{"entity":{"type":"insider","cik":"0001354345","url":"/insider/0001354345","json_url":"/insider/0001354345.json","name":"Bolzon Bradley J PhD","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":238,"n_filings":58,"first":"2006-05-15","last":"2021-07-21","span_basis":"filed_date"},"name_variants":[{"name":"Bolzon Bradley J PhD","source":"filing","n_filings":58,"first_seen":"2006-05-15","last_seen":"2021-07-21"}],"transactions":[{"id":5395500,"accession":"0000899243-21-029271","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0000899243-21-029271","line_url":"/filing/0000899243-21-029271","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":126.43475348,"price_display":"126.43","price_state":"stated","total_value":1264347.5348,"total_display":"1,264,347.53","total_whole":"1,264,348","shares_owned_after":150855.0,"shares_owned_after_display":"150,855","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-07-19","filed_date":"2021-07-21","scope":"insider","n_lines":4},{"id":4204742,"accession":"0000899243-21-026801","txn_seq":25,"anchor":"line-25","filing_url":"/filing/0000899243-21-026801","line_url":"/filing/0000899243-21-026801","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":47536.0,"shares_display":"47,536","price_per_share":149.4938787403231,"price_display":"149.49","price_state":"stated","total_value":7106341.0198,"total_display":"7,106,341.02","total_whole":"7,106,341","shares_owned_after":7846.0,"shares_owned_after_display":"7,846","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-29","filed_date":"2021-06-30","scope":"insider","n_lines":8},{"id":5188461,"accession":"0000899243-21-026800","txn_seq":14,"anchor":"line-14","filing_url":"/filing/0000899243-21-026800","line_url":"/filing/0000899243-21-026800","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30375.0,"shares_display":"30,375","price_per_share":152.48008331522632,"price_display":"152.48","price_state":"stated","total_value":4631582.5307,"total_display":"4,631,582.53","total_whole":"4,631,583","shares_owned_after":10756.0,"shares_owned_after_display":"10,756","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-28","filed_date":"2021-06-30","scope":"insider","n_lines":14},{"id":4563395,"accession":"0000899243-21-026769","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000899243-21-026769","line_url":"/filing/0000899243-21-026769#line-3","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director, Ten percent owner","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":157895.0,"shares_display":"157,895","price_per_share":19.0,"price_display":"19.00","price_state":"stated","total_value":3000005.0,"total_display":"3,000,005.00","total_whole":"3,000,005","shares_owned_after":2097938.0,"shares_owned_after_display":"2,097,938","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-06-28","filed_date":"2021-06-30","scope":"insider"},{"id":4812510,"accession":"0000899243-21-023880","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0000899243-21-023880","line_url":"/filing/0000899243-21-023880","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":126.61184063,"price_display":"126.61","price_state":"stated","total_value":1266118.4063,"total_display":"1,266,118.41","total_whole":"1,266,118","shares_owned_after":24948.0,"shares_owned_after_display":"24,948","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-11","filed_date":"2021-06-15","scope":"insider","n_lines":5},{"id":5087674,"accession":"0000899243-21-013316","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0000899243-21-013316","line_url":"/filing/0000899243-21-013316","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30374.0,"shares_display":"30,374","price_per_share":132.3719888556002,"price_display":"132.37","price_state":"stated","total_value":4020666.7895,"total_display":"4,020,666.79","total_whole":"4,020,667","shares_owned_after":35912.0,"shares_owned_after_display":"35,912","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-22","filed_date":"2021-03-24","scope":"insider","n_lines":7},{"id":5318153,"accession":"0000899243-21-007816","txn_seq":22,"anchor":"line-22","filing_url":"/filing/0000899243-21-007816","line_url":"/filing/0000899243-21-007816","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":171003.0,"shares_display":"171,003","price_per_share":149.10755732121658,"price_display":"149.11","price_state":"stated","total_value":25497839.6246,"total_display":"25,497,839.62","total_whole":"25,497,840","shares_owned_after":261634.0,"shares_owned_after_display":"261,634","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-02-19","filed_date":"2021-02-23","scope":"insider","n_lines":5},{"id":3320255,"accession":"0000899243-20-034537","txn_seq":10,"anchor":"line-10","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-10","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2679.0,"shares_display":"2,679","price_per_share":148.2811,"price_display":"148.28","price_state":"stated","total_value":397245.0669,"total_display":"397,245.07","total_whole":"397,245","shares_owned_after":4055.0,"shares_owned_after_display":"4,055","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"},{"id":3320251,"accession":"0000899243-20-034537","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-9","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2576.0,"shares_display":"2,576","price_per_share":148.2811,"price_display":"148.28","price_state":"stated","total_value":381972.1136,"total_display":"381,972.11","total_whole":"381,972","shares_owned_after":343732.0,"shares_owned_after_display":"343,732","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"},{"id":3320246,"accession":"0000899243-20-034537","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-8","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2091.0,"shares_display":"2,091","price_per_share":149.1222,"price_display":"149.12","price_state":"stated","total_value":311814.5202,"total_display":"311,814.52","total_whole":"311,815","shares_owned_after":1964.0,"shares_owned_after_display":"1,964","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"},{"id":3320243,"accession":"0000899243-20-034537","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-7","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2009.0,"shares_display":"2,009","price_per_share":149.1222,"price_display":"149.12","price_state":"stated","total_value":299586.4998,"total_display":"299,586.50","total_whole":"299,586","shares_owned_after":341723.0,"shares_owned_after_display":"341,723","ownership_form":"I","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"},{"id":3320238,"accession":"0000899243-20-034537","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-6","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":995.0,"shares_display":"995","price_per_share":150.1432,"price_display":"150.14","price_state":"stated","total_value":149392.484,"total_display":"149,392.48","total_whole":"149,392","shares_owned_after":969.0,"shares_owned_after_display":"969","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"},{"id":3320234,"accession":"0000899243-20-034537","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0000899243-20-034537","line_url":"/filing/0000899243-20-034537#line-5","is_derivative":false,"issuer_cik":"0001354345","issuer_name":"CRISPR Therapeutics AG","issuer_ticker":"CRSP","issuer_name_source":null,"issuer_url":"/issuer/0001354345","owner_cik":"0001354345","owner_name":"Bolzon Bradley J PhD","owner_display_name":"Bolzon Bradley J PhD","owner_url":"/insider/0001354345","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":969.0,"shares_display":"969","price_per_share":151.0474,"price_display":"151.05","price_state":"stated","total_value":146364.9306,"total_display":"146,364.93","total_whole":"146,365","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-16","filed_date":"2020-12-18","scope":"insider"}],"collapsed":true,"next_cursor":"2020-12-16|3320234","ledger_fault":false,"count":{"value":209,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":10,"open_market":true},{"code":"S","label":"Open-market sale","n":199,"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":209},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001674416","name":"CRISPR Therapeutics AG","url":"/issuer/0001674416","role":"Director","n_filings":28,"first_seen":"2016-12-23","last_seen":"2021-07-21"},{"type":"issuer","type_label":"ISSUER","cik":"0001826457","name":"Monte Rosa Therapeutics, Inc.","url":"/issuer/0001826457","role":"Director, Ten percent owner","n_filings":1,"first_seen":"2021-06-30","last_seen":"2021-06-30"},{"type":"issuer","type_label":"ISSUER","cik":"0001701541","name":"Black Diamond Therapeutics, Inc.","url":"/issuer/0001701541","role":"Director, Ten percent owner","n_filings":15,"first_seen":"2020-02-05","last_seen":"2020-12-01"},{"type":"issuer","type_label":"ISSUER","cik":"0001419600","name":"Flexion Therapeutics Inc","url":"/issuer/0001419600","role":"Director, Ten percent owner","n_filings":2,"first_seen":"2014-02-20","last_seen":"2016-06-10"},{"type":"issuer","type_label":"ISSUER","cik":"0001429386","name":"PHASERX, INC.","url":"/issuer/0001429386","role":"Ten percent owner","n_filings":1,"first_seen":"2016-05-24","last_seen":"2016-05-24"},{"type":"issuer","type_label":"ISSUER","cik":"0001294133","name":"Inogen Inc","url":"/issuer/0001294133","role":"Ten percent owner","n_filings":7,"first_seen":"2014-11-07","last_seen":"2015-05-11"},{"type":"issuer","type_label":"ISSUER","cik":"0001274563","name":"HELICOS BIOSCIENCES CORP","url":"/issuer/0001274563","role":"Ten percent owner","n_filings":3,"first_seen":"2007-06-01","last_seen":"2009-09-21"},{"type":"issuer","type_label":"ISSUER","cik":"0001178711","name":"NOVACEA INC","url":"/issuer/0001178711","role":"Ten percent owner","n_filings":1,"first_seen":"2006-05-15","last_seen":"2006-05-15"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001354345","retrieved_at":"2026-08-22T08:50:08+00:00","coverage":{"filings":1505395,"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"}}