BALA CYNWYD, Pa.--(BUSINESS WIRE)--Law office of Brodsky & Smith, LLC announces that it is investigating potential claims against the Board of Directors of OM Group, Inc. ("OM Group” or "the Company") (NYSE: OMG) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to Apollo Global Management, LLC (“Apollo”). Click here to learn more about the investigation http://brodsky-smith.com/949-omg-om-group-inc.html, or call: 877-534-25


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