Concord Healthcare's (HKG:2453) controlling shareholder, Medstar (Shanghai) Enterprise Management, acquired an additional 45,600 H shares of the company for HK$311,904, a Wednesday Hong Kong bourse filing said.

The shares, which were purchased from the open market for HK$6.84 apiece, represent roughly 0.01% of the Chinese oncology healthcare service provider's total issued share capital.