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Prothena Corp Public (PRTA) Other Working Capital Changes (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of Other Working Capital Changes data on record, last reported at -$21000.0 in Q4 2025.

  • For Q4 2025, Other Working Capital Changes rose 97.8% year-over-year to -$21000.0; the TTM value through Dec 2025 reached -$9.6 million, down 279.44%, while the annual FY2025 figure was -$9.6 million, 279.44% down from the prior year.
  • Other Working Capital Changes reached -$21000.0 in Q4 2025 per PRTA's latest filing, up from -$2.4 million in the prior quarter.
  • Across five years, Other Working Capital Changes topped out at $4.4 million in Q4 2021 and bottomed at -$24.8 million in Q3 2023.
  • Average Other Working Capital Changes over 5 years is -$2.6 million, with a median of -$1.5 million recorded in 2022.
  • Peak YoY movement for Other Working Capital Changes: crashed 1535.27% in 2023, then skyrocketed 97.8% in 2025.
  • A 5-year view of Other Working Capital Changes shows it stood at $4.4 million in 2021, then plummeted by 146.72% to -$2.1 million in 2022, then surged by 84.74% to -$316000.0 in 2023, then plummeted by 201.9% to -$954000.0 in 2024, then surged by 97.8% to -$21000.0 in 2025.
  • Per Business Quant database, its latest 3 readings for Other Working Capital Changes were -$21000.0 in Q4 2025, -$2.4 million in Q3 2025, and -$4.4 million in Q2 2025.