1. iRobot filed for bankruptcy, disappointing co-founder Colin Angle. 2. Shenzhen Picea Robotics will take iRobot private amidst financial struggles. 3. iRobot owes significant liabilities, including $100 million to Picea. 4. Company's shares dropped over 72% following the bankruptcy announcement. 5. Sales fell 25% year-over-year, with $190 million in debt.