Cytek Biosciences updates bylaws to add universal proxy rules for director elections
CTKB•Cytek Biosciences adopted amended and restated bylaws on Sept. 23, 2026, tightening rules for stockholder proposals and director nominations and adding requirements under SEC Rule 14a-19.
1. Bylaw changes
The amended bylaws expand required disclosures, representations and ownership commitments for proponents through the record date and meeting date. They also broaden the chairperson’s authority to disregard non-compliant nominations or proposals and add advance-notice procedures for special meetings.




