Prothena Q4 Earnings Meet Estimates, Pipeline Progress in Focus

Key Takeaways Prothena reported a Q4 loss of 45 cents per share, while revenues fell sharply year over year.Prothena expects 2026 net cash burn of $50M-$55M and projects up to $105M in milestone payments.Prothena's partnered pipeline includes late-stage studies with Roche and Novo Nordisk through 2029.Prothena Corporation (PRTA) reported fourth-quarter 2025 adjusted loss per share (excluding restructuring costs) of 45 cents, in line with the Zacks Consensus Estimate.In the year-ago quarter, the company had ...