Jack Ma, founder and executive chairman of Alibaba Group in Shanghai China on Dec. 5th, 2017. Alibaba's regulatory filings last week revealed Ma is looking to sell 10 million shares at a value of around $870 million. Alibaba founder Jack Ma held off on plans to trim his stake in the Chinese e-commerce giant after the share price fell. However, the plans to sell shares were made in August and coincidentally were made public on Nov. 16, Jiang said. The Alibaba founder has dedicated his time to teaching and research in areas such as agricultural science.

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Persons: Jack Ma, Ma, Jane Jiang, Jiang, Alibaba Organizations: Alibaba Group, CNBC, Alibaba's, Beijing Locations: Shanghai China, Alibaba's U.S