(Yicai Global) July 30 -- The collective stake in Alibaba Group Holding held by executives and directors fell to 9.5 percent this month from 10.6 percent in June 2017, according to a filing with the US Securities and Exchange Commission.

Chairman Jack Ma's share fell to 6.4 percent as of the July 18 compared to 7.0 percent on June 9, 2017, while Executive Vice-Chairman Joseph Tsai's stake dropped to 2.3 percent from 2.5 percent last year.

SoftBank holds a 28.8 percent stake, while Altaba holds a 14.8 percent stake compared with 29.2 percent and 15 percent stake, respectively, last year. Yahoo was renamed Altaba after selling its core business to US carrier Verizon.

Editor: William Clegg