FORR

SEC source: 0001193125-26-088200 · ownership.xml · nonDerivative · entry 1

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,603

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001193125-26-088167 · ownership.xml · derivative · entry 4

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,784

Underlying: Common Stock · 3,783 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F5 · derivative.exercise_date: On March 1, 2023, the reporting person was granted 15,133 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.

F5 · derivative.expiration_date: On March 1, 2023, the reporting person was granted 15,133 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.

SEC source: 0001193125-26-088167 · ownership.xml · derivative · entry 3

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,483 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On March 1, 2022, the reporting person was granted 9,934 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.

F4 · derivative.expiration_date: On March 1, 2022, the reporting person was granted 9,934 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.

SEC source: 0001193125-26-088167 · ownership.xml · nonDerivative · entry 2

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,348

F2 · shares: 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.

SEC source: 0001193125-26-088167 · ownership.xml · nonDerivative · entry 1

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,518

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001193125-26-034702 · ownership.xml · derivative · entry 3

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 774

Underlying: Common Stock · 388 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On February 1, 2024 the reporting person was granted 1,550 Restricted Stock Units that unless earlier forfeited under the terms of the RSU, vests and convert into common stock in four equal installments on the first, second, third, and fourth anniversaries of the grant date.

F4 · derivative.expiration_date: On February 1, 2024 the reporting person was granted 1,550 Restricted Stock Units that unless earlier forfeited under the terms of the RSU, vests and convert into common stock in four equal installments on the first, second, third, and fourth anniversaries of the grant date.

SEC source: 0001193125-26-034702 · ownership.xml · nonDerivative · entry 2

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,315

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on February 1, 2026 of the restricted stock units awarded to the reporting person on February 1, 2024. 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.

SEC source: 0001193125-26-034702 · ownership.xml · nonDerivative · entry 1

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,449

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001193125-25-307869 · ownership.xml · nonDerivative · entry 1

BRADFORD NEIL · CIK 0001206313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,997

F1 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on December 1, 2025 of the restricted stock units awarded to the reporting person on June 1, 2025. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0001193125-25-227693 · ownership.xml · derivative · entry 3

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 5,040 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On October 1, 2021, the reporting person was granted 20,161 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.

F4 · derivative.expiration_date: On October 1, 2021, the reporting person was granted 20,161 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.

SEC source: 0001193125-25-227693 · ownership.xml · nonDerivative · entry 2

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,252

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on October 1, 2025 of the restricted stock units awarded to the reporting person on October 1, 2021. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0001193125-25-227693 · ownership.xml · nonDerivative · entry 1

Finn Leo Christian · CIK 0001882029 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,731

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001206313-25-000005 · ownership.xml · nonDerivative · entry 1

BRADFORD NEIL · CIK 0001206313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,195

F1 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on September 1, 2025 of the restricted stock units awarded to the reporting person on June 1, 2025. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102774 · ownership.xml · derivative · entry 4

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,850

Underlying: common stock · 926 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 1, 2023, the reporting person was granted 3,702 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.

F4 · derivative.expiration_date: On August 1, 2023, the reporting person was granted 3,702 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.

SEC source: 0000950170-25-102774 · ownership.xml · nonDerivative · entry 2

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,958

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 1, 2023. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102774 · ownership.xml · nonDerivative · entry 1

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,229

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102744 · ownership.xml · derivative · entry 4

Cox Andrew · CIK 0002070719 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 616

Underlying: common stock · 309 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F5 · derivative.exercise_date: On August 1, 2023, the reporting person was granted 1234 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2024, August 1, 2025, August 1, 2026 and August 1, 2027.

F5 · derivative.expiration_date: On August 1, 2023, the reporting person was granted 1234 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2024, August 1, 2025, August 1, 2026 and August 1, 2027.

SEC source: 0000950170-25-102744 · ownership.xml · derivative · entry 3

Cox Andrew · CIK 0002070719 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 137 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 2, 2021, the reporting person was granted 550 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

F4 · derivative.expiration_date: On August 2, 2021, the reporting person was granted 550 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

SEC source: 0000950170-25-102744 · ownership.xml · nonDerivative · entry 2

Cox Andrew · CIK 0002070719 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,569

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 2, 2021 and August 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.

SEC source: 0000950170-25-102744 · ownership.xml · nonDerivative · entry 1

Cox Andrew · CIK 0002070719 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,722

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102699 · ownership.xml · derivative · entry 4

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 926 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 1, 2023, the reporting person was granted 3,702 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.

F4 · derivative.expiration_date: On August 1, 2023, the reporting person was granted 3,702 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.

SEC source: 0000950170-25-102699 · ownership.xml · nonDerivative · entry 2

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,958

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 1, 2023. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102699 · ownership.xml · nonDerivative · entry 1

Chouinard Scott · CIK 0001477137 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,229

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102711 · ownership.xml · derivative · entry 5

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,911

Underlying: common stock · 1,971 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F6 · derivative.exercise_date: On August 1, 2024, the reporting person was granted 7,882 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.

F6 · derivative.expiration_date: On August 1, 2024, the reporting person was granted 7,882 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.

SEC source: 0000950170-25-102711 · ownership.xml · derivative · entry 4

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,268

Underlying: common stock · 634 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F5 · derivative.exercise_date: On August 1, 2023, the reporting person was granted 2,536 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.

F5 · derivative.expiration_date: On August 1, 2023, the reporting person was granted 2,536 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.

SEC source: 0000950170-25-102711 · ownership.xml · derivative · entry 3

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 176 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 2, 2021, the reporting person was granted 705 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

F4 · derivative.expiration_date: On August 2, 2021, the reporting person was granted 705 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

SEC source: 0000950170-25-102711 · ownership.xml · nonDerivative · entry 2

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,061

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 2, 2021, August 1, 2023 and August 1, 2024. 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.

SEC source: 0000950170-25-102711 · ownership.xml · nonDerivative · entry 1

Facemire Michael · CIK 0002030949 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,876

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102690 · ownership.xml · derivative · entry 3

Darrah Ryan · CIK 0001699194 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 1,514 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 2, 2021, the reporting person was granted 6,059 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

F4 · derivative.expiration_date: On August 2, 2021, the reporting person was granted 6,059 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

SEC source: 0000950170-25-102690 · ownership.xml · nonDerivative · entry 2

Darrah Ryan · CIK 0001699194 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,590

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 2, 2021. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102690 · ownership.xml · nonDerivative · entry 1

Darrah Ryan · CIK 0001699194 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,231

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102681 · ownership.xml · derivative · entry 3

Johnson Carrie · CIK 0001756940 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 2,203 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 2, 2021, the reporting person was granted 8,814 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

F4 · derivative.expiration_date: On August 2, 2021, the reporting person was granted 8,814 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

SEC source: 0000950170-25-102681 · ownership.xml · nonDerivative · entry 2

Johnson Carrie · CIK 0001756940 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,354

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 2, 2021. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102681 · ownership.xml · nonDerivative · entry 1

Johnson Carrie · CIK 0001756940 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,176

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-102687 · ownership.xml · derivative · entry 3

Leaver Sharyn · CIK 0001906010 · Chief Research Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 826 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On August 2, 2021, the reporting person was granted 3,305 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

F4 · derivative.expiration_date: On August 2, 2021, the reporting person was granted 3,305 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on August 1, 2022, August 1, 2023, August 1, 2024 and August 1, 2025.

SEC source: 0000950170-25-102687 · ownership.xml · nonDerivative · entry 2

Leaver Sharyn · CIK 0001906010 · Chief Research Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,609

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on August 1, 2025 of the restricted stock units awarded to the reporting person on August 2, 2021. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-102687 · ownership.xml · nonDerivative · entry 1

Leaver Sharyn · CIK 0001906010 · Chief Research Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,846

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-080798 · ownership.xml · nonDerivative · entry 1

Bennett Robert Paul · CIK 0001881869 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,305

F1 · shares: The securities awarded on June 2, 2025 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2025, with an equal number of shares vesting on each of December 1, 2025 and March 1, 2026, and the balance of the shares vesting on June 1, 2026.

SEC source: 0000950170-25-080794 · ownership.xml · nonDerivative · entry 2

BRADFORD NEIL · CIK 0001206313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,393

F2 · shares: The securities awarded on June 2, 2025 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2025, with an equal number of shares vesting on each of December 1, 2025 and March 1, 2026, and the balance of the shares vesting on June 1, 2026.

SEC source: 0000950170-25-080790 · ownership.xml · nonDerivative · entry 1

Munchbach Cory · CIK 0002025113 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,737

F1 · shares: The securities awarded on June 2, 2025 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2025, with an equal number of shares vesting on each of December 1, 2025 and March 1, 2026, and the balance of the shares vesting on June 1, 2026.

SEC source: 0000950170-25-080786 · ownership.xml · nonDerivative · entry 1

Friscia Anthony J · CIK 0001707742 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,938

F1 · shares: The securities awarded on June 2, 2025 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2025, with an equal number of shares vesting on each of December 1, 2025 and March 1, 2026, and the balance of the shares vesting on June 1, 2026.

SEC source: 0000950170-25-080782 · ownership.xml · nonDerivative · entry 1

Romine Warren N · CIK 0001374058 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,702

F1 · shares: The securities awarded on June 2, 2025 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2025, with an equal number of shares vesting on each of December 1, 2025 and March 1, 2026, and the balance of the shares vesting on June 1, 2026.

SEC source: 0000950170-25-080770 · ownership.xml · derivative · entry 1

Cox Andrew · CIK 0002070719 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,056

Underlying: common stock · 17,056 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F3 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F2 · derivative.exercise_date: On June 2, 2025, the reporting person was granted 17,056 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on June 1, 2026, June 1, 2027, June 1, 2028 and June 1, 2029.

F2 · derivative.expiration_date: On June 2, 2025, the reporting person was granted 17,056 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on June 1, 2026, June 1, 2027, June 1, 2028 and June 1, 2029.

SEC source: 0000950170-25-080049 · ownership.xml · derivative · entry 3

Gonsalves Jobina · CIK 0002025378 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,738

Underlying: common stock · 4,913 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On June 3, 2024, the reporting person was granted 19,651 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on June 1, 2025, June 1, 2026, June 1, 2027 and June 1, 2028.

F4 · derivative.expiration_date: On June 3, 2024, the reporting person was granted 19,651 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments on June 1, 2025, June 1, 2026, June 1, 2027 and June 1, 2028.

SEC source: 0000950170-25-080049 · ownership.xml · nonDerivative · entry 2

Gonsalves Jobina · CIK 0002025378 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,490

F2 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on June 1, 2025 of the restricted stock units awarded to the reporting person on June 3, 2024. 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.

SEC source: 0000950170-25-080049 · ownership.xml · nonDerivative · entry 1

Gonsalves Jobina · CIK 0002025378 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,913

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0000950170-25-080794 · ownership.xml · nonDerivative · entry 1

BRADFORD NEIL · CIK 0001206313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,393

F1 · shares: Represents shares withheld by the Issuer to satisfy tax withholding obligations upon the vesting on June 1, 2025 of the restricted stock units awarded to the reporting person on June 1, 2024. The award includes a provision for the withholding of shares by the Issuer to satisfy withholding taxes due as a result of the vesting of the award.

SEC source: 0000950170-25-049990 · ownership.xml · derivative · entry 2

Gonsalves Jobina · CIK 0002025378 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,333

Underlying: common stock · 23,333 shares

Expires 2035-03-31

F3 · derivative.exercise_date: The Options become exercisable in four equal installments on the first, second, third, and fourth anniversaries of the grant date.

SEC source: 0000950170-25-049990 · ownership.xml · derivative · entry 1

Gonsalves Jobina · CIK 0002025378 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: common stock · 20,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F2 · derivative.exercise_date: On April 1, 2025, the reporting person was granted 20,000 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.

F2 · derivative.expiration_date: On April 1, 2025, the reporting person was granted 20,000 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.

SEC source: 0000950170-25-049987 · ownership.xml · derivative · entry 5

Darrah Ryan · CIK 0001699194 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,333

Underlying: common stock · 23,333 shares

Expires 2035-03-31

F6 · derivative.exercise_date: The Options become exercisable in four equal installments on the first, second, third, and fourth anniversaries of the grant date.