X0306 4 2013-05-14 0 0001023313 FORRESTER RESEARCH, INC. FORR 0001275810 HORNIG GEORGE C/O FORRESTER RESEARCH, INC. 60 ACORN PARK DRIVE CAMBRIDGE MA 02140 1 0 0 0 Restricted Stock Units 0.00 2013-05-14 4 A 0 3478 0.00 A common stock 3478 3478 D Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock. Unless earlier forfeited under the terms of the RSU, the award vests and converts into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date. Maite Garcia, attorney-in-fact for George Hornig 2013-05-16