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Prothena Corp Public (PRTA) Accumulated Expenses (2016 - 2025)

Prothena Corp Public (PRTA) has 12 years of Accumulated Expenses data on record, last reported at $4.3 million in Q4 2025.

  • For Q4 2025, Accumulated Expenses fell 67.76% year-over-year to $4.3 million; the TTM value through Dec 2025 reached $4.3 million, down 67.76%, while the annual FY2025 figure was $4.3 million, 67.76% down from the prior year.
  • Accumulated Expenses reached $4.3 million in Q4 2025 per PRTA's latest filing, down from $30.3 million in the prior quarter.
  • Across five years, Accumulated Expenses topped out at $30.3 million in Q2 2025 and bottomed at $4.3 million in Q4 2025.
  • Average Accumulated Expenses over 5 years is $11.6 million, with a median of $9.8 million recorded in 2021.
  • Peak YoY movement for Accumulated Expenses: skyrocketed 69.96% in 2022, then plummeted 67.76% in 2025.
  • A 5-year view of Accumulated Expenses shows it stood at $6.4 million in 2021, then skyrocketed by 69.96% to $10.8 million in 2022, then skyrocketed by 36.41% to $14.7 million in 2023, then dropped by 8.8% to $13.4 million in 2024, then tumbled by 67.76% to $4.3 million in 2025.
  • Per Business Quant database, its latest 3 readings for Accumulated Expenses were $4.3 million in Q4 2025, $30.3 million in Q2 2025, and $13.4 million in Q4 2024.