Key Takeaways Roomba robot vacuum maker iRobot announced a Chapter 11 bankruptcy filing on Sunday.A deal for Amazon to buy the company fell through last year. Shares of iRobot (IRBT) plummeted over 70% Monday morning after the Roomba robot vacuum maker announced a Chapter 11 bankruptcy filing on Sunday. The company said it plans to have one of its lenders and its primary contract manufacturer, a Chinese robotics firm called Picea, acquire 100% of its equity, with iRobot set to continue operating as a ...