Company: PRTA
Filing Date: 2025-08-04
Form Type: 10-Q
Source: 0001559053-25-000031
Chunk: 5

Company: PROTHENA CORP PUBLIC LTD CO
Filing Date: 2025-08-04
Form: 10-Q
Item: Part I, Item 1
Chunk 5
---
ab (NEOD001)      $                       19,433      $         21,565      $                     45,347       42,749  
  PRX012                                            15,093                31,994                            33,168       69,807  
  PRX019                                             1,824      676                                          3,926        1,457  
  Other R& D                                         4,167                 3,275                             8,887        7,611  
  Total R& D                $                       40,517      $         57,510      $                     91,328      121,624  

Recent Accounting Pronouncements

On November 4, 2024, the Financial Accounting Standards Board (“ FASB”) issued Accounting Standards Update (ASU) 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures, which requires public business entities to disclose, on an annual and interim basis, disaggregated information about certain income statement line items in a tabular format in the notes to the financial statements. This guidance will be effective for the Company’s annual period ending December 31, 2027, and interim periods beginning January 1, 2028. Early adoption is permitted. Entities may

apply the guidance prospectively or retrospectively. The Company is currently evaluating the impact of this new standard on its financial statement disclosures.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires public business entities to disclose a tabular reconciliation using both percentages and amounts, broken out into specific categories with certain reconciling items at or above 5% of the expected tax further broken out by nature and/or jurisdiction. The guidance also requires all entities to disclose income taxes paid, net of refunds, disaggregated by federal (national), state and foreign taxes for annual periods and to disaggregate the information by jurisdiction based on a quantitative threshold. All entities are required to apply the guidance prospectively, with the option to apply it retrospectively. The guidance will be effective for the Company’s annual period ending December 31, 2025. Early adoption is permitted. The Company is currently evaluating the impact of the new standard on its income tax disclosures.

3. Fair Value Measurements

The Company measures certain financial assets and liabilities at fair value on a recurring basis, including cash equivalents. Fair value is an exit price