What is Darrah Ryan’s Forrester (FORR) share ownership after these Form 4 transactions?

Following the March 1, 2026 transactions, Darrah Ryan directly owned 26,567 Forrester common shares. This balance reflects both the shares acquired from restricted stock unit conversions and the shares withheld by the company to cover tax obligations on the vesting.

Forrester (FORR) CLO logs RSU vesting and tax share withholding

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

FORRESTER RESEARCH, INC. Chief Legal Officer Darrah Ryan reported the vesting of restricted stock units and related share withholding for taxes. On March 1, 2026, a total of 3,446 shares of common stock were acquired through the conversion of vested restricted stock units, consistent with prior grants made in March 2022 and March 2023. On the same date, 1,469 shares of common stock were withheld by the company at a price of $5.98 per share to satisfy tax withholding obligations tied to this vesting. After these transactions, Ryan directly owned 26,567 shares of Forrester common stock.

Insider Trade Summary

3,446 shares exercised/converted

Mixed 4 txns

Insider Darrah Ryan

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	1,365	$0.00	--
Exercise	Restricted Stock Units	2,081	$0.00	--
Exercise	Common Stock	3,446	$0.00	--
Tax Withholding	Common Stock	1,469	$5.98	$9K

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 28,036 shares (Direct)

Footnotes (1)

Represents the conversion, upon vesting, of restricted stock units into common stock. 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 and March 1, 2023. 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. Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock. On March 1. 2022, the reporting person was granted 5,463 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. On March 1, 2023, the reporting person was granted 8,323 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.

Form 4 Insider Transactions: What Each Field Means →

03/03/2026 - 04:27 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Darrah Ryan

(Last)

(First)

(Middle)

C/O FORRESTER RESEARCH, INC.

60 ACORN PARK DRIVE

(Street)

CAMBRIDGE

02140

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
FORRESTER RESEARCH, INC. [ FORR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/01/2026		M⁽¹⁾		3,446	A	$0	28,036	D
Common Stock	03/01/2026		F		1,469⁽²⁾	D	$5.98	26,567	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0⁽³⁾	03/01/2026		M			1,365	⁽⁴⁾	⁽⁴⁾	Common Stock	1,365	$0	0	D
Restricted Stock Units	$0⁽³⁾	03/01/2026		M			2,081	⁽⁵⁾	⁽⁵⁾	Common Stock	2,081	$0	2,081	D

Explanation of Responses:

1. Represents the conversion, upon vesting, of restricted stock units into common stock.

2. 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 and March 1, 2023. 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.

3. Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

4. On March 1. 2022, the reporting person was granted 5,463 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.

5. On March 1, 2023, the reporting person was granted 8,323 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.

	Maite Garcia, attorney-in-fact for Ryan Darrah	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did FORR Chief Legal Officer Darrah Ryan report?

Darrah Ryan reported RSU vesting and related tax withholding transactions. On March 1, 2026, 3,446 common shares were acquired from vested restricted stock units and 1,469 shares were withheld by Forrester to cover tax obligations associated with those vesting awards.

How many Forrester (FORR) shares did Darrah Ryan acquire through RSU vesting?

Ryan acquired 3,446 Forrester common shares through restricted stock units vesting. These shares resulted from RSU grants originally awarded in March 2022 and March 2023, each unit representing the right to receive one share of common stock upon vesting.

How many Forrester (FORR) shares were withheld to cover taxes for Darrah Ryan?

Forrester withheld 1,469 common shares from Darrah Ryan to satisfy tax withholding obligations. The shares were valued at $5.98 each and were withheld in connection with the March 1, 2026 vesting of previously granted restricted stock unit awards.

What do the restricted stock units in this Forrester (FORR) Form 4 represent?

Each restricted stock unit represents the right to receive one Forrester common share after vesting. The filing notes grants on March 1, 2022 and March 1, 2023, each vesting and converting into common stock in four equal annual installments.

Were Darrah Ryan’s Forrester (FORR) transactions open-market buys or sales?

The transactions reflect RSU vesting and tax withholding, not open-market trading. Shares were acquired through the conversion of restricted stock units, and a portion was withheld by Forrester to pay tax liabilities related to those vesting awards.