As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  5/9/05  Forrester Research, Inc.          10-Q        3/31/05    7:263K                                   Bowne of Boston/FA       
  4/4/05  Riley Timothy                     4          Officer²    2:8K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Mann Gail                         4          Officer²    2:8K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Mahoney Daniel                    4          Officer²    2:9K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Kardon Brian                      4          Officer²    2:8K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Hadley Warren                     4          Officer²    2:8K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Bradford Neil                     4          Officer²    2:8K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 
  4/4/05  Davidson Robert W                 4          Officer²    2:7K   Forrester Research, Inc.          DONNELLEY FIN… File16/FA 

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¹	Filing/Form Types:  -A
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	10-Q	Quarterly Report — Form 10-Q.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.