Prothena Corp Public (PRTA) Share-based Compensation (2012 - 2026)

Prothena Corp Public (PRTA) recorded quarterly Share-based Compensation of $6.9 million in Q1 2026, down 2.25% quarter-over-quarter from $7.1 million in Q4 2025, and down 36.84% on a YoY basis from $10.9 million in Q1 2025.

Prothena Corp Public (PRTA) Share-based Compensation (2012 - 2026) Analysis & Trends

Prothena Corp Public's Share-based Compensation history runs 15 years deep, the most recent figure standing at $6.9 million for Q1 2026.

  • In Q1 2026, Share-based Compensation fell 36.84% year-over-year to $6.9 million; the TTM figure through Mar 2026 stood at $33.6 million (down 24.53% YoY), while the FY2025 annual figure was $37.6 million, down 18.11% from the prior year.
  • Share-based Compensation was $6.9 million for Q1 2026 at Prothena Corp Public, down from $7.1 million in the prior quarter.
  • In the past five years, Share-based Compensation ranged from a high of $12.4 million in Q2 2025 to a low of $6.9 million in Q1 2026.
  • Historically, Share-based Compensation has averaged $9.6 million across 5 years, with a median of $10.1 million in 2023.
  • The sharpest annual moves came in 2023 and 2026: Share-based Compensation surged 49.06% in 2023, then tumbled 36.84% in 2026.
  • A 5-year view of Share-based Compensation shows it stood at $7.4 million in 2022, then soared by 49.06% to $11.1 million in 2023, then decreased by 5.05% to $10.5 million in 2024, then plunged by 32.76% to $7.1 million in 2025, then fell by 2.25% to $6.9 million in 2026.
  • The last three Share-based Compensation figures came in at $6.9 million (Q1 2026), $7.1 million (Q4 2025), and $7.2 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Share-based Compensation (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - -
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - -
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn -
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - -
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 305,000.00
7 Psyence Biomedical 212.16 Bn 212.16 Bn - -
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 166.40 Mn
9 Abivax 91.96 Bn 91.96 Bn - 26.47 Mn
10 Prothena Corp Public 479.08 Mn 149.61 Mn - 6.92 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 6.92 Mn
Mar 31, 2026 6.92 Mn
Dec 31, 2025 7.07 Mn
Dec 31, 2025 7.07 Mn
Sep 30, 2025 7.20 Mn
Sep 30, 2025 7.20 Mn
Jun 30, 2025 12.42 Mn
Jun 30, 2025 12.42 Mn
Mar 31, 2025 10.95 Mn
Mar 31, 2025 10.95 Mn
Dec 31, 2024 10.52 Mn
Dec 31, 2024 10.52 Mn
Sep 30, 2024 11.02 Mn
Sep 30, 2024 11.02 Mn
Jun 30, 2024 12.04 Mn
Jun 30, 2024 12.04 Mn
Mar 31, 2024 12.38 Mn
Mar 31, 2024 12.38 Mn
Dec 31, 2023 11.08 Mn
Dec 31, 2023 11.08 Mn