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These RSUs are being moved to Table II as of this Form 4."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the contingent right to receive one share of the Issuer's Ordinary Shares upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These RSUs reported in Table II are fully vested as of July 28, 2026 (the one-year anniversary of the grant date). The remainder of the 25,000 RSUs reported in Table I (10,000 RSUs) are subject to vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These RSUs reported in Table II are fully vested as of July 28, 2026 (the one-year anniversary of the grant date). The remainder of the 25,000 RSUs reported in Table I (10,000 RSUs) are subject to vesting."}],"balance_after":0,"derivative":{"underlying":"Ordinary Shares","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0000905148-26-003416","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514826003416/form4.xml","form_type":"4"}},{"id":700514,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":3322,"source":{"system":"sec-edgar","filing":"0000905148-23-001682","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823001682/form4.xml","form_type":"4"}},{"id":1703166,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 4 of this Form 4."}],"balance_after":3211,"source":{"system":"sec-edgar","filing":"0000905148-23-001201","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823001201/form4.xml","form_type":"4"}},{"id":1755126,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-10-26T00:03:51.000Z","date":"2023-10-25","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":13.53,"value":67650.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0000905148-23-001201","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823001201/form4.xml","form_type":"4"}},{"id":1777028,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-09-19T21:37:17.000Z","date":"2023-09-19","kind":"exercise","planned":true,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000905148-23-000946","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823000946/form4.xml","form_type":"4"}},{"id":1777027,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-09-19T21:37:17.000Z","date":"2023-09-19","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":52.3614,"value":261807.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades in prices ranging from $52.01 to $52.58, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnote 2 of this Form 4."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-23-000946","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823000946/form4.xml","form_type":"4"}},{"id":1777026,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-09-19T21:37:17.000Z","date":"2023-09-19","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":15.04,"value":75200.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0000905148-23-000946","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823000946/form4.xml","form_type":"4"}},{"id":1801616,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-08-19T00:37:27.000Z","date":"2023-08-18","kind":"exercise","planned":true,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":5481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000905148-23-000772","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823000772/form4.xml","form_type":"4"}},{"id":1801615,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-08-19T00:37:27.000Z","date":"2023-08-18","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":57.1845,"value":285922.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $56.95 to $57.67, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnote 2 of this Form 4."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000905148-23-000772","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000090514823000772/form4.xml","form_type":"4"}},{"id":1801614,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":1034,"source":{"system":"sec-edgar","filing":"0001140361-23-035280","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123035280/form4.xml","form_type":"4"}},{"id":1826650,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":15481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-23-030563","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123030563/form4.xml","form_type":"4"}},{"id":1848911,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin 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The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 4 of this Form 4."}],"balance_after":3000,"source":{"system":"sec-edgar","filing":"0001140361-23-030563","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123030563/form4.xml","form_type":"4"}},{"id":1848908,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $74.175 to $74.98, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-23-025833","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123025833/form4.xml","form_type":"4"}},{"id":1884148,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-05-20T01:31:29.000Z","date":"2023-05-19","kind":"sale","planned":true,"acquired":false,"shares":2823,"price":73.6274,"value":207850.1502,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $73.09 to $74.06, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":2177,"source":{"system":"sec-edgar","filing":"0001140361-23-025833","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123025833/form4.xml","form_type":"4"}},{"id":1884147,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-05-20T01:31:29.000Z","date":"2023-05-19","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":15.04,"value":75200.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001140361-23-025833","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123025833/form4.xml","form_type":"4"}},{"id":1915471,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-04-22T01:30:35.000Z","date":"2023-04-19","kind":"exercise","planned":true,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":25481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-23-019684","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123019684/form4.xml","form_type":"4"}},{"id":1915470,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-04-22T01:30:35.000Z","date":"2023-04-19","kind":"sale","planned":true,"acquired":false,"shares":2083,"price":53.2487,"value":110917.0421,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $53.165 to $53.35, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-23-019684","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123019684/form4.xml","form_type":"4"}},{"id":1915469,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-04-22T01:30:35.000Z","date":"2023-04-19","kind":"sale","planned":true,"acquired":false,"shares":2917,"price":52.6441,"value":153562.8397,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $52.14 to $53.06, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the ranges set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":2083,"source":{"system":"sec-edgar","filing":"0001140361-23-019684","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123019684/form4.xml","form_type":"4"}},{"id":1915468,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-04-22T01:30:35.000Z","date":"2023-04-19","kind":"exercise","planned":true,"acquired":true,"shares":5000,"price":15.04,"value":75200.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001140361-23-019684","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123019684/form4.xml","form_type":"4"}},{"id":1941240,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-23T01:30:33.000Z","date":"2023-03-20","kind":"exercise","planned":false,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"The Reporting Person's prior Form 4 filed on March 17, 2023 inadvertently transposed the first two digits of the number of options reported in Column 9, reporting 53,481 options beneficially owned following the Reporting Person's transaction in these options on March 15, 2023, instead of the correct number of 35,481 options beneficially owned. The correct number of 35,481 options beneficially owned was used for purposes of calculating the number of options reported in Column 9 of this Form 4."}],"balance_after":30481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-23-013190","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123013190/form4.xml","form_type":"4"}},{"id":1941239,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-23T01:30:33.000Z","date":"2023-03-20","kind":"sale","planned":false,"acquired":false,"shares":1097,"price":48.4653,"value":53166.4341,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $48.33 to $48.73, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-23-013190","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123013190/form4.xml","form_type":"4"}},{"id":1941238,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-23T01:30:33.000Z","date":"2023-03-20","kind":"sale","planned":false,"acquired":false,"shares":3903,"price":47.513,"value":185443.239,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $47.305 to $48.22, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":1097,"source":{"system":"sec-edgar","filing":"0001140361-23-013190","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123013190/form4.xml","form_type":"4"}},{"id":1941237,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-23T01:30:33.000Z","date":"2023-03-20","kind":"exercise","planned":false,"acquired":true,"shares":5000,"price":15.04,"value":75200.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001140361-23-013190","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123013190/form4.xml","form_type":"4"}},{"id":1946022,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-18T01:32:31.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":53481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001567619-23-005293","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761923005293/doc1.xml","form_type":"4"}},{"id":1946021,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-18T01:32:31.000Z","date":"2023-03-15","kind":"sale","acquired":false,"shares":10569,"price":48.6642,"value":514331.9298,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $48.43 to $49.06, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001567619-23-005293","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761923005293/doc1.xml","form_type":"4"}},{"id":1946020,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-18T01:32:31.000Z","date":"2023-03-15","kind":"sale","acquired":false,"shares":9431,"price":48.1406,"value":454013.9986,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $47.43 to $48.42, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":10569,"source":{"system":"sec-edgar","filing":"0001567619-23-005293","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761923005293/doc1.xml","form_type":"4"}},{"id":1946019,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2023-03-18T01:32:31.000Z","date":"2023-03-15","kind":"exercise","acquired":true,"shares":20000,"price":15.04,"value":300800.0,"ownership":{"direct":true},"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001567619-23-005293","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761923005293/doc1.xml","form_type":"4"}},{"id":1971820,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"officer":true,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-03-04T02:30:25.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":38000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option will vest and become exercisable as to 25% of the total number of shares subject to the option on March 2, 2024 and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":38000,"derivative":{"exercise_price":52.97,"expiration_date":"2033-03-02","underlying":"Ordinary Shares","underlying_shares":38000},"source":{"system":"sec-edgar","filing":"0001140361-23-010180","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000114036123010180/form4.xml","form_type":"4"}},{"id":2109969,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-11-19T02:32:29.000Z","date":"2022-11-18","kind":"exercise","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":55481,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001567619-22-020647","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761922020647/doc1.xml","form_type":"4"}},{"id":2109968,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2022-11-19T02:32:29.000Z","date":"2022-11-18","kind":"sale","acquired":false,"shares":226,"price":58.2745,"value":13170.037,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $57.415 to $58.29, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001567619-22-020647","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761922020647/doc1.xml","form_type":"4"}},{"id":2109967,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2022-11-19T02:32:29.000Z","date":"2022-11-18","kind":"sale","acquired":false,"shares":9774,"price":57.0431,"value":557539.2594,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $56.39 to $57.34, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnotes 2 through 3 of this Form 4."}],"balance_after":226,"source":{"system":"sec-edgar","filing":"0001567619-22-020647","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761922020647/doc1.xml","form_type":"4"}},{"id":2109966,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, 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The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in footnotes 2 through 5 of this Form 4."}],"balance_after":12093,"source":{"system":"sec-edgar","filing":"0001567619-22-018818","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761922018818/doc1.xml","form_type":"4"}},{"id":2131484,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary 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reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $58.10 to $58.84, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001567619-21-021197","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921021197/doc1.xml","form_type":"4"}},{"id":2494025,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2021-11-27T02:19:11.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":2700,"price":57.5137,"value":155286.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $56.97 to $57.95, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":1819,"source":{"system":"sec-edgar","filing":"0001567619-21-021197","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921021197/doc1.xml","form_type":"4"}},{"id":2494024,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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option vested and became exercisable as to 25% of the total number of shares subject to the option on June 21, 2019, and with respect to 1/48th of the total number of shares subject to the option in successive, equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continued employment with the Issuer on each such vesting date."}],"balance_after":90000,"derivative":{"exercise_price":15.04,"expiration_date":"2028-06-21","underlying":"Ordinary Shares","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001567619-21-018621","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921018621/doc1.xml","form_type":"4"}},{"id":2536126,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin 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The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001567619-21-018621","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921018621/doc1.xml","form_type":"4"}},{"id":2536125,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2021-10-22T21:53:27.000Z","date":"2021-10-20","kind":"sale","acquired":false,"shares":1700,"price":60.9082,"value":103543.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades in prices ranging from $60.75 to $61.71, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":2185,"source":{"system":"sec-edgar","filing":"0001567619-21-018621","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921018621/doc1.xml","form_type":"4"}},{"id":2536124,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per share","published_at":"2021-10-22T21:53:27.000Z","date":"2021-10-20","kind":"sale","acquired":false,"shares":19115,"price":60.002,"value":1146938.23,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades in prices ranging from $59.71 to $60.43, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":3885,"source":{"system":"sec-edgar","filing":"0001567619-21-018621","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921018621/doc1.xml","form_type":"4"}},{"id":2536123,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Ordinary Shares, par value $0.01 per 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In exchange, the reporting person received a replacement option, for 18,796 ordinary shares, having an exercise price of $22.85 per ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The shares subject to the option will vest and become exercisable as to 47/48 of the total number of shares subject to the option on the one year anniversary of the date of grant and with respect to 1/48 of the total number of shares subject to the option on February 21, 2022, subject to the reporting person's continued service with the issuer on each such vesting date."}],"balance_after":18796,"derivative":{"exercise_price":22.85,"expiration_date":"2028-02-21","underlying":"Ordinary Shares","underlying_shares":18796},"source":{"system":"sec-edgar","filing":"0001567619-21-004311","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1559053/000156761921004311/doc1.xml","form_type":"4"}},{"id":2853437,"issuer":{"id":2375,"kind":"organization","name":"PROTHENA CORP PUBLIC LTD CO","symbol":"PRTA"},"owners":[{"id":27704,"kind":"person","name":"Walker Karin L","position":1,"cik":"0001559422","reported_name":"Walker Karin L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2021-02-17T23:42:29.000Z","date":"2021-02-12","kind":"disposition_to_issuer","acquired":false,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"On February 12, 2021, the issuer canceled, pursuant to the issuer's option exchange program, an option for 25,000 of the issuer's ordinary shares granted to the reporting person on February 21, 2018.  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