Company: PRTA
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001559053-25-000017
Chunk: 95

Company: PROTHENA CORP PUBLIC LTD CO
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 95
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     |      |  2,776,040 |     |      |  -398,568 |
| + |     | Fair Value at Vesting of Option Awards and Stock Awards Granted in Fiscal Year That Vested During Fiscal Year(f)                                                                     |     |                                           |          — |     |      |          — |     |      |          — |     |      |          — |     |      |         — |
| + |     | Change in Fair Value as of Vesting Date of Option Awards and Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year(g) |     |                                           |   -676,521 |     |      |   -779,414 |     |      | -1,908,971 |     |      |  1,869,973 |     |      |  -316,104 |
| - |     | Fair Value as of Prior Fiscal Year-End of Option Awards and Stock Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year(h)       |     |                                           |          — |     |      |          — |     |      |          — |     |      |    -47,077 |     |      |         — |
| = |     | Compensation Actually Paid                                                                                                                                                           |     |                                           |   -204,492 |     |      | -1,225,533 |     |      |  4,104,503 |     |      | 12,625,320 |     |      |   866,852 |

(a) Please see footnote 1 for the named executive officers included in the average for each indicated fiscal year.

(b) Represents the average Total Compensation as reported in the Summary Compensation Table for the reported named executive officers in the indicated fiscal year.

(c) Represents the average aggregate grant date fair value of the option awards granted to the reported named executive officers during the indicated fiscal year, computed in accordance with the methodology used for financial reporting purposes.

(d) Represents the average aggregate fair value as of the indicated fiscal year-end of the reported named executive officers’ outstanding and unvested option awards granted during such fiscal year, computed in accordance with the methodology used for financial reporting purposes.

(e) Represents the average aggregate change in fair value during the indicated fiscal year of the outstanding and unvested option awards held by the reported named executive officers as of the last day of the indicated fiscal year, computed in accordance with the methodology used for financial reporting purposes