IT

SEC source: 0001127602-23-003842 · form4.xml · derivative · entry 5

Wartinbee William James III · CIK 0001964065 · SVP, Global Sales Strat & Ops

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526

Underlying: Common Stock · 526 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003842 · form4.xml · nonDerivative · entry 2

Wartinbee William James III · CIK 0001964065 · SVP, Global Sales Strat & Ops

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,132

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003842 · form4.xml · nonDerivative · entry 1

Wartinbee William James III · CIK 0001964065 · SVP, Global Sales Strat & Ops

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,317

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003841 · form4.xml · derivative · entry 5

Sribar Valentin · CIK 0001907594 · EVP, Research & Advisory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526

Underlying: Common Stock · 526 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003841 · form4.xml · nonDerivative · entry 2

Sribar Valentin · CIK 0001907594 · EVP, Research & Advisory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,162

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003841 · form4.xml · nonDerivative · entry 1

Sribar Valentin · CIK 0001907594 · EVP, Research & Advisory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,338

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003840 · form4.xml · derivative · entry 5

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,217

Underlying: Common Stock · 3,217 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003840 · form4.xml · nonDerivative · entry 2

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,034

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003840 · form4.xml · nonDerivative · entry 1

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,256

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003835 · form4.xml · derivative · entry 5

Allard Kenneth · CIK 0001774166 · EVP & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,208

Underlying: Common Stock · 1,208 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003835 · form4.xml · nonDerivative · entry 2

Allard Kenneth · CIK 0001774166 · EVP & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,776

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003835 · form4.xml · nonDerivative · entry 1

Allard Kenneth · CIK 0001774166 · EVP & CMO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,282

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003836 · form4.xml · derivative · entry 5

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,923

Underlying: Common Stock · 1,924 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003836 · form4.xml · nonDerivative · entry 2

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,406

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003836 · form4.xml · nonDerivative · entry 1

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,029

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003834 · form4.xml · derivative · entry 5

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 486

Underlying: Common Stock · 486 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003834 · form4.xml · nonDerivative · entry 2

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,641

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003834 · form4.xml · nonDerivative · entry 1

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,814

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003833 · form4.xml · derivative · entry 5

Genovese Yvonne · CIK 0001843710 · EVP, Global Product Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526

Underlying: Common Stock · 526 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003833 · form4.xml · nonDerivative · entry 2

Genovese Yvonne · CIK 0001843710 · EVP, Global Product Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,023

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003833 · form4.xml · nonDerivative · entry 1

Genovese Yvonne · CIK 0001843710 · EVP, Global Product Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,169

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003832 · form4.xml · derivative · entry 5

Diliberto Michael Patrick · CIK 0001680446 · EVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,785

Underlying: Common Stock · 1,785 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003832 · form4.xml · nonDerivative · entry 2

Diliberto Michael Patrick · CIK 0001680446 · EVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,171

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003832 · form4.xml · nonDerivative · entry 1

Diliberto Michael Patrick · CIK 0001680446 · EVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,751

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003830 · form4.xml · derivative · entry 5

HALL EUGENE A · CIK 0001198849 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,195

Underlying: Common Stock · 11,195 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003830 · form4.xml · nonDerivative · entry 2

HALL EUGENE A · CIK 0001198849 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,149,957

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003830 · form4.xml · nonDerivative · entry 1

HALL EUGENE A · CIK 0001198849 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,154,489

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003831 · form4.xml · derivative · entry 5

Beck Joseph P. · CIK 0001729479 · EVP, Global Technology Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,539

Underlying: Common Stock · 1,539 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003831 · form4.xml · nonDerivative · entry 2

Beck Joseph P. · CIK 0001729479 · EVP, Global Technology Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,295

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003831 · form4.xml · nonDerivative · entry 1

Beck Joseph P. · CIK 0001729479 · EVP, Global Technology Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,683

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003828 · form4.xml · derivative · entry 5

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,941

Underlying: Common Stock · 1,942 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.

F1 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.exercise_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

F1 · derivative.expiration_date: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-003828 · form4.xml · nonDerivative · entry 2

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,759

F2 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-23-003828 · form4.xml · nonDerivative · entry 1

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,562

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 · shares: Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing on February 5, 2021. This represents the 2023 installment.

SEC source: 0001127602-23-000956 · form4.xml · derivative · entry 1

Bisson Peter · CIK 0001650029 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,868

Underlying: Common Stock · 50 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000958 · form4.xml · derivative · entry 3

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 130 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000958 · form4.xml · derivative · entry 2

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130

Underlying: Common Stock · 130 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000958 · form4.xml · nonDerivative · entry 1

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 709,200

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-000934 · form4.xml · derivative · entry 1

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,138

Underlying: Common Stock · 52 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000953 · form4.xml · derivative · entry 3

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,577

Underlying: Common Stock · 34 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000953 · form4.xml · derivative · entry 2

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,611

Underlying: Common Stock · 34 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000953 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,712

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-000951 · form4.xml · derivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,093

Underlying: Common Stock · 28 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000945 · form4.xml · derivative · entry 3

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81

Underlying: Common Stock · 56 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000945 · form4.xml · derivative · entry 2

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137

Underlying: Common Stock · 56 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000945 · form4.xml · nonDerivative · entry 1

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 889

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-000948 · form4.xml · derivative · entry 5

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,197

Underlying: Common Stock · 57 shares

Expires not disclosed

F2 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F5 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F5 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000948 · form4.xml · derivative · entry 4

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,254

Underlying: Common Stock · 57 shares

Expires not disclosed

F5 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F5 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000948 · form4.xml · nonDerivative · entry 2

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,188

F2 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F3 · balance_after: Also reflects the 9,552 shares distributed to the reporting person from the 2019 GRAT described in footnote 4.

SEC source: 0001127602-23-000944 · form4.xml · derivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,219

Underlying: Common Stock · 67 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000937 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 44 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.