Company: PRTA
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001559053-25-000044
Chunk: 21

Company: PROTHENA CORP PUBLIC LTD CO
Filing Date: 2025-11-06
Form: 10-Q
Item: Part I, Item 1
Chunk 21
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 to time, the Company's ordinary shares. In connection with amending the Amended Distribution Agreement, on February 22, 2024, the Company filed with the SEC a prospectus relating to the offer, issuance, and sale of up to $ 250.0 For the three and nine months ended September 30, 2025 and 2024, t he Company sold and issued no ordinary shares pursuant to the Amended Distribution Agreement under the February 2024 Prospectus.

The issuance and sale of the Company’s ordinary shares pursuant to the December 2021 Distribution Agreement and the Amended Distribution Agreement is deemed an “at-the-market” offering and is registered under the Securities Act of 1933, as amended.

9. Share-Based Compensation

Equity Incentive Plans

The Company’s equity incentive plans, the 2018 Long Term Incentive Plan, as amended (the “2018 LTIP”),2020 Employment Inducement Incentive Plan, as amended (the “2020 EIIP”), and previously, the Amended and Restated 2012 Long Term Incentive Plan (the “2012 LTIP”), reserve ordinary shares for the issuance of stock options, stock appreciation rights, restricted shares, RSUs, performance bonus awards, performance share units awards, dividend equivalents and other share or cash-based awards to eligible individuals. Options granted under each of the 2018 LTIP, 2020 EIIP, and 2012 LTIP expire no later than ten years

In May 2025, the Company’s shareholders approved an amendment to the 2018 LTIP to increase the number of ordinary shares available for issuance under the 2018 LTIP by 2,000,000 18,620,433

As o f September 30, 2025, the number of ordinary shares authorized under the 2020 EIIP was 1,485,000 367,107

The Company’s option awards generally vest over four years two three years 4,004,320

Share-based Compensation Expense

Share-based compensation expense recorded in these Condensed Consolidated Financial Statements was based on awards granted under the 2012 LTIP, the 2018 LTIP, and the 2020 EIIP. The estimated forfeiture rate as of September 30, 2025 was 11

The amount of unearned share-based compensation related to unvested stock options at September 30, 2025, is $ 40.0 2.