Prothena Corp Public (PRTA) Other Accumulated Expenses (2012 - 2026)

Prothena Corp Public's Other Accumulated Expenses history runs 15 years deep, the most recent figure standing at $10.5 million for Q1 2026.

• On a quarterly basis, Other Accumulated Expenses rose 13.8% year-over-year to $10.5 million in Q1 2026; TTM through Mar 2026 was $10.5 million, a 13.8% increase from a year earlier, with the FY2025 full-year figure at $11.8 million, down 25.61% from the prior year.
• Other Accumulated Expenses eased to $10.5 million in Q1 2026 per PRTA's latest filing, from $11.8 million in the prior quarter.
• Across five years, Other Accumulated Expenses topped out at $15.8 million in Q4 2024 and bottomed at $5.0 million in Q1 2022.
• The 5-year median for Other Accumulated Expenses is $10.5 million (2026), against an average of $10.7 million.
• Across the five-year window, Other Accumulated Expenses jumped 78.73% in 2022 and plunged 42.61% in 2025, its largest moves.
• Year by year, Other Accumulated Expenses stood at $12.2 million in 2022, then advanced by 28.71% to $15.7 million in 2023, then rose by 1.16% to $15.8 million in 2024, then declined by 25.61% to $11.8 million in 2025, then declined by 10.92% to $10.5 million in 2026.
• Per Business Quant, the three latest PRTA Other Accumulated Expenses figures stand at $10.5 million (Q1 2026), $11.8 million (Q4 2025), and $8.2 million (Q3 2025).