Andrew Cox - 01 Mar 2026 Form 4 Insider Report for FORRESTER RESEARCH, INC. (FORR)

Role: Chief Marketing Officer
Signature: Maite Garcia, attorney-in-fact for Andrew Cox
Issuer symbol: FORR
Transactions as of: 01 Mar 2026
Net transactions value: -$448
Form type: 4
Filing time: 03 Mar 2026, 16:22:22 UTC
Previous filing: 05 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Cox Andrew	Chief Marketing Officer	C/O FORRESTER RESEARCH, INC., 60 ACORN PARK DRIVE, CAMBRIDGE	Maite Garcia, attorney-in-fact for Andrew Cox	03 Mar 2026	0002070719

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FORR	Common Stock	Options Exercise	$0	+190	+12%	$0.000000	1,759	01 Mar 2026	Direct	F1
transaction	FORR	Common Stock	Tax liability	$448	-75	-4.3%	$5.98	1,684	01 Mar 2026	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FORR	Restricted Stock Units	Options Exercise	$0	-190	-100%	$0.000000	0	01 Mar 2026	Common Stock	190	$0.000000	Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the conversion, upon vesting, of restricted stock units into common stock.
F2	Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on March 1, 2026 of the restricted stock units awarded to the reporting person on March 1, 2022. The awards include a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the awards.
F3	Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.
F4	On March 1, 2022, the reporting person was granted 762 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.