Loading CTKB…
SEC filing
CTKB · CIK 1831915
4 · Aug 20, 2026 · Director, CHIEF TECHNOLOGY OFFICER Yan Ming exercised options for 66.54K shares; reported 8,088 shares
Director, CHIEF TECHNOLOGY OFFICER Yan Ming exercised options for 66.54K shares; reported 8,088 shares
Could not load the primary document from EDGAR (SEC rate limit, timeout, or temporary upstream error). Refresh in a minute, or use View on SEC.gov.