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Alector (ALEC) Operating Expenses (2018 - 2025)

Alector (ALEC) has disclosed Operating Expenses for 8 consecutive years, with $45.8 million as the latest value for Q4 2025.

  • Quarterly Operating Expenses fell 25.51% to $45.8 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $177.1 million through Dec 2025, down 27.88% year-over-year, with the annual reading at $177.1 million for FY2025, 27.9% down from the prior year.
  • Operating Expenses for Q4 2025 was $45.8 million at Alector, up from $40.9 million in the prior quarter.
  • The five-year high for Operating Expenses was $70.4 million in Q2 2022, with the low at $40.9 million in Q3 2025.
  • Average Operating Expenses over 5 years is $59.4 million, with a median of $61.1 million recorded in 2024.
  • The sharpest move saw Operating Expenses grew 24.39% in 2021, then tumbled 35.92% in 2025.
  • Over 5 years, Operating Expenses stood at $69.7 million in 2021, then increased by 0.22% to $69.9 million in 2022, then fell by 10.36% to $62.6 million in 2023, then fell by 1.84% to $61.5 million in 2024, then decreased by 25.51% to $45.8 million in 2025.
  • According to Business Quant data, Operating Expenses over the past three periods came in at $45.8 million, $40.9 million, and $42.0 million for Q4 2025, Q3 2025, and Q2 2025 respectively.