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 was $21.0 million for Q1 2026 at Prothena Corp Public, down from $24.2 million in the prior quarter.
• In the past five years, Operating Expenses ranged from a high of $89.0 million in Q2 2025 to a low of $21.0 million in Q1 2026.
• Historically, Operating Expenses has averaged $59.0 million across 5 years, with a median of $67.0 million in 2024.
• The sharpest annual moves came in 2022 and 2026: Operating Expenses soared 73.14% in 2022, then sank 69.23% in 2026.
• A 5-year view of Operating Expenses shows it stood at $50.0 million in 2022, then surged by 57.68% to $78.8 million in 2023, then dropped by 14.98% to $67.0 million in 2024, then slumped by 63.86% to $24.2 million in 2025, then dropped by 13.11% to $21.0 million in 2026.
• The last three Operating Expenses figures came in at $21.0 million (Q1 2026), $24.2 million (Q4 2025), and $42.7 million (Q3 2025), per Business Quant data.