IMotion Automotive Technology (HKG:1274) said Chairman Song Yang bought Hong Kong shares in the open market, alongside other executives and a supervisor, according to a Monday bourse filing.

Shares of the autonomous driving company were down nearly 2% in Tuesday's late morning trade.

The purchases were made between April 13 and April 17 using personal funds.

IMotion added that executives, supervisors, and employees may further increase their holdings over the next 12 months, with total purchases expected to not exceed 50 million yuan.