| Cash Flow | 2025-09-30 | 2025-06-30 |
|---|---|---|
| Net loss | -39,457 | -29,082 |
| Depreciation and amortization | 4,571 | 3,085 |
| Non-cash interest income | -402 | -155 |
| Non-cash lease expense | 1,112 | 731 |
| Stock-based compensation expense | 3,945 | 2,699 |
| Change in fair value of common stock warrant liabilities | -344 | -344 |
| Other non-cash expenses, net | -192 | -199 |
| Accounts receivable, net | -108 | -86 |
| Inventory write-down and losses on noncancellable purchase commitments | - | -744 |
| Inventory | -320 | -1,025 |
| Prepaid expenses and other assets | -2,668 | -468 |
| Accounts payable | 353 | 1,268 |
| Accrued and other liabilities | -4,494 | -1,465 |
| Accrued product warranties | -1,090 | -1,090 |
| Deferred revenue | -2,659 | -6,458 |
| Operating lease liabilities | -1,253 | -820 |
| Net cash used in operating activities | -36,430 | -30,597 |
| Purchases of property and equipment | 1,074 | 1,491 |
| Maturities and purchases of short-term investments, net | -18,411 | -18,411 |
| Net cash provided by investing activities | 17,337 | 16,920 |
| Proceeds from issuance of common stock and common stock warrants, net of commission fees | 4,789 | - |
| Proceeds from financing arrangements | 4,000 | - |
| Proceeds from stock options exercised | 5 | 6 |
| Proceeds from issuance of common stock, net of commission fees | - | 721 |
| Proceeds from contributions to employee stock purchase plan | 103 | 103 |
| Repurchase of shares from employees for income tax withholding purposes | 36 | 27 |
| Net cash provided by financing activities | 8,861 | 803 |
| Net change in cash, cash equivalents and restricted cash | -10,232 | -12,874 |
| Cash and cash equivalents at beginning of period | 15,195 | - |
| Cash and cash equivalents at end of period | 4,963 | - |
ESS Tech, Inc. (GWH)
ESS Tech, Inc. (GWH)