{"entity":{"type":"insider","cik":"0001805226","url":"/insider/0001805226","json_url":"/insider/0001805226.json","name":"Smith Brandon S.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":13,"n_filings":5,"first":"2023-06-14","last":"2023-10-11","span_basis":"filed_date"},"name_variants":[{"name":"Smith Brandon S.","source":"filing","n_filings":5,"first_seen":"2023-06-14","last_seen":"2023-10-11"}],"transactions":[{"id":7887324,"accession":"0000905148-23-001119","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000905148-23-001119","line_url":"/filing/0000905148-23-001119","is_derivative":false,"issuer_cik":"0001559053","issuer_name":"PROTHENA CORP PUBLIC LTD CO","issuer_ticker":"PRTA","issuer_name_source":null,"issuer_url":"/issuer/0001559053","owner_cik":"0001805226","owner_name":"Smith Brandon S.","owner_display_name":"Smith Brandon S.","owner_url":"/insider/0001805226","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Ordinary Shares, par value $0.01 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4000.0,"shares_display":"4,000","price_per_share":46.7461531,"price_display":"46.75","price_state":"stated","total_value":186984.6124,"total_display":"186,984.61","total_whole":"186,985","shares_owned_after":444.0,"shares_owned_after_display":"444","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-10-11","filed_date":"2023-10-11","scope":"insider","n_lines":2},{"id":8694778,"accession":"0000905148-23-000918","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000905148-23-000918","line_url":"/filing/0000905148-23-000918","is_derivative":false,"issuer_cik":"0001559053","issuer_name":"PROTHENA CORP PUBLIC LTD CO","issuer_ticker":"PRTA","issuer_name_source":null,"issuer_url":"/issuer/0001559053","owner_cik":"0001805226","owner_name":"Smith Brandon S.","owner_display_name":"Smith Brandon S.","owner_url":"/insider/0001805226","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Ordinary Shares, par value $0.01 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4000.0,"shares_display":"4,000","price_per_share":55.4907572,"price_display":"55.49","price_state":"stated","total_value":221963.0288,"total_display":"221,963.03","total_whole":"221,963","shares_owned_after":114.0,"shares_owned_after_display":"114","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-09-13","filed_date":"2023-09-13","scope":"insider","n_lines":2},{"id":8434110,"accession":"0001140361-23-040142","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001140361-23-040142","line_url":"/filing/0001140361-23-040142","is_derivative":false,"issuer_cik":"0001559053","issuer_name":"PROTHENA CORP PUBLIC LTD CO","issuer_ticker":"PRTA","issuer_name_source":null,"issuer_url":"/issuer/0001559053","owner_cik":"0001805226","owner_name":"Smith Brandon S.","owner_display_name":"Smith Brandon S.","owner_url":"/insider/0001805226","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Ordinary Shares, par value $0.01 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4000.0,"shares_display":"4,000","price_per_share":58.711025625,"price_display":"58.71","price_state":"stated","total_value":234844.1025,"total_display":"234,844.10","total_whole":"234,844","shares_owned_after":1774.0,"shares_owned_after_display":"1,774","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-16","filed_date":"2023-08-16","scope":"insider","n_lines":3},{"id":8213918,"accession":"0001140361-23-034303","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001140361-23-034303","line_url":"/filing/0001140361-23-034303","is_derivative":false,"issuer_cik":"0001559053","issuer_name":"PROTHENA CORP PUBLIC LTD CO","issuer_ticker":"PRTA","issuer_name_source":null,"issuer_url":"/issuer/0001559053","owner_cik":"0001805226","owner_name":"Smith Brandon S.","owner_display_name":"Smith Brandon S.","owner_url":"/insider/0001805226","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Ordinary Shares, par value $0.01 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4000.0,"shares_display":"4,000","price_per_share":67.5064,"price_display":"67.51","price_state":"stated","total_value":270025.6,"total_display":"270,025.60","total_whole":"270,026","shares_owned_after":800.0,"shares_owned_after_display":"800","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-07-12","filed_date":"2023-07-12","scope":"insider","n_lines":2},{"id":7993979,"accession":"0001140361-23-029930","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001140361-23-029930","line_url":"/filing/0001140361-23-029930","is_derivative":false,"issuer_cik":"0001559053","issuer_name":"PROTHENA CORP PUBLIC LTD CO","issuer_ticker":"PRTA","issuer_name_source":null,"issuer_url":"/issuer/0001559053","owner_cik":"0001805226","owner_name":"Smith Brandon S.","owner_display_name":"Smith Brandon S.","owner_url":"/insider/0001805226","role":"Officer (Chief Operating Officer)","role_mark":"O","role_mark_label":"Officer (Chief Operating Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Operating Officer","security_title":"Ordinary Shares, par value $0.01 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5333.0,"shares_display":"5,333","price_per_share":73.98497616726046,"price_display":"73.98","price_state":"stated","total_value":394561.8779,"total_display":"394,561.88","total_whole":"394,562","shares_owned_after":2321.0,"shares_owned_after_display":"2,321","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-06-14","filed_date":"2023-06-14","scope":"insider","n_lines":4}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":13,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":13,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":13},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001559053","name":"PROTHENA CORP PUBLIC LTD CO","url":"/issuer/0001559053","role":"Officer (Chief Operating Officer)","n_filings":5,"first_seen":"2023-06-14","last_seen":"2023-10-11"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001805226","retrieved_at":"2026-08-27T02:51:11+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}