Kingston Founders Wrap Up Their Buyout

Kingston Technology Co. founders John Tu and David Sun said Friday that they completed their previously announced purchase of 80% of Kingston from Japanese conglomerate Softbank Corp. for $450 million. The deal, handled by Synapse Capital LLC, closed Friday. Sun and Tu sold the stake in Kingston to Softbank three years ago for $1.5 billion in cash and stock. Tu and Sun still own 4.7 million Softbank shares, which are worth about $1.23 billion.