{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-407330","form_type":"8-K","ticker":"CTKB","cik":"0001831915","company_name":"Cytek Biosciences, Inc.","filed_at":"2026-09-29T20:06:24+00:00","discovered_at":"2026-09-29T20:07:00.281580+00:00","generated_at":"2026-10-12T13:48:22.696362+00:00","sec_items":["5.03","9.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Cytek Biosciences board adopts amended and restated bylaws effective September 23, 2026","bullets":["Board unanimously adopted amended and restated bylaws on September 23, 2026, effective immediately; Exhibit 3.1 attached to the 8-K.","Changes include removing Rule 14a-8 prefatory clause and adding disclosure/representation requirements for stockholder proposal proponents and director nominees.","Bylaws expand chairperson authority to disregard non-compliant nominations and incorporate Rule 14a-19 universal proxy rules; add special meeting advance notice procedures.","Also update adjournment notices for virtual/remote meetings and stockholder list procedures under Delaware General Corporation Law; CEO Wenbin Jiang signed on September 29, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-407330","json":"https://secwatch.observer/filing/0001193125-26-407330.json","markdown":"https://secwatch.observer/filing/0001193125-26-407330.md","text":"https://secwatch.observer/filing/0001193125-26-407330.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526407330/0001193125-26-407330-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526407330/d94407d8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T13:48:22.696362+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}