The New York Stock Exchange notified ESS Tech, Inc.
On EDGAR, not explained yet
ESS Tech
GWHT
Jun 30, 2026 figures: 3 months of cash, which would have lasted to Sep 2026; next 10-Q due Nov 16, 2026; raised since: Aug 21, 2026 424B5 from the 10-Q on EDGAR
Latest ESS Tech’s latest key filing is an 8-K from ; the newest of any kind is an 8-K from . Every ESS Tech filing is below, newest first.
Dilution Known so far: 8.1M possible new shares (24.6% of today's 33.0M) · shelf room about $4.5M · not yet read: warrants, converts, options, ATM; 14.3M registered for resale, not counted. Every source
Insiders 2 insiders sold $4K of ESS Tech stock on the open market in the last 90 days; no open-market buys. Every trade
The New York Stock Exchange notified ESS Tech, Inc.
On EDGAR, not explained yet.
Cash runway and key numbers
About 1 quarter of cash at the average operating burn of the last 2 quarters. At that burn, cash would have lasted to Sep 2026; next 10-Q due Nov 16, 2026; raised since: Aug 21, 2026 424B5.
- Cash
- $10.8M
- Operating burn a quarter, average of the last 2 quarters
- $11.2M
From the 10-Q 0001819438-26-000074 for the period ended Jun 30, 2026, as tagged in its XBRL. An estimate from reported figures, not a forecast or advice.
What ESS Tech does
ESS Tech, Inc. is a long-duration energy storage company that designs and produces iron flow batteries using earth-abundant materials. The company provides energy storage solutions for utilities, commercial and industrial customers, and independent power providers. Source
Products
Energy Base Product
A gigawatt-hour scale, fully configurable energy storage product that integrates with any site location and allows the power to be decoupled from the capacity. Source
Energy Warehouse Product
An energy storage product that is no longer offered for sale but is still under contract in the field. Source
Energy Center Product
An energy storage product that is no longer offered for sale but is still under contract in the field. Source
- Headquarters
- Wilsonville, Oregon Source
- Employees
- 62 full-time employees as of December 31, 2025 Source
- Customers
- Data centers, microgrids, critical infrastructure assets, and commercial and industrial customers. Source
- Customers
- Utilities experiencing high rates of renewable energy penetration and Independent Power Providers (IPPs). Source
From the 10-K filed Mar 5, 2026, Item 1, Business. Open the filing. Each line links to the passage it restates. The company's own description, summarized; not investment advice.
All filings
Results, 8-Ks and Major or Notable filings come first, then registrations and share actions, then everything else, newest first. Routine filings are kept here unmarked; insider filings are summed up in one line.
Results, 8-Ks and key filings
8-KESS TechGWHTLIVEEDGAR 8-KESS TechGWHTLIVEEDGAR ESS Tech reports an exchange listing deficiency notice and makes a Regulation FD disclosure
Listing notice; Reg FD disclosure
On EDGAR, not explained yet
8-KESS TechGWHTLIVEEDGAR Financing: agreement (8-K) with a 424B5 prospectus filed the same day. 424B5 on EDGAR
2 insiders sold $4K of ESS Tech stock on the open market in the last 90 days; no open-market buys. Every GWHT insider trade
Financing and share filings
EFFECTESS TechGWHTLIVEEDGAR Registration declared effective Sep 16
On EDGAR, not explained yet
424B3ESS TechGWHTLIVEEDGAR Prospectus for shares being sold
On EDGAR, not explained yet
Other filings
Possible new shares
Known so far: 8.1M possible new shares (24.6% of today's 33.0M) · shelf room about $4.5M · not yet read: warrants, converts, options, ATM.
14.3M registered for resale, already counted in today's shares where issued; 1.2M of them likely already outstanding.
- 6.4M new shares (19.4% of today's 33.0M) from the 424B5 of Aug 21, 2026
- 1.7M new shares (5.2% of today's 33.0M) from the 424B2 of Oct 15, 2025
- 1.2M shares registered for resale (3.6% of today's 33.0M) under the S-3 of Nov 13, 2025, newest prospectus the 424B5 of Jul 17, 2026; likely already outstanding
- 13.1M shares registered for resale (39.8% of today's 33.0M) under the S-3 of Sep 8, 2026, newest prospectus the 424B3 of Sep 16, 2026
Already in the Aug 6, 2026 share count: the shares sold in the 424B5 of Jan 30, 2026 (EDGAR).
Not read yet: warrants, convertible notes, options and RSUs and an ATM program.
Listing compliance
0 open of 4 listing notices from 8-K item 3.01.
- Oct 5, 2026 8-K item 3.01 notice; rule and cure date not stated, see the filing
- Sep 30, 2026 8-K item 3.01 notice; rule and cure date not stated, see the filing
- Jul 1, 2026 8-K item 3.01 notice; rule and cure date not stated, see the filing
- Jun 15, 2026 8-K item 3.01 notice; rule and cure date not stated, see the filing
Dates and rules are as stated in each 8-K item 3.01 filing; a blank means the filing did not state one. Read the filing for the full terms. All open notices
Trading halts
No trading halts for GWHT since Feb 22, 2019, when SEC Tracker began reading the Nasdaq Trader feed.
Halt times and codes from the Nasdaq Trader trade halts feed, which lists Nasdaq and other exchange halts. Filings matched by SEC Tracker from EDGAR by company and time. Not investment advice. All recent halts
Coming up
- Earnings, expected
- 10-Q, expected (deadline Nov 16)
Stated dates are as each filing on EDGAR gives them; an expected date is estimated from the company's past filing dates, the same estimate as the top of the page. Not investment advice.
ESS Tech shares and listing
From the company's own filings; each row names its source. Not investment advice.
- Shares outstandingas of Aug 6, 2026 (10-Q filed Aug 11)33Mwarrants, notes and options not read yet, so fully diluted is not known
- Listing compliance8-K item 3.014 noticesstatus not stated, see the filings
Insider activity
2 insiders sold $4K of ESS Tech stock on the open market in the last 90 days; no open-market buys.