NEW YORK (TheStreet) -- Roche Holding Ltd. (RHHBY) will pay up to $1.725 billion to buy Seragon Pharmaceuticals, a privately-held, San Diego-based biotech company that researches breast cancer treatments, Reuters reports.
The company was spun out from Aragon Pharmaceuticals in 2013 when that company was bought by Johnson & Johnson (JNJ - Get Report), Reuters noted.
Roche Holding shares closed slightly lower at $37.29 yesterday.
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