NEW YORK, Jan. 06, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of all former stockholders of Smartsheet Inc. (NYSE: SMAR) in connection with the January 2025 sale (the “Merger” or “Buyout”) of Smartsheet to affiliates of investment funds managed by affiliates of Blackstone Inc. (collectively “Blackstone”), investment funds managed by Vista Equity Partners Management, LLC (“Vista Equity Partners” or “Vista”), and Platinum Falcon ...