 4 ESS Tech, Inc. For: Aug 21 Filed by: Goodman Kelly F.

Mon, 24 Aug 2026 16:09:00 -0400

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Form 8-K ESS Tech, Inc. For: Aug 20

Fri, 21 Aug 2026 16:09:00 -0400

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Form 8-K ESS Tech, Inc. For: Aug 20

Fri, 21 Aug 2026 16:09:00 -0400

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ESS Tech closes $3.2M stock offering at $0.50 per share