| Cash Flow | 2025-09-30 | 2025-06-30 |
|---|---|---|
| Net loss | -105,662 | -70,995 |
| Depreciation and amortization | 4,550 | 3,313 |
| Stock-based compensation | 21,815 | 15,413 |
| Amortization of premiums and accretion of discounts on marketable securities | 5,333 | 3,785 |
| Amortization of right-of-use assets | 2,852 | 1,757 |
| Amortization of debt discount and debt issuance costs | 215 | 140 |
| Impairment of right-of-use assets and leasehold improvements | 1,151 | 1,151 |
| Prepaid expenses and other current assets | -2,143 | 478 |
| Other assets | -73 | -50 |
| Accounts payable | 2,542 | 2 |
| Accrued liabilities and accrued clinical supply costs | -13,993 | -16,507 |
| Payable to collaboration partner | 4,874 | 693 |
| Deferred revenue | -14,808 | -11,548 |
| Refund liability to collaboration partner | 38,104 | 26,063 |
| Lease liabilities | -4,865 | -3,182 |
| Other long-term liabilities | 210 | 210 |
| Net cash used in operating activities | -142,340 | -109,829 |
| Purchase of property and equipment | 41 | 30 |
| Purchase of marketable securities | 190,831 | 131,879 |
| Maturities of marketable securities | 358,890 | 250,385 |
| Sale of marketable secuirities | 2,981 | 2,981 |
| Net cash provided by investing activities | 170,999 | 121,457 |
| Proceeds from issuance of common stock, net of issuance costs | 14,701 | - |
| Purchase of common stock under employee stock purchase plan | 122 | 122 |
| Proceeds from issuance of common stock upon public offering, net of issuance costs | - | 0 |
| Net cash provided by financing activities | 14,823 | 122 |
| Net increase (decrease) in cash, cash equivalents, and restricted cash | 43,482 | 11,750 |
| Cash and cash equivalents at beginning of period | 34,867 | - |
| Cash and cash equivalents at end of period | 78,349 | - |
Alector, Inc. (ALEC)
Alector, Inc. (ALEC)