Prothena Corp Public (PRTA) Operating Expenses (2012 - 2026)

Prothena Corp Public's Operating Expenses history runs 15 years deep, the most recent figure standing at $21.0 million for Q1 2026.

• In Q1 2026, Operating Expenses fell 69.23% year-over-year to $21.0 million; the TTM figure through Mar 2026 stood at $177.0 million (down 36.01% YoY), while the FY2025 annual figure was $224.3 million, down 22.57% from the prior year.
• Operating Expenses for Q1 2026 stood at $21.0 million, down from $24.2 million in the prior quarter.
• The five-year high for Operating Expenses was $89.0 million in Q2 2025, with the low at $21.0 million in Q1 2026.
• The 5-year median for Operating Expenses is $67.0 million (2024), against an average of $59.0 million.
• The sharpest annual moves came in 2022 and 2026: Operating Expenses surged 73.14% in 2022, then plunged 69.23% in 2026.
• Prothena Corp Public's Operating Expenses stood at $50.0 million in 2022, then jumped by 57.68% to $78.8 million in 2023, then slipped by 14.98% to $67.0 million in 2024, then sank by 63.86% to $24.2 million in 2025, then slipped by 13.11% to $21.0 million in 2026.
• Business Quant data shows PRTA's Operating Expenses at $21.0 million in Q1 2026, $24.2 million in Q4 2025, and $42.7 million in Q3 2025.