InsidersTradesSigma
Explore the full record of transactions filed by 張勉. Director active across 1 company, notably China Kingstone Mining Holdings Ltd.. Cumulatively, 1 disclosures have been recorded. History available since 10 April 2026. The latest transaction was filed on 10 April 2026 (Sale). Regulator: HKEX. The full history is openly available.
1 of 1 declaration