{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-010439","form_type":"8-K","ticker":"CRSP","cik":"0001674416","company_name":"CRISPR Therapeutics AG","filed_at":"2023-03-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.094565+00:00","generated_at":"2026-06-17T10:37:56.590496+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"CRISPR Therapeutics board member Brad Bolzon resigns after nearly a decade","bullets":["Brad Bolzon, Chairman and Managing Director of Versant Ventures, resigned from CRISPR Therapeutics board effective March 28, 2023.","Resignation was not due to any dispute or disagreement with the company or its board.","Bolzon served nearly a decade and was instrumental in defining the company's vision and strategy since its founding.","No replacement named; company expressed gratitude for his contributions."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-010439","json":"https://secwatch.observer/filing/0000950170-23-010439.json","markdown":"https://secwatch.observer/filing/0000950170-23-010439.md","text":"https://secwatch.observer/filing/0000950170-23-010439.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1674416/000095017023010439/0000950170-23-010439-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1674416/000095017023010439/crsp-20230328.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T10:37:56.590496+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":[{"claim_id":"531cfd1128","claim":"Bradley Bolzon resigned as director at CRISPR Therapeutics AG.","evidence_excerpt":"On March 28, 2023, Bradley Bolzon, Ph.D. notified the Board of Directors of CRISPR Therapeutics AG (the “Company”) of his intention to resign as a director of the Company, effective as of the close of business on March 28, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1674416/000095017023010439/0000950170-23-010439-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}