EquipmentShare.com Inc. investors who bought Class A common stock traceable to its January 2026 IPO or purchased securities between Jan. 23 and June 23, 2026, have until Sept. 21, 2026, to seek appointment as lead plaintiff in an existing securities class action. The lawsuit alleges that EquipmentShare failed to disclose additional related-party transactions and that certain transactions with entities owned or controlled by its co-founders had not been terminated or substantially reduced. It further alleges the omissions made the company's financial statements and positive statements about its business, operations and prospects materially misleading. Rosen Law Firm said investors may seek compensation through a contingency-fee arrangement. No class has been certified.