PROTHENA CORPORATION PUBLIC LIMITED COMPANY Operating Expenses
PROTHENA CORPORATION PUBLIC LIMITED COMPANY (PRTA) reported Operating Expenses of $22.11 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:OperatingExpenses · last filed 2026-08-06
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for the quarter ending 2026-06-30 was $22.11M, a 75.17% decline year-over-year.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for the quarter ending 2026-03-31 was $21.05M, a 69.23% decline year-over-year.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for the quarter ending 2025-12-31 was $24.22M, a 63.86% decline year-over-year.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for the quarter ending 2025-09-30 was $42.66M, a 36.79% decline year-over-year.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for fiscal 2025 was $224.32M, a 22.57% decline from fiscal 2024.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for fiscal 2024 was $289.72M, a 2.59% increase from fiscal 2023.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for fiscal 2023 was $282.41M, a 52.27% increase from fiscal 2022.
- PROTHENA CORPORATION PUBLIC LIMITED COMPANY operating expenses for fiscal 2022 was $185.46M, a 44.21% increase from fiscal 2021.
| Period end | Operating Expenses 3 month | Operating Expenses 6 month | Operating Expenses 9 month | Operating Expenses 12 month |
|---|---|---|---|---|
| 2026-06-30 | $22.11M 10-Q · filed 2026-08-06 | $43.16M 10-Q · filed 2026-08-06 | $67.38M derived: sum of 3 quarters · filed 2026-08-06 | $110.04M derived: sum of 4 quarters · filed 2026-08-06 |
| 2026-03-31 | $21.05M 10-Q · filed 2026-05-07 | $45.27M derived: sum of 2 quarters · filed 2026-05-07 | $87.93M derived: sum of 3 quarters · filed 2026-05-07 | $176.96M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-12-31 | $24.22M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $66.88M derived: sum of 2 quarters · filed 2026-02-27 | $155.91M derived: sum of 3 quarters · filed 2026-08-06 | $224.32M 10-K · filed 2026-02-27 |
| 2025-09-30 | $42.66M 10-Q · filed 2025-11-06 | $131.69M derived: sum of 2 quarters · filed 2026-08-06 | $200.10M 10-Q · filed 2025-11-06 | $267.12M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-06-30 | $89.04M 10-Q · filed 2026-08-06 | $157.44M 10-Q · filed 2026-08-06 | $224.47M derived: sum of 3 quarters · filed 2026-08-06 | $291.95M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-03-31 | $68.41M 10-Q · filed 2026-05-07 | $135.43M derived: sum of 2 quarters · filed 2026-05-07 | $202.91M derived: sum of 3 quarters · filed 2026-05-07 | $276.55M derived: sum of 4 quarters · filed 2026-05-07 |
| 2024-12-31 | $67.02M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $134.50M derived: sum of 2 quarters · filed 2026-02-27 | $208.14M derived: sum of 3 quarters · filed 2026-02-27 | $289.72M 10-K · filed 2026-02-27 |
| 2024-09-30 | $67.48M 10-Q · filed 2025-11-06 | $141.12M derived: sum of 2 quarters · filed 2025-11-06 | $222.70M 10-Q · filed 2025-11-06 | $301.53M derived: sum of 4 quarters · filed 2026-02-27 |
| 2024-06-30 | $73.64M 10-Q · filed 2025-08-04 | $155.22M 10-Q · filed 2025-08-04 | $234.05M derived: sum of 3 quarters · filed 2026-02-27 | $308.60M derived: sum of 4 quarters · filed 2026-02-27 |
| 2024-03-31 | $81.58M 10-Q · filed 2025-05-08 | $160.41M derived: sum of 2 quarters · filed 2026-02-27 | $234.97M derived: sum of 3 quarters · filed 2026-02-27 | $305.49M derived: sum of 4 quarters · filed 2026-02-27 |
| 2023-12-31 | $78.83M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $153.39M derived: sum of 2 quarters · filed 2026-02-27 | $223.91M derived: sum of 3 quarters · filed 2026-02-27 | $282.41M 10-K · filed 2026-02-27 |
| 2023-09-30 | $74.56M 10-Q · filed 2024-11-12 | $145.08M derived: sum of 2 quarters · filed 2024-11-12 | $203.57M 10-Q · filed 2024-11-12 | $253.57M derived: sum of 4 quarters · filed 2025-02-27 |
| 2023-06-30 | $70.52M 10-Q · filed 2024-08-08 | $129.02M 10-Q · filed 2024-08-08 | $179.01M derived: sum of 3 quarters · filed 2025-02-27 | $230.86M derived: sum of 4 quarters · filed 2025-02-27 |
| 2023-03-31 | $58.49M 10-Q · filed 2024-05-08 | $108.49M derived: sum of 2 quarters · filed 2025-02-27 | $160.34M derived: sum of 3 quarters · filed 2025-02-27 | $204.86M derived: sum of 4 quarters · filed 2025-02-27 |
| 2022-12-31 | $49.99M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-27 | $101.84M derived: sum of 2 quarters · filed 2025-02-27 | $146.37M derived: sum of 3 quarters · filed 2025-02-27 | $185.46M 10-K · filed 2025-02-27 |
| 2022-09-30 | $51.85M 10-Q · filed 2023-11-02 | $96.37M derived: sum of 2 quarters · filed 2023-11-02 | $135.47M 10-Q · filed 2023-11-02 | $169.73M derived: sum of 4 quarters · filed 2024-02-22 |
| 2022-06-30 | $44.52M 10-Q · filed 2023-08-03 | $83.62M 10-Q · filed 2023-08-03 | $117.88M derived: sum of 3 quarters · filed 2024-02-22 | $147.83M derived: sum of 4 quarters · filed 2024-02-22 |
| 2022-03-31 | $39.10M 10-Q · filed 2023-05-04 | $73.36M derived: sum of 2 quarters · filed 2024-02-22 | $103.31M derived: sum of 3 quarters · filed 2024-02-22 | $135.43M derived: sum of 4 quarters · filed 2024-02-22 |
| 2021-12-31 | $34.26M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-22 | $64.21M derived: sum of 2 quarters · filed 2024-02-22 | $96.33M derived: sum of 3 quarters · filed 2024-02-22 | $128.60M 10-K · filed 2024-02-22 |
| 2021-09-30 | $29.95M 10-Q · filed 2022-11-03 | $62.07M derived: sum of 2 quarters · filed 2022-11-03 | $94.34M 10-Q · filed 2022-11-03 | $125.01M derived: sum of 4 quarters · filed 2022-11-03 |
| 2021-06-30 | $32.12M 10-Q · filed 2022-08-08 | $64.39M 10-Q · filed 2022-08-08 | $95.06M derived: sum of 3 quarters · filed 2022-08-08 | $126.06M derived: sum of 4 quarters · filed 2022-08-08 |
| 2021-03-31 | $32.27M 10-Q · filed 2022-05-05 | $62.94M derived: sum of 2 quarters · filed 2022-05-05 | $93.94M derived: sum of 3 quarters · filed 2022-05-05 | $120.87M derived: sum of 4 quarters · filed 2022-05-05 |
| 2020-12-31 | $30.67M 10-K · filed 2021-02-26 | $61.67M derived: sum of 2 quarters · filed 2021-11-04 | $88.60M derived: sum of 3 quarters · filed 2021-11-04 | $113.59M 10-K · filed 2023-02-28 |
| 2020-09-30 | $31.00M 10-Q · filed 2021-11-04 | $57.93M derived: sum of 2 quarters · filed 2021-11-04 | $82.92M 10-Q · filed 2021-11-04 | $106.45M derived: sum of 4 quarters · filed 2021-11-04 |
| 2020-06-30 | $26.93M 10-Q · filed 2021-08-05 | $51.92M 10-Q · filed 2021-08-05 | $75.45M derived: sum of 3 quarters · filed 2021-08-05 | $96.62M derived: sum of 4 quarters · filed 2021-08-05 |
| 2020-03-31 | $24.99M 10-Q · filed 2021-05-11 | $48.52M derived: sum of 2 quarters · filed 2021-05-11 | $69.70M derived: sum of 3 quarters · filed 2021-05-11 | $88.36M derived: sum of 4 quarters · filed 2021-05-11 |
| 2019-12-31 | $23.53M 10-K · filed 2021-02-26 | $44.71M derived: sum of 2 quarters · filed 2021-02-26 | $63.37M derived: sum of 3 quarters · filed 2021-02-26 | $86.51M 10-K · filed 2022-02-25 |
| 2019-09-30 | $21.18M 10-K · filed 2021-02-26 | $39.84M derived: sum of 2 quarters · filed 2021-02-26 | $62.98M 10-Q · filed 2020-11-04 | $85.93M derived: sum of 4 quarters · filed 2021-02-26 |
| 2019-06-30 | $18.66M 10-K · filed 2021-02-26 | $41.80M 10-Q · filed 2020-08-06 | $64.75M derived: sum of 3 quarters · filed 2021-02-26 | $89.33M derived: sum of 4 quarters · filed 2021-02-26 |
| 2019-03-31 | $23.14M 10-K · filed 2021-02-26 | $46.09M derived: sum of 2 quarters · filed 2021-02-26 | $70.67M derived: sum of 3 quarters · filed 2021-02-26 | $134.01M derived: sum of 4 quarters · filed 2021-02-26 |
| 2018-12-31 | $22.95M 10-K · filed 2020-03-03 | $47.53M derived: sum of 2 quarters · filed 2020-03-03 | $110.88M derived: sum of 3 quarters · filed 2020-03-03 | $159.81M 10-K · filed 2021-02-26 |
| 2018-09-30 | $24.58M 10-K · filed 2020-03-03 | $87.93M derived: sum of 2 quarters · filed 2020-03-03 | $136.86M 10-Q · filed 2019-11-05 | $184.41M derived: sum of 4 quarters · filed 2020-03-03 |
| 2018-06-30 | $63.35M 10-K · filed 2020-03-03 | $112.28M 10-Q · filed 2019-08-06 | $159.83M derived: sum of 3 quarters · filed 2020-03-03 | $213.58M derived: sum of 4 quarters · filed 2020-03-03 |
| 2018-03-31 | $48.94M 10-K · filed 2020-03-03 | $96.48M derived: sum of 2 quarters · filed 2020-03-03 | $150.23M derived: sum of 3 quarters · filed 2020-03-03 | $195.18M derived: sum of 4 quarters · filed 2020-03-03 |
| 2017-12-31 | $47.55M 10-K · filed 2019-03-15 | $101.30M derived: sum of 2 quarters · filed 2019-03-15 | $146.24M derived: sum of 3 quarters · filed 2019-03-15 | $182.77M 10-K · filed 2020-03-03 |
| 2017-09-30 | $53.75M 10-K · filed 2019-03-15 | $98.70M derived: sum of 2 quarters · filed 2019-03-15 | $135.23M 10-Q · filed 2018-11-06 | $184.68M derived: sum of 4 quarters · filed 2019-03-15 |
| 2017-06-30 | $44.94M 10-K · filed 2019-03-15 | $81.47M 10-Q · filed 2018-08-07 | $130.92M derived: sum of 3 quarters · filed 2019-03-15 | $173.90M derived: sum of 4 quarters · filed 2019-03-15 |
| 2017-03-31 | $36.53M 10-K · filed 2019-03-15 | $85.98M derived: sum of 2 quarters · filed 2019-03-15 | $128.95M derived: sum of 3 quarters · filed 2019-03-15 | $169.44M derived: sum of 4 quarters · filed 2019-03-15 |
| 2016-12-31 | $49.45M 10-K · filed 2018-02-26 | $92.42M derived: sum of 2 quarters · filed 2018-02-26 | $132.91M derived: sum of 3 quarters · filed 2018-02-26 | $160.59M 10-K · filed 2019-03-15 |
| 2016-09-30 | $42.97M 10-K · filed 2018-02-26 | $83.47M derived: sum of 2 quarters · filed 2018-02-26 | $111.14M 10-Q · filed 2017-11-07 | $135.66M derived: sum of 4 quarters · filed 2018-02-26 |
| 2016-06-30 | $40.49M 10-K · filed 2018-02-26 | $68.17M 10-Q · filed 2017-08-09 | $92.69M derived: sum of 3 quarters · filed 2018-02-26 | $115.78M derived: sum of 4 quarters · filed 2018-02-26 |
| 2016-03-31 | $27.68M 10-K · filed 2018-02-26 | $52.19M derived: sum of 2 quarters · filed 2018-02-26 | $75.28M derived: sum of 3 quarters · filed 2018-02-26 | $93.60M derived: sum of 4 quarters · filed 2018-02-26 |
| 2015-12-31 | $24.52M 10-K · filed 2017-02-27 | $47.61M derived: sum of 2 quarters · filed 2017-02-27 | $65.92M derived: sum of 3 quarters · filed 2017-02-27 | $81.54M 10-K · filed 2018-02-26 |
| 2015-09-30 | $23.09M 10-K · filed 2017-02-27 | $41.40M derived: sum of 2 quarters · filed 2017-02-27 | $57.02M 10-Q · filed 2016-11-02 | $72.14M derived: sum of 4 quarters · filed 2017-02-27 |
| 2015-06-30 | $18.31M 10-K · filed 2017-02-27 | $33.94M 10-Q · filed 2016-08-02 | $49.05M derived: sum of 3 quarters · filed 2017-02-27 | $63.67M derived: sum of 4 quarters · filed 2017-02-27 |
| 2015-03-31 | $15.62M 10-K · filed 2017-02-27 | $30.74M derived: sum of 2 quarters · filed 2017-02-27 | $45.36M derived: sum of 3 quarters · filed 2017-02-27 | $58.91M derived: sum of 4 quarters · filed 2017-02-27 |
| 2014-12-31 | $15.12M 10-K · filed 2016-02-25 | $29.74M derived: sum of 2 quarters · filed 2016-02-25 | $43.29M derived: sum of 3 quarters · filed 2016-02-25 | $57.50M 10-K · filed 2017-02-27 |
| 2014-09-30 | $14.62M 10-K · filed 2016-02-25 | $28.17M derived: sum of 2 quarters · filed 2016-02-25 | $42.38M 10-Q · filed 2015-11-02 | $53.25M derived: sum of 4 quarters · filed 2016-02-25 |
| 2014-06-30 | $13.55M 10-K · filed 2016-02-25 | $27.77M 10-Q · filed 2015-08-05 | $38.64M derived: sum of 3 quarters · filed 2016-02-25 | $48.37M derived: sum of 4 quarters · filed 2016-02-25 |
| 2014-03-31 | $14.21M 10-K · filed 2016-02-25 | $25.08M derived: sum of 2 quarters · filed 2016-02-25 | $34.82M derived: sum of 3 quarters · filed 2016-02-25 | $46.18M derived: sum of 4 quarters · filed 2016-02-25 |
| 2013-12-31 | $10.87M 10-K · filed 2015-03-13 | $20.61M derived: sum of 2 quarters · filed 2015-03-13 | $31.96M derived: sum of 3 quarters · filed 2015-03-13 | $41.10M 10-K · filed 2016-02-25 |
| 2013-09-30 | $9.74M 10-K · filed 2015-03-13 | $21.10M derived: sum of 2 quarters · filed 2015-03-13 | $30.23M 10-Q · filed 2014-11-04 | $43.03M derived: sum of 4 quarters · filed 2015-03-13 |
| 2013-06-30 | $11.36M 10-K · filed 2015-03-13 | $20.50M 10-Q · filed 2014-08-05 | $33.29M derived: sum of 3 quarters · filed 2015-03-13 | $42.90M derived: sum of 4 quarters · filed 2015-03-13 |
| 2013-03-31 | $9.14M 10-K · filed 2015-03-13 | $21.93M derived: sum of 2 quarters · filed 2015-03-13 | $31.55M derived: sum of 3 quarters · filed 2015-03-13 | $41.99M derived: sum of 4 quarters · filed 2015-03-13 |
| 2012-12-31 | $12.79M 10-K · filed 2014-03-07 | $22.41M derived: sum of 2 quarters · filed 2014-03-07 | $32.85M derived: sum of 3 quarters · filed 2014-03-07 | $44.07M 10-K · filed 2015-03-13 |
| 2012-09-30 | $9.61M 10-K · filed 2014-03-07 | $20.06M derived: sum of 2 quarters · filed 2014-03-07 | $31.27M 10-Q · filed 2013-11-12 | |
| 2012-06-30 | $10.45M 10-K · filed 2014-03-07 | $21.66M 10-Q · filed 2013-08-13 | ||
| 2012-03-31 | $11.21M 10-K · filed 2014-03-07 | |||
| 2011-12-31 | $29.75M 10-K · filed 2014-03-07 |
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