NEW YORK--(BUSINESS WIRE)--Rosen Law Firm, a global investor rights law firm, announces that a shareholder filed a class action on behalf of purchasers of Transocean Ltd. (NYSE: RIG) securities between October 31, 2023 and September 9, 2024, both dates inclusive (the “Class Period”). Transocean provides offshore contract drilling services for oil and gas wells worldwide. For more information, submit a form, email attorney Phillip Kim, or give us a call at 866-767-3653. The Allegations: Rosen La