Fundraising Fox

ESS Tech

NYSE: GWH

Wilsonville, US · Founded 2021 · Delaware corporation

Founders & leadership

AR
Anthony RabbExecutive
KG
Kelly GoodmanExecutive
EP
Eric P DresselhuysExecutive

Board

KT
Kyle TeameyBoard director
RH
Rich HossfeldBoard director
RG
Raffi GarabedianBoard director
SN
Sandeep NijhawanBoard director
AW
Alexi WellmanBoard director
MN
Michael NiggliBoard director
HQ
Harry QuarlsBoard director
AW
Alexi WelmanBoard director

Funding

SEC filings, press & company announcements

$31.6M disclosed across 3 of 4 rounds · 2023–2026

  • Undisclosed amountregistered direct offeringAug 2026
    Source ↗
  • $3.2MraisedAug 2026 · 2 sources
    Source ↗
$900KraisedJul 2025 · 7 investors · Manufacturing
Rule 506(b)
Officers, directors & promoters on the filing
  • Raffi GarabedianDirector
  • Sandeep NijhawanDirector
  • Alexi WellmanDirector
  • Anthony RabbExecutive Officer
  • Kyle TeameyDirector
  • Rich HossfeldDirector
  • Michael NiggliDirector
  • Kelly GoodmanExecutive Officer
  • Harry QuarlsDirector
Offering amount
$900K
Amount sold
$900K
Minimum investment
$585K
First sale
Jul 2025
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$27.5MraisedSep 2023 · 1 investors · Commercial
Rule 506(b)
Officers, directors & promoters on the filing
  • Harry QuarlsDirector
  • Sandeep NijhawanDirector
  • Rich HossfeldDirector
  • Michael R NiggliDirector
  • Kyle TeameyDirector
  • Eric P DresselhuysExecutive Officer, Director
  • Alexi WelmanDirector
  • Anthony RabbExecutive Officer
Offering amount
$27.5M
Amount sold
$27.5M
Minimum investment
$27.5M
First sale
Sep 2023
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

Frequently asked questions

How much funding has ESS Tech raised?
ESS Tech has disclosed $31.6M raised across 3 of its 4 known rounds.
Where is ESS Tech headquartered?
ESS Tech is headquartered in Wilsonville, US.