Company: PRTA
Filing Date: 2025-05-08
Form Type: 10-Q
Source: 0001559053-25-000023
Chunk: 21

Company: PROTHENA CORP PUBLIC LTD CO
Filing Date: 2025-05-08
Form: 10-Q
Item: Part I, Item 1
Chunk 21
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 an Equity Distribution Agreement (the “ December 2021 Distribution Agreement”), pursuant to which the Company could issue and sell, from time to time, the Company's ordinary shares. In connection with entering into the December 2021 Distribution Agreement, on December 23, 2021, the Company filed with the SEC a prospectus supplement relating to the offer, issuance and sale of up to $ 250.0

TheDecember2021 Prospectus was no longer effective as ofMarch 23, 2024. A s ofMarch 23, 2024, the Company had sold and issued953,589 ordinary shares pursuant to the December 2021 Distribution Agreement under theDecember 2021 Prospectus for t otal gross proceeds of approximately$ 56.3 before deducting underwriting discounts, commissions, and other offering expenses paid by the Company of$ 1.8

In February 2024, the Company amended the Equity Distribution Agreement that it entered into in December 2021 (the “ Amended Distribution Agreement”), pursuant to which the Company may issue and sell, from time 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 months ended March 31, 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,