SVA [SINOVAC BIOTECH] 6-K: SINOVAC BIOTECH LTD. and PACIFIC STOCK TRANSFER COMPANY
[SINOVAC BIOTECH LTD. and PACIFIC STOCK TRANSFER COMPANY as Rights Agent THIRD AMENDMENT TO RIGHTS AGREEMENT Effective as of March 6, 2018 Amendment Rights Agreement Company Rights Agent This Third Amendment (the “ WHEREAS, the Company and the Rights Agent have heretofore executed and entered into th]