Jiangsu Changling Hydraulic (SHA:605389) said a shareholder plans to transfer his 5% stake to his son-in-law for 595.2 million yuan, according to a Shanghai bourse disclosure on Wednesday.
Xia Jifa will offload 9,365,660 shares to Fan Chunxiao for 63.55 yuan per share.
Xia's stake in the company will decline to 1.34% from 6.34% after the transaction.
The hydraulic parts manufacturer's shares dropped 3% at the close.