| Balance Sheets | 2025-09-30 | 2025-06-30 | ||
|---|---|---|---|---|
| Cash and cash equivalents | 76,503 | 44,771 | ||
| Marketable securities | 214,605 | 262,509 | ||
| Prepaid expenses and other current assets | 9,277 | 11,898 | ||
| Total current assets | 300,385 | 319,178 | ||
| Property and equipment, net | 12,714 | 13,914 | ||
| Operating lease right-of-use assets | 15,869 | 16,990 | ||
| Restricted cash | 1,846 | 1,846 | ||
| Other assets | 4,471 | 4,494 | ||
| Total assets | 335,285 | 356,422 | ||
| Accounts payable | 4,757 | 2,217 | ||
| Accrued clinical supply costs | 3,547 | 5,150 | ||
| Accrued liabilities | 18,332 | 14,215 | ||
| Deferred revenue, current portion | 11,743 | 13,402 | ||
| Payable to collaboration partner | 10,788 | 6,607 | ||
| Refund liability to collaboration partner, current portion | 21,818 | 33,859 | ||
| Operating lease liabilities, current portion | 8,979 | 8,904 | ||
| Total current liabilities | 79,964 | 84,354 | ||
| Deferred revenue, long-term portion | 167,269 | 168,870 | ||
| Long-term debt | 9,611 | 9,536 | ||
| Refund liability to collaboration partner, long-term portion | 0 | 0 | ||
| Operating lease liabilities, long-term portion | 19,285 | 21,043 | ||
| Other long-term liabilities | 1,444 | 1,444 | ||
| Total liabilities | 277,573 | 285,247 | ||
| Common stock, 0.0001 par value 200,000,000 shares authorized 107,446,056 and 99,085,888 shares issued and outstanding as of september 30, 2025 and december 31, 2024, respectively | 10 | 9 | ||
| Additional paid-in capital | 992,294 | 971,192 | ||
| Accumulated other comprehensive income | 197 | 96 | ||
| Accumulated deficit | -934,789 | -900,122 | ||
| Total stockholders' equity | 57,712 | 71,175 | ||
| Total liabilities and stockholders equity | 335,285 | 356,422 | ||
Alector, Inc. (ALEC)
Alector, Inc. (ALEC)