{"filing":{"accession_number":"0001193125-26-253538","cik":"0001831915","ticker":"CTKB","company_name":"Cytek Biosciences, Inc.","form":"8-K","filing_date":"2026-06-02","report_date":null,"primary_document":"d161903d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526253538/d161903d8k.htm"},"events":[{"id":2797,"run_id":2431,"accession_number":"0001193125-26-253538","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Philippe Busque, Ph.D., Senior Vice President of Global Sales and Services, resigned effective June 5, 2026, to pursue another career opportunity. The disclosure centers on the departure of a named executive officer from a material sales and services leadership role. While the resignation is stated as non-contentious, the loss of an SVP responsible for global sales represents a material change in executive composition that would affect investor assessment of the company's operational continuity.","company_name":"Cytek Biosciences, Inc.","ticker":"CTKB","filing_date":"2026-06-02","items":[{"id":3582,"accession_number":"0001193125-26-253538","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Philippe Busque, Ph.D., Senior Vice President of Global Sales and Services, resigned effective June 5, 2026, to pursue another career opportunity. The disclosure centers on the departure of a named executive officer from a material sales and services leadership role. While the resignation is stated as non-contentious, the loss of an SVP responsible for global sales represents a material change in executive composition that would affect investor assessment of the company's operational continuity.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-03T02:17:48.690489+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":3582,"accession_number":"0001193125-26-253538","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Philippe Busque, Ph.D., Senior Vice President of Global Sales and Services, resigned effective June 5, 2026, to pursue another career opportunity. The disclosure centers on the departure of a named executive officer from a material sales and services leadership role. While the resignation is stated as non-contentious, the loss of an SVP responsible for global sales represents a material change in executive composition that would affect investor assessment of the company's operational continuity.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-03T02:17:48.690489+00:00","company_name":"Cytek Biosciences, Inc.","ticker":"CTKB","filing_date":"2026-06-02"}]}