{"entity":{"type":"insider","cik":"0001869883","url":"/insider/0001869883","json_url":"/insider/0001869883.json","name":"Blouse Grant E.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":3,"n_filings":3,"first":"2021-08-11","last":"2022-08-10","span_basis":"filed_date"},"name_variants":[{"name":"Blouse Grant E.","source":"filing","n_filings":3,"first_seen":"2021-08-11","last_seen":"2022-08-10"}],"transactions":[{"id":6825150,"accession":"0001209191-22-045251","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-22-045251","line_url":"/filing/0001209191-22-045251#line-1","is_derivative":false,"issuer_cik":"0001124105","issuer_name":"CATALYST BIOSCIENCES, INC.","issuer_ticker":"CBIO","issuer_name_source":null,"issuer_url":"/issuer/0001124105","owner_cik":"0001869883","owner_name":"Blouse Grant E.","owner_display_name":"Blouse Grant E.","owner_url":"/insider/0001869883","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":3250.0,"shares_display":"3,250","price_per_share":0.47,"price_display":"0.47","price_state":"stated","total_value":1527.5,"total_display":"1,527.50","total_whole":"1,528","shares_owned_after":9417.0,"shares_owned_after_display":"9,417","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-08-09","filed_date":"2022-08-10","scope":"insider"},{"id":6947302,"accession":"0001209191-22-010392","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-22-010392","line_url":"/filing/0001209191-22-010392#line-1","is_derivative":false,"issuer_cik":"0001124105","issuer_name":"CATALYST BIOSCIENCES, INC.","issuer_ticker":"CBIO","issuer_name_source":null,"issuer_url":"/issuer/0001124105","owner_cik":"0001869883","owner_name":"Blouse Grant E.","owner_display_name":"Blouse Grant E.","owner_url":"/insider/0001869883","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":3250.0,"shares_display":"3,250","price_per_share":0.46,"price_display":"0.46","price_state":"stated","total_value":1495.0,"total_display":"1,495.00","total_whole":"1,495","shares_owned_after":6167.0,"shares_owned_after_display":"6,167","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-09","filed_date":"2022-02-16","scope":"insider"},{"id":5252344,"accession":"0001209191-21-050757","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-21-050757","line_url":"/filing/0001209191-21-050757#line-1","is_derivative":false,"issuer_cik":"0001124105","issuer_name":"CATALYST BIOSCIENCES, INC.","issuer_ticker":"CBIO","issuer_name_source":null,"issuer_url":"/issuer/0001124105","owner_cik":"0001869883","owner_name":"Blouse Grant E.","owner_display_name":"Blouse Grant E.","owner_url":"/insider/0001869883","role":"Officer (Chief Scientific Officer)","role_mark":"O","role_mark_label":"Officer (Chief Scientific Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1163.0,"shares_display":"1,163","price_per_share":3.62,"price_display":"3.62","price_state":"stated","total_value":4210.06,"total_display":"4,210.06","total_whole":"4,210","shares_owned_after":2917.0,"shares_owned_after_display":"2,917","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-08-09","filed_date":"2021-08-11","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":3,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":3,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"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":3},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001124105","name":"CATALYST BIOSCIENCES, INC.","url":"/issuer/0001124105","role":"Officer (Chief Scientific Officer)","n_filings":3,"first_seen":"2021-08-11","last_seen":"2022-08-10"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001869883","retrieved_at":"2026-08-26T17:29:13+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"}}