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ESS Tech, Inc. (GWH)
NYSE: GWH · Real-Time Price · USD
0.6190
+0.0255 (4.30%)
At close: Aug 14, 2026, 4:00 PM EDT
0.6049
-0.0141 (-2.28%)
After-hours: Aug 14, 2026, 7:45 PM EDT

ESS Tech Cash Flow Statement

Millions USD. Fiscal year is Jan - Dec.

Operating Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Net Income
-65.83-63.44-86.22-77.58-77.97-477.12
Depreciation & Amortization
5.735.744.726.511.520.57
Asset Writedown & Restructuring Costs
6.031.71----
Stock-Based Compensation
4.485.4311.5810.6411.897.92
Other Operating Activities
9.416.67-0.737.18-25.52414.69
Change in Accounts Receivable
0.120.21.553.63-1.89-
Change in Inventory
4.564.83-3.33-14.66--
Change in Accounts Payable
-6.87-3.844.24-0.231.460.89
Change in Unearned Revenue
3.71-2.67-0.9211.51.883.66
Change in Other Net Operating Assets
-3.43-4.91-3.12-1.897-2.46
Operating Cash Flow
-42.09-50.28-72.22-54.9-81.62-51.85
Operating Cash Flow Growth
------

Investing Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Capital Expenditures
-3.33-3.39-7.29-5.79-14.18-2.77
Investment in Securities
0.1610.9272.0520.86-103.7-
Investing Cash Flow
-3.177.5364.7615.07-117.88-2.77

Financing Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Long-Term Debt Issued
-27.03---20
Long-Term Debt Repaid
--21.05--1.73-1.9-21.07
Net Debt Issued (Repaid)
0.45.98--1.73-1.9-1.07
Issuance of Common Stock
55.4437.840.4727.910.6611
Repurchase of Common Stock
-0.02-0.05-0.3-0.31-2.81-
Other Financing Activities
-0.31-0.31--0.21-0.02251.51
Financing Cash Flow
55.5143.460.1725.65-4.07288.45

Net Cash Flow

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Net Cash Flow
10.250.71-7.29-14.17-203.58233.84

Free Cash Flow

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Free Cash Flow
-45.42-53.67-79.51-60.69-95.8-54.62
Free Cash Flow Growth
------
Free Cash Flow Margin
--3390.46%-1263.11%-804.85%-10715.88%-
Free Cash Flow Per Share
-1.87-3.68-6.75-5.69-9.41-9.84
Levered Free Cash Flow
-33.59-33.34-41.12-47.33-58.69-28.94
Unlevered Free Cash Flow
-28.1-29.93-41.12-47.33-58.69-27.76

Additional Metrics

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Cash Interest Paid
0.69---0.151.8
Change in Working Capital
-1.92-6.39-1.57-1.658.462.09
SEC Filings: 10-K · 10-Q