X0306 4 2012-10-01 0 0001159167 IROBOT CORP IRBT 0001343118 Dyer Joseph Wendell C/O IROBOT CORPORATION 8 CROSBY DRIVE BEDFORD MA 01730 0 1 0 0 Chief Strategy Officer Common Stock 2012-10-01 4 F 0 299 22.99 D 69105 D Common Stock 100 I By stepson Consists of 299 shares withheld by iRobot Corporation in order to satisfy the minimum tax withholding obligation of the reporting person. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose. /s/ Glen D. Weinstein, Attorney-in-Fact 2012-10-02