...NASDAQ:TSRO), Waltham, Mass. Business: Cancer Hired: Tim Pearson as CFO, formerly EVP and CFO of Catalyst Health Solutions Inc....

...that values Catalyst at $81.02 per share, or about $4.4 billion (see BioCentury, April 23). Catalyst Health Solutions Inc....

...is subject to shareholder and regulatory approval. The deal is expected to close next half. Catalyst Health Solutions Inc....

...SXC Health Solutions Corp. (NASDAQ:SXCI; TSX:SXC) will acquire fellow pharmacy benefit manager Catalyst Health Solutions Inc. (NASDAQ:CHSI) in a...