secwatch.observer — SEC 8-K summary ====================================== Issuer: Cytek Biosciences, Inc. (CTKB) CIK: 0001831915 Form: 8-K Filed at: 2026-06-25T20:32:03+00:00 Accession: 0001193125-26-282871 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Cytek Biosciences CLO Valerie Barnett to depart on June 29, 2026 ---------------------------------------------------------------- - CLO and Corporate Secretary Valerie Barnett to leave Cytek effective June 29, 2026. - Departure is not due to any disagreement with company operations, policies, or practices. - Effective date of termination is June 29, 2026; no successor announced. - Filing states separation is amicable; no further details disclosed. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1831915/000119312526282871/0001193125-26-282871-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1831915/000119312526282871/d175876d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-282871 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer