{"url_path":"/sec/ctkb/8-k/2026-06-02/item-5-02","section_key":"item-5-02","section_title":"Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-02","source_url":"https://www.sec.gov/Archives/edgar/data/1831915/0001193125-26-253538-index.html","accession_number":"0001193125-26-253538","cik":"0001831915","ticker":"CTKB","issuer_name":"Cytek Biosciences, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1831915/0001193125-26-253538-index.html","primary_entity_key":"0001831915","primary_entity_name":"Cytek Biosciences, Inc."},"word_count":125,"has_tables":true,"body_markdown":"Item 5.02\n\nDeparture of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.\n\nOn May 27, 2026, Philippe Busque, Ph.D. submitted his resignation from his position as the Senior Vice President, Global Sales and Services of Cytek Biosciences, Inc. (the “Company”), effective as of June 5, 2026, to pursue another career opportunity. Dr. Busque’s resignation is not due to any disagreement with the Company’s operations, policies or practices.\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n\n \nCytek Biosciences, Inc.\n\nDate: June 2, 2026\n \n\n \nBy:\n \n\n/s/ Wenbin Jiang\n\n \n\n \n\n \nWenbin Jiang, Ph.D.\n\n \n\n \n\n \nPresident and Chief Executive Officer"}