X0306 4 2018-08-27 0 0001159167 IROBOT CORP IRBT 0001341213 Weinstein Glen Daniel C/O IROBOT CORPORATION 8 CROSBY DRIVE BEDFORD MA 01730 0 1 0 0 EVP and Chief Legal Officer Common Stock 2018-08-27 4 M 0 2326 34.30 A 67578 D Common Stock 2018-08-27 4 M 0 3575 35.43 A 71153 D Common Stock 2018-08-27 4 S 0 11408 111.08 D 59745 D Employee Stock Option (Right to buy) 34.30 2018-08-27 4 M 0 2326 0.00 D 2015-03-06 2022-03-06 Common Stock 2326 2324 D Employee Stock Option (Right to buy) 35.43 2018-08-27 4 M 0 3575 0.00 D 2021-06-06 Common Stock 3575 0 D The range of prices for the transaction reported on this line was $111.00 to $111.23. The average weighted price was $111.08. The reporting person will provide, upon request by the SEC, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. This option vests over a four-year period, at a rate of twenty-five percent (25%) on the first anniversary of the date listed in the table, and quarterly thereafter. This option is currently exercisable. /s/ Glen D. Weinstein 2018-08-29