Prothena Corporation plc (PRTA)

From the record

Prothena Corporation plc's filings since 2017 show no warning events in the scan: no bankruptcy or receivership notice, no debt default notice, no exchange listing notice, no restatement warning, no auditor change, no material cyber incident and no late-report notice (its current reports).

From the record

Prothena Corporation plc's 8 filed years say what it did: revenue went from $955 thousand in fiscal 2018 to $10 million in fiscal 2025, up 39.2% a year; it rose in 4 of 7 years; the deepest fall was 95% from fiscal 2021 to fiscal 2025; net income was positive in 1 of 8 of those years (its annual reports).

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Return on equity: in the fiscal year ended 2025-12-31, Prothena Corporation plc lost about 87 cents for every dollar of shareholders' money. Leverage: it owed about 14 cents per dollar of assets, and net share issuance: its share count grew 0.1% over the year (the filed statements).

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Prothena Corporation plc's standing among 315 graded names in its industry family: revenue of $10 million in fiscal 2025 ranks in the bottom 42% by size; a net margin of -2520.6% ranks in the bottom 21%; revenue growth of -43.6% a year over the last 3 filed years ranks in the bottom 11% (its annual reports).

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Prothena Corporation plc's leadership, from its insiders' filings and its current reports: the chief executive on the record is Kinney, Gene G. (President and CEO, as filed), filing under that title since 2016-10-21, 10.1 years (top 17% of its family); the 15 officers and directors filing in the last fifteen months have been on the record a median of 9.4 years (top 10%); 9 officer or director changes were reported on Form 8-K since 2023-11-13, against the 15 people in charge now (bottom 33%; fewer changes for each person reads higher) (the Form 4 record, its Form 8-K reports). Years count from a person's first filing in the SEC's data sets, which begin in 2006, so each is a floor.

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Prothena Corporation plc's room to grow, from the newest filed statements (fiscal 2025): cash of $308 million against no long-term debt tagged leaves 94.1% of its assets as net cash, top 5% of its family; cash from operations less capital spending is -1689.2% of revenue (bottom 19%); research spending of 1392.5% of revenue (top 17%) (its annual report).

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Prothena Corporation plc's growth drivers, from the filed years to fiscal 2025: revenue grew -43.6% a year over the last three filed years against 39.2% over all 8, slowing (bottom 6% of its family); the newest year grew -92.8% (bottom 3%); research spending grew -0.2% a year (bottom 47%) (its annual reports). Prothena Corporation plc reported 2 product lines in fiscal 2025: Collaboration at $10 million (100%), License at $50 thousand (1%); 0 of 2 grew against the year before (its annual report).

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Prothena Corporation plc's newest year against its own record: revenue of $10 million in fiscal 2025 came in 95.5% below the $214 million its prior three years' pace pointed to (bottom 4% of its family); net income of $244 million against a prior three-year average of $129 million (bottom 16%); a net margin of a loss larger than its revenue against losses larger than its revenue before (bottom 10%) (its annual reports).