Dioo Microcircuits (SHA:688381) agreed to sell a 0.21% stake in Lingxin Qiaoshou (Beijing) Technology to Shenzhen Denuo Ruilang Phase 16 Investment Partnership for 35 million yuan.
The stake, carrying a book value of RMB 5.15 million, was sold at a 579% premium, according to a Thursday filing with the Shanghai bourse.
The transaction will trim the company's holding in the robotics and artificial intelligence software company to 1.19% from 1.40%.
Shares of the analog chips producer closed 2% higher Thursday.