0001209191-09-011273 4 1 20090220 20090224 20090224 LEAHY JOHN J 0001214013 4 34 000-51598 09631203 508-855-1000 C/O THE HANOVER INSURANCE GROUP, INC. 440 LINCOLN STREET WORCESTER MA 01653 IROBOT CORP 0001159167 3630 770259335 DE 1231 8 CROSBY DRIVE BEDFORD MA 01730 781-430-3000 8 CROSBY DRIVE BEDFORD MA 01730 4 1 doc4.xml FORM 4 SUBMISSION