{"schema_version":"secwatch.filing_event.v1","accession":"0001559053-22-000012","form_type":"8-K","ticker":"PRTA","cik":"0001559053","company_name":"PROTHENA CORP PUBLIC LTD CO","filed_at":"2022-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:04:06.979463+00:00","generated_at":"2026-06-26T17:21:19.670136+00:00","sec_items":["7.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Prothena directors/officers adopt 10b5-1 plans for 458,174 expiring options","bullets":["Options granted in Jan/Mar/Apr 2013 expire in Jan/Mar/Apr 2023; cover 458,174 shares (<1% of outstanding) with exercise prices $6.41-$6.73 per share.","Directors and executive officers adopted Rule 10b5-1 trading plans to exercise/sell these expiring options.","Plans allow orderly disposition of options expiring in 2023; transactions will be reported to the SEC."],"urls":{"canonical":"https://secwatch.observer/filing/0001559053-22-000012","json":"https://secwatch.observer/filing/0001559053-22-000012.json","markdown":"https://secwatch.observer/filing/0001559053-22-000012.md","text":"https://secwatch.observer/filing/0001559053-22-000012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1559053/000155905322000012/0001559053-22-000012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1559053/000155905322000012/prta-20220325.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T17:21:19.670136+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}