Highest-materiality recent filing
NYSE to delist ESS Tech warrants (GWH.W) for abnormally low trading prices
NYSE notified ESS Tech on June 30, 2026, to delist Public Warrants due to abnormally low price levels.
ESS accelerates sodium-ion BESS, reports $13.6M cash, streamlines Wilsonville ops
Cash, equivalents and short-term investments of $13.6M as of May 31, 2026 (unaudited).
ESS Tech receives NYSE deficiency notice for low stock price; 30-day avg $0.98
NYSE notified ESS on June 9, 2026, that average closing price below $1.00 over 30 trading days.
ESS Tech Q1 net loss narrows to $15.9M; revenue $128k; new AFRL and SRP/Google deals
Revenue $128K vs $0.6M YoY; net loss $(15.9)M ($0.54 per share) vs $(18.0)M prior year.
ESS Tech reports FY2025 net loss $63.4M, Adj. EBITDA -$44.3M, cash strengthened
Revenue of $1.6M; net loss improved to $63.4M from $86.2M in 2024; Adj. EBITDA -$44.3M vs -$71.3M.
On January 29, 2026, ESS Tech entered into a securities purchase agreement to sell 3,471,428 shares and 5,100,000 pre-funded warrants at $1.75 per share or $1.74999 per warrant.
ESS Tech prelim FY2025 rev $1.6M, op loss $55M; CEO Buckley added to board
Cash, equivalents, and short-term investments ~$22M at Dec 31, 2025, up $18.5M from Sep 30, 2025.
ESS Tech launches $75M at-the-market offering; proceeds to repay Yorkville promissory note
Entered ATM agreement with Yorkville, BMO, Canaccord, Needham & Stifel to sell up to $75M of common stock.
ESS Tech closes $40M note financing with Yorkville; warrant for 1.05M shares at $9.98
Unsecured promissory note of $40M in two tranches: $30M now, $10M upon ATM agreement with Yorkville Securities.
ESS Tech Q2 revenue $2.4M (+294% QoQ); secures up to $31M in new capital
GAAP revenue $2.4M (+294% QoQ); net loss and adjusted EBITDA improved 50% YoY.
ESS Tech terminates CFO Anthony Rabb; appoints Kate Suhadolnik as interim CFO
Anthony Rabb terminated without severance effective August 1, 2025; not related to accounting or financial reporting issues.
ESS announces $31M insider-led funding package, preliminary Q2 rev $2.4M, first Energy Base order
$28.5M Yorkville equity facility + $0.9M insider bridge notes + $4.0M equipment sale-leaseback cash.
ESS Tech closes orders for $2.5M revenue & $1M PTC sale in Q2; still needs near-term funding
Closed additional Energy Warehouse and Energy Center orders as part of inventory movement strategy.
ESS Tech warns of potential shutdown; issues WARN notices for Wilsonville site
As of May 27, 2025, ESS Tech has not raised capital needed to avoid or postpone a shutdown.
ESS Tech Q1 revenue $0.6M; awards 50 MWh Energy Base; proposals $400M; managing liquidity
Revenue of $0.6M for Q1 2025 from final Energy Center deliveries and Florida utility project.
ESS Tech reports FY2024 revenue of $6.3M, misses guidance; reaches Energy Center cost target early
FY2024 revenue of $6.3M was below the low end of guidance due to partner funding delays.
ESS Tech receives NYSE delisting notice for low market cap and equity
30-day avg market cap $47.8M; reported equity $49.2M as of Sept 30, 2024.
ESS CEO Eric Dresselhuys resigns; interim CEO Goodman appointed; board explores strategic options
CEO Eric Dresselhuys separated Feb 13, 2025; receives 12 months base salary ($500K) plus COBRA and accelerated equity vesting.
ESS Tech guides FY2024 revenue $9-11M; delays in Q3 revenue recognition; secures $20M EXIM loan
Revenue guidance for full year 2024 of $9-11 million, implying meaningful year-on-year growth.
ESS Tech effects 1-for-15 reverse stock split to meet NYSE minimum bid price
Reverse split effective Aug 23, 2024 at 4:01 PM ET; common stock opens on post-split basis Aug 26.
ESS Tech Q2 revenue miss; secures $50M EXIM funding; cash >$74M
Cash & short-term investments >$74M; expected to fund operations well into 2025.
ESS Tech Q1 revenue $2.7M, seven-fold YoY; cash >$89M; orders second automation line
Q1 revenue $2.7M (seven-fold YoY increase); cash >$89M, expected into H1 2025.
ESS Tech reports record FY 2023 revenue of $7.5M, lowers Q4 adj. EBITDA loss >50% YoY
Q4 & FY 2023 revenue: $7.5M (record); cash & short-term investments >$100M exiting 2023.
ESS Tech receives NYSE deficiency notice for average share price below $1.00
On March 6, NYSE notified ESS that 30-day avg closing price of $0.94 is below $1.00 minimum listing standard.
YTD revenue $4.7M, up ~700% YoY; expects Q4 revenue material increase leading to ~$9M full year.
ESS Tech gets $27.5M equity investment from Honeywell, enters supply and IP deals
Honeywell Ventures invested $27.5M for 16.5M common shares and a warrant for 10.6M shares at $1.89.
ESS Tech Q2 revenue $2.8M record; ships 9 Energy Warehouses to 4 new customers
Record Q2 revenue $2.8M; shipped 9 Energy Warehouses to 4 new customers.
EY declined to stand for re-election as auditor for FY2023; no dispute with the company.
ESS Tech reports Q3 revenue $189K, appoints Anthony Rabb as CFO
Q3 2022 revenue of $189K from one Energy Warehouse unit deployed by Sycamore International.
On June 12, 2026, Rich Hossfeld notified ESS Tech, Inc. (the “Company”) that he is resigning from the board of directors (the “Board”) of the Company and Audit Committee of the Board (the “Audit Committee”), effective as of June 12, 2026.
Raffi Garabedian will replace Mr. Hossfeld on the Audit Committee, effective as of June 12, 2026.
On February 13, 2025, Eric Dresselhuys, Chief Executive Officer of ESS Tech, Inc. (the “Company”), separated from the Company and resigned as a member of Company’s Board of Directors (the “Board”).
In connection with Mr. Dresselhuys’ departure, Kelly F. Goodman, the Company’s current Vice President of Legal and Corporate Secretary, will be appointed as the interim Chief Executive Officer and Principal Executive Officer of the Company, effective February 13, 2025, until her successor is duly appointed and qualified.
the Board appointed Harry Quarls as a member of the Board and as Chairman of the Board.
Michael R. Niggli resigned as Chairman of the Board and the Board appointed Harry Quarls as a member of the Board and as Chairman of the Board.
On May 17, 2023, in connection with the end of his term with the Company’s board of directors ("Board"), Craig Evans, Co-Founder and President of ESS Tech, Inc. (the “Company”) tendered his resignation as President to be effective as of the commencement of the 2023 annual meeting of stockholders (the "Annual Meeting") held on May 19, 2023.
On November 25, 2022, Claudia Gast resigned as a member of the Board of Directors
On November 3, 2022, Amir Moftakhar, Chief Financial Officer of the Company tendered his resignation as Chief Financial Officer to be effective as of November 4, 2022.
On November 3, 2022, the Company announced the appointment of Anthony Rabb as Chief Financial Officer of the Company, effective November 4, 2022
On August 24, 2022, Jeff Bodner, Chief Accounting Officer of ESS Tech, Inc. (the “Company”) tendered his resignation from the Company, to be effective as of September 12, 2022.
In connection with Mr. Bodner’s resignation, Amir Moftakhar, the Company’s Chief Financial Officer, will assume the role and responsibilities of principal accounting officer on an interim basis as of the effective date of Mr. Bodner’s resignation.
Max materiality 0.95 · Median 0.60 · Most common event earnings