Levi & Korsinsky is investigating the Board of Directors of Catalyst Health Solutions Inc. (“Catalyst”) (Nasdaq: CHSI) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to SXC Health Solutions Corp. (“SXC”) (Nasdaq: SXCI). Under the terms of the transaction, Catalyst shareholders will receive $28.00 in cash and 0.6606 shares of SXC stock for each Catalyst share they own. The transaction values Catalyst stock at approximately $81.02 per for a total transaction value of approximately $4.4 billion. Click here to learn how to join the action: http://www.zlk.com/catalyst-health-solutions-chsi, or call: 877-363-5972. There is no cost or obligation to you. The investigation concerns whether the Catalyst Board of Directors breached their fiduciary duties to Catalyst stockholders by failing to adequately shop the Company before entering into this transaction and whether SXC is underpaying for Catalyst shares, thus unlawfully harming Catalyst stockholders. If you own common stock in Catalyst and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at firstname.lastname@example.org or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or http://www.zlk.com. Levi & Korsinsky is a national firm with offices in New York and Washington D.C. The firm has extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. The attorneys at Levi & Korsinsky have been appointed by numerous courts throughout the country to serve as lead counsel on behalf of shareholders in major securities lawsuits and have successfully recovered multimillion-dollar damages awards on behalf of investors. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.