Quick Answer
Alector, Inc. reported Net Income Loss of -$142.93 million for the year ending 2025.
- Alector, Inc. showed a decrease of -20.1% in Net Income Loss from 2024 to 2025.
- This data is from Alector, Inc.'s annual report (Form 10-K), filed with the SEC on February 25, 2026.
- XBRL data for this metric is available from 2017 to 2025 (9 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Quarterly values from 10-Q filings: Q1 2018: -$8.44 million | Q2 2018: -$11.12 million | Q3 2018: -$15.32 million | Q4 2018: -$17.37 million | Q1 2019: -$18.56 million | Q2 2019: -$24.56 million | Q3 2019: -$31.74 million | Q4 2019: -$30.53 million | Q1 2020: -$40.02 million | Q2 2020: -$45.33 million | Q3 2020: -$52.70 million | Q1 2021: -$52.17 million | Q2 2021: -$55.15 million | Q3 2021: $126.60 million | Q1 2022: -$44.62 million | Q2 2022: $9.88 million | Q3 2022: -$46.15 million | Q1 2023: -$45.86 million | Q2 2023: $1.38 million | Q3 2023: -$44.48 million | Q1 2024: -$36.08 million | Q2 2024: -$38.68 million | Q3 2024: -$42.22 million | Q1 2025: -$40.47 million | Q2 2025: -$30.52 million | Q3 2025: -$34.67 million.
- Over the full 9 years of available data (2017 to 2025), Alector, Inc.'s Net Income Loss has declined by 340.1%.
- Historical annual values: Fiscal year 2025: -$142.93 million | Fiscal year 2024: -$119.05 million | Fiscal year 2023: -$130.39 million | Fiscal year 2022: -$133.31 million | Fiscal year 2021: -$36.33 million | Fiscal year 2020: -$190.23 million | Fiscal year 2019: -$105.39 million | Fiscal year 2018: -$52.25 million | Fiscal year 2017: -$32.48 million.
- Data sourced from SEC EDGAR public filings as of August 9, 2026.
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