February 25, 2019
Chinese biopharmaceutical firm Sinovac Biotech Ltd. has used a poison pill to freeze out a group of shareholders who allegedly conspired to try to take control of the company board, the latest development in a dispute that has spawned lawsuits in both the Caribbean and Massachusetts.
December 20, 2018
The Eastern Caribbean Supreme Court for Antigua and Barbuda dismissed a claim Wednesday by dissident shareholders in the Chinese biopharmaceutical firm Sinovac, keeping in place the longtime directors despite an allegation in Boston federal court that they had illegally issued shares to maintain board control.
October 16, 2018
A federal judge declined to impose a stock injunction against Chinese biopharmaceutical firm Sinovac on Monday after a Massachusetts family and its private equity arm had argued the company was unlawfully issuing private placement shares to prevent a takeover of its board on the island of Antigua.
October 11, 2018
A Massachusetts federal judge Thursday questioned the merits of a shareholder's demand that he halt corporate restructuring by the biopharmaceutical firm Sinovac amid a dispute over an alleged hostile takeover of the company's board of directors on the Caribbean island of Antigua.
October 10, 2018
Sinovac Biotech Ltd. and a wealthy Massachusetts family accused of fraudulently overthrowing the vaccine company's board of directors bickered in U.S. court filings Wednesday over whether the company can restructure before an Antiguan judge decides if the family's coup this spring was legitimate.
March 05, 2018
Sinovac Biotech Ltd. on Monday sued its largest shareholders in Massachusetts federal court, saying they overthrew its board of directors in an allegedly illegal coup at an annual meeting last month.