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Latest filing published 13 Jul 2021 for 道明光学.
Only one filing by 郭育民 is known so far (13 July 2021): an open-market sale, €110k, in 道明光学. That is too little to draw conclusions. This summary is built from SSE / SZSE (CSRC) disclosures alone and does not predict where the share price will go.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.