Company / Interest Expense
PROTHENA CORP PUBLIC LTD CO Interest Expense History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Interest Expense
$31.0M
FY2025
5-year range
$42.0K / $31.0M
FY2021-FY2025
Trend
+388.5%
vs FY2024
Sector context
Sector data unavailable
Latest sector comparison
What the data says
Interest Expense changed +388% YoY in FY2025, a notable deviation from the 9-year average annual change of +1959%.
Based on SEC 10-K filings.
$31M in FY2025 with a 5-year CAGR of +63.0%.
Increased from $42,000 to $31M over the past 2 years.
Interest Expense over time
Growth rates
- 3-Year CAGR
- +183.0%
- 5-Year CAGR
- +63.0%
- 10-Year CAGR
- -
Key checks
Key Insights
- 5-year CAGR of +63.0%, indicating consistent growth.
- In FY2025, interest expense increased 388.5% year-over-year.
- Lowest interest expense in the period was in FY2019.
Company context
Key Data Points
- Low Piotroski F-Score: 2/9 (multiple financial health concerns)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Interest ExpenseValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | $31.0M | +388.5% |
| FY2024 | $6.3M | +15016.7% |
| FY2023 | $42.0K | -96.9% |
| FY2022 | $1.4M | -83.3% |
| FY2021 | $8.2M | +204.7% |
| FY2020 | $2.7M | +1995.8% |
| FY2019 | -$142.0K | -125.5% |
| FY2018 | $556.0K | +183.7% |
| FY2017 | $196.0K | +148.1% |
| FY2016 | $79.0K | - |
As of FY2025 · SEC 10-K Annual Filings · Updated Jun 28, 2026