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10-Q

Quarterly Report

Alector, Inc. ALEC

0001193125-25-269592

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Filed
Nov 6, 2025 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q3 2025 · Oct 31, 2025 109.15M sh
Shares Diluted Q3 2025 · Sep 30, 2025 102.6M sh
Shares Diluted Q3 2025 · Sep 30, 2025 100.8M sh
Shares Diluted Q3 2025 · Sep 30, 2024 97.52M sh
Shares Diluted Q3 2025 · Sep 30, 2024 96.01M sh
Capex Q3 2025 · Sep 30, 2025 $41K
Capex Q3 2025 · Sep 30, 2024 $1.08M
Operating Cash Flow Q3 2025 · Sep 30, 2025 −$142.34M
Operating Cash Flow Q3 2025 · Sep 30, 2024 −$174.88M
Long Term Debt Q3 2025 · Sep 30, 2025 $9.61M
Long Term Debt Q3 2025 · Dec 31, 2024 $9.39M
Cash And Equivalents Q3 2025 · Sep 30, 2025 $76.5M
Cash And Equivalents Q3 2025 · Dec 31, 2024 $33.02M
Cash And Equivalents Q3 2025 · Sep 30, 2024 $37.16M
Stockholders Equity Q3 2025 · Sep 30, 2025 $57.71M
Stockholders Equity Q3 2025 · Jun 30, 2025 $71.18M
Stockholders Equity Q3 2025 · Mar 31, 2025 $94.61M
Stockholders Equity Q3 2025 · Dec 31, 2024 $126.8M
Stockholders Equity Q3 2025 · Sep 30, 2024 $118.93M
Stockholders Equity Q3 2025 · Jun 30, 2024 $150.57M
Stockholders Equity Q3 2025 · Mar 31, 2024 $178.91M
Stockholders Equity Q3 2025 · Dec 31, 2023 $134.16M
Current Liabilities Q3 2025 · Sep 30, 2025 $79.96M
Current Liabilities Q3 2025 · Dec 31, 2024 $125.06M
Total Liabilities Q3 2025 · Sep 30, 2025 $277.57M
Total Liabilities Q3 2025 · Dec 31, 2024 $341.5M
Current Assets Q3 2025 · Sep 30, 2025 $300.39M
Current Assets Q3 2025 · Dec 31, 2024 $424.82M
Total Assets Q3 2025 · Sep 30, 2025 $335.29M
Total Assets Q3 2025 · Dec 31, 2024 $468.3M
Eps Diluted Q3 2025 · Sep 30, 2025 −$0.34
Eps Diluted Q3 2025 · Sep 30, 2025 −$1.05
Eps Diluted Q3 2025 · Sep 30, 2024 −$0.43
Eps Diluted Q3 2025 · Sep 30, 2024 −$1.22
Eps Basic Q3 2025 · Sep 30, 2025 −$0.34
Eps Basic Q3 2025 · Sep 30, 2025 −$1.05
Eps Basic Q3 2025 · Sep 30, 2024 −$0.43
Eps Basic Q3 2025 · Sep 30, 2024 −$1.22
Sga Expense Q3 2025 · Sep 30, 2025 $11.52M
Sga Expense Q3 2025 · Sep 30, 2025 $40.65M
Sga Expense Q3 2025 · Sep 30, 2024 $15.78M
Sga Expense Q3 2025 · Sep 30, 2024 $44.59M
Rd Expense Q3 2025 · Sep 30, 2025 $29.35M
Rd Expense Q3 2025 · Sep 30, 2025 $90.6M
Rd Expense Q3 2025 · Sep 30, 2024 $48M
Rd Expense Q3 2025 · Sep 30, 2024 $139.48M
Net Income Q3 2025 · Sep 30, 2025 −$34.67M
Net Income Q3 2025 · Sep 30, 2025 −$105.66M
Net Income Q3 2025 · Jun 30, 2025 −$30.52M
Net Income Q3 2025 · Mar 31, 2025 −$40.47M
Net Income Q3 2025 · Sep 30, 2024 −$42.22M
Net Income Q3 2025 · Sep 30, 2024 −$116.98M
Net Income Q3 2025 · Jun 30, 2024 −$38.68M
Net Income Q3 2025 · Mar 31, 2024 −$36.08M
Operating Income Q3 2025 · Sep 30, 2025 −$37.61M
Operating Income Q3 2025 · Sep 30, 2025 −$116.44M
Operating Income Q3 2025 · Sep 30, 2024 −$48.43M
Operating Income Q3 2025 · Sep 30, 2024 −$137.75M
Revenue Q3 2025 · Sep 30, 2025 $3.26M
Revenue Q3 2025 · Sep 30, 2025 $14.81M
Revenue Q3 2025 · Sep 30, 2024 $15.34M
Revenue Q3 2025 · Sep 30, 2024 $46.32M