{"entity":{"type":"insider","cik":"0001649119","url":"/insider/0001649119","json_url":"/insider/0001649119.json","name":"Hata Yujiro S","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":14,"n_filings":5,"first":"2023-12-19","last":"2024-05-16","span_basis":"filed_date"},"name_variants":[{"name":"Hata Yujiro S","source":"filing","n_filings":5,"first_seen":"2023-12-19","last_seen":"2024-05-16"}],"transactions":[{"id":2063609,"accession":"0001610717-24-000239","txn_seq":10,"anchor":"line-10","filing_url":"/filing/0001610717-24-000239","line_url":"/filing/0001610717-24-000239","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":34433.0,"shares_display":"34,433","price_per_share":41.81321206981674,"price_display":"41.81","price_state":"stated","total_value":1439754.3312,"total_display":"1,439,754.33","total_whole":"1,439,754","shares_owned_after":682236.0,"shares_owned_after_display":"682,236","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-16","filed_date":"2024-05-16","scope":"insider","n_lines":2},{"id":2063606,"accession":"0001610717-24-000239","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0001610717-24-000239","line_url":"/filing/0001610717-24-000239","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":83856.0,"shares_display":"83,856","price_per_share":42.90398240316733,"price_display":"42.90","price_state":"stated","total_value":3597756.3484,"total_display":"3,597,756.35","total_whole":"3,597,756","shares_owned_after":708151.0,"shares_owned_after_display":"708,151","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-15","filed_date":"2024-05-16","scope":"insider","n_lines":3},{"id":2063602,"accession":"0001610717-24-000239","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001610717-24-000239","line_url":"/filing/0001610717-24-000239","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":56711.0,"shares_display":"56,711","price_per_share":41.6106269665497,"price_display":"41.61","price_state":"stated","total_value":2359780.2659,"total_display":"2,359,780.27","total_whole":"2,359,780","shares_owned_after":680190.0,"shares_owned_after_display":"680,190","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-14","filed_date":"2024-05-16","scope":"insider","n_lines":2},{"id":2703279,"accession":"0001610717-24-000053","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001610717-24-000053","line_url":"/filing/0001610717-24-000053#line-4","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":23557.0,"shares_display":"23,557","price_per_share":45.537,"price_display":"45.54","price_state":"stated","total_value":1072715.109,"total_display":"1,072,715.11","total_whole":"1,072,715","shares_owned_after":677887.0,"shares_owned_after_display":"677,887","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-02-09","filed_date":"2024-02-12","scope":"insider"},{"id":2703273,"accession":"0001610717-24-000053","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001610717-24-000053","line_url":"/filing/0001610717-24-000053#line-2","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":75815.0,"shares_display":"75,815","price_per_share":45.1472,"price_display":"45.15","price_state":"stated","total_value":3422834.968,"total_display":"3,422,834.97","total_whole":"3,422,835","shares_owned_after":677887.0,"shares_owned_after_display":"677,887","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-02-08","filed_date":"2024-02-12","scope":"insider"},{"id":2404042,"accession":"0001610717-24-000043","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001610717-24-000043","line_url":"/filing/0001610717-24-000043","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":628.0,"shares_display":"628","price_per_share":45.00006369426752,"price_display":"45.00","price_state":"stated","total_value":28260.04,"total_display":"28,260.04","total_whole":"28,260","shares_owned_after":677891.0,"shares_owned_after_display":"677,891","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-02-01","filed_date":"2024-02-05","scope":"insider","n_lines":2},{"id":3057593,"accession":"0001610717-24-000028","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001610717-24-000028","line_url":"/filing/0001610717-24-000028#line-4","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":62739.0,"shares_display":"62,739","price_per_share":40.1659,"price_display":"40.17","price_state":"stated","total_value":2519968.4001,"total_display":"2,519,968.40","total_whole":"2,519,968","shares_owned_after":677887.0,"shares_owned_after_display":"677,887","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-01-16","filed_date":"2024-01-17","scope":"insider"},{"id":3057584,"accession":"0001610717-24-000028","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001610717-24-000028","line_url":"/filing/0001610717-24-000028#line-2","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12261.0,"shares_display":"12,261","price_per_share":40.0386,"price_display":"40.04","price_state":"stated","total_value":490913.2746,"total_display":"490,913.27","total_whole":"490,913","shares_owned_after":677887.0,"shares_owned_after_display":"677,887","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-01-12","filed_date":"2024-01-17","scope":"insider"},{"id":8211617,"accession":"0001610717-23-000405","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001610717-23-000405","line_url":"/filing/0001610717-23-000405#line-2","is_derivative":false,"issuer_cik":"0001649119","issuer_name":"IDEAYA Biosciences, Inc.","issuer_ticker":"IDYA","issuer_name_source":null,"issuer_url":"/issuer/0001649119","owner_cik":"0001649119","owner_name":"Hata Yujiro S","owner_display_name":"Hata Yujiro S","owner_url":"/insider/0001649119","role":"Director, Officer (President and CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President and CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":75000.0,"shares_display":"75,000","price_per_share":35.0349,"price_display":"35.03","price_state":"stated","total_value":2627617.5,"total_display":"2,627,617.50","total_whole":"2,627,618","shares_owned_after":677887.0,"shares_owned_after_display":"677,887","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-12-15","filed_date":"2023-12-19","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":14,"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":14,"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":14},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001676725","name":"IDEAYA Biosciences, Inc.","url":"/issuer/0001676725","role":"Director, Officer (President and CEO)","n_filings":5,"first_seen":"2023-12-19","last_seen":"2024-05-16"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001649119","retrieved_at":"2026-08-22T18:23:30+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+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"}}