WILMINGTON, Del. - A group of creditors who are also securities claimants in separate litigation related to the Chapter 11 bankruptcy of Overseas Shipholding Group Inc. (OSG) on April 4 filed a brief in the U.S. Bankruptcy Court for the District of Delaware opposing OSG's motion seeking approval of its disclosure statement regarding its joint plan of reorganization "because it fails to provide sufficient information" required by the Bankruptcy Code (In Re: Overseas Shipholding Group Inc., No. 12-20000, Chapter 11, D. Del. Bkcy.).