IT

SEC source: 0001127602-24-021506 · form4.xml · nonDerivative · entry 4

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,160

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 exercise of SARs.

SEC source: 0001127602-24-021506 · form4.xml · nonDerivative · entry 3

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,160

F3 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-021506 · form4.xml · nonDerivative · entry 2

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,974

F2 · shares: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

SEC source: 0001127602-24-021506 · form4.xml · nonDerivative · entry 1

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,740

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 exercise of SARs.

SEC source: 0001127602-24-021501 · form4.xml · derivative · entry 5

Dawkins Alwyn · CIK 0001439796 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,809 shares

Expires 2026-02-06

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.

F4 · derivative.exercise_date: These SARs are part of an award that became exercisable in four substantially equal annual installments, commencing on February 6, 2020, and are fully exercisable.

SEC source: 0001127602-24-021501 · form4.xml · nonDerivative · entry 4

Dawkins Alwyn · CIK 0001439796 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,650

SEC source: 0001127602-24-021501 · form4.xml · nonDerivative · entry 3

Dawkins Alwyn · CIK 0001439796 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,650

F3 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-021501 · form4.xml · nonDerivative · entry 2

Dawkins Alwyn · CIK 0001439796 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,095

F2 · shares: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

SEC source: 0001127602-24-021501 · form4.xml · nonDerivative · entry 1

Dawkins Alwyn · CIK 0001439796 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,606

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 exercise of SARs.

SEC source: 0001127602-24-021497 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,059

SEC source: 0001127602-24-021494 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,671

SEC source: 0001127602-24-021492 · form4.xml · nonDerivative · entry 1

Sribar Valentin · CIK 0001907594 · EVP, Research & Advisory

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,671

SEC source: 0001127602-24-021489 · form4.xml · nonDerivative · entry 1

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 589,218

SEC source: 0001127602-24-021486 · form4.xml · derivative · entry 4

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,550 shares

Expires 2026-02-06

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.

F4 · derivative.exercise_date: These SARs are part of an award that became exercisable in four substantially equal annual installments, commencing on February 6, 2020, and are fully exercisable.

SEC source: 0001127602-24-021486 · form4.xml · nonDerivative · entry 3

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,304

F3 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-021486 · form4.xml · nonDerivative · entry 2

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,122

F2 · shares: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

SEC source: 0001127602-24-021486 · form4.xml · nonDerivative · entry 1

Hensel Scott · CIK 0001674793 · EVP Global Services & Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,274

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 exercise of SARs.

SEC source: 0001127602-24-021483 · form4.xml · derivative · entry 4

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,613 shares

Expires 2027-02-05

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.

F4 · derivative.exercise_date: These SARs are part of an award that became exercisable in four substantially equal annual installments, commencing on February 5, 2021, and are fully exercisable.

SEC source: 0001127602-24-021483 · form4.xml · nonDerivative · entry 3

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,981

F3 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-021483 · form4.xml · nonDerivative · entry 2

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,425

F2 · shares: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

SEC source: 0001127602-24-021483 · form4.xml · nonDerivative · entry 1

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,001

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 exercise of SARs.

SEC source: 0001127602-24-021480 · form4.xml · derivative · entry 11

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 89,264 shares

Expires 2027-02-05

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.

F10 · derivative.exercise_date: These SARs are part of an award that became exercisable in four substantially equal annual installments, commencing on February 5, 2021, and are fully exercisable.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 10

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,177,449

F9 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 9

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,205,169

F8 · shares: Represents shares withheld that had an aggregate value, based on the market price on the date of exercise, substantially equal to the aggregate exercise price of the SARs.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 8

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,232,653

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.

F7 · shares: Represents shares acquired upon exercise of SARs.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 7

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,143,389

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 6

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,143,394

F6 · price: This transaction was executed in multiple trades at prices ranging from $507.29 to $507.62. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 5

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,143,694

F5 · price: This transaction was executed in multiple trades at prices ranging from $506.29 to $507.23. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 4

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,571

F4 · price: This transaction was executed in multiple trades at prices ranging from $505.26 to $506.12. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 3

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,148,760

F3 · price: This transaction was executed in multiple trades at prices ranging from $504.17 to $505.12. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 2

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,150,511

F2 · price: This transaction was executed in multiple trades at prices ranging from $503.07 to $503.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-021480 · form4.xml · nonDerivative · entry 1

HALL EUGENE A · CIK 0001198849 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,154,371

F1 · price: This transaction was executed in multiple trades at prices ranging from $502.06 to $503.05. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001127602-24-020523 · form4.xml · nonDerivative · entry 2

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,053

F1 · shares: Represents shares withheld for the payment of applicable income and payroll withholding taxes.

SEC source: 0001127602-24-020523 · form4.xml · derivative · entry 3

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 394 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.

F2 · 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 July 15, 2021. This represents the 2024 installment.

F2 · 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 July 15, 2021. This represents the 2024 installment.

SEC source: 0001127602-24-020523 · form4.xml · nonDerivative · entry 1

Herkes Claire · CIK 0001843712 · EVP, Conferences

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,236

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.

SEC source: 0001127602-24-020123 · form4.xml · derivative · entry 4

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,577

Underlying: Common Stock · 35 shares

Expires not disclosed

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

F3 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F3 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020123 · form4.xml · derivative · entry 3

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,612

Underlying: Common Stock · 35 shares

Expires not disclosed

F3 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F3 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020123 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,559

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

SEC source: 0001127602-24-020121 · form4.xml · derivative · entry 1

Bisson Peter · CIK 0001650029 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,245

Underlying: Common Stock · 55 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020119 · form4.xml · derivative · entry 3

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 144 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 ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020119 · form4.xml · derivative · entry 2

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144

Underlying: Common Stock · 144 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020119 · form4.xml · nonDerivative · entry 1

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 599,218

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

SEC source: 0001127602-24-020117 · form4.xml · derivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73

Underlying: Common Stock · 30 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: 0001127602-24-020115 · form4.xml · derivative · entry 3

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 226

Underlying: Common Stock · 30 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 ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020115 · form4.xml · derivative · entry 2

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 256

Underlying: Common Stock · 30 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020115 · form4.xml · nonDerivative · entry 1

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 991

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

SEC source: 0001127602-24-020113 · form4.xml · derivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,684

Underlying: Common Stock · 68 shares

Expires not disclosed

F1 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F1 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020111 · form4.xml · derivative · entry 3

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,197

Underlying: Common Stock · 61 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 ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020111 · form4.xml · derivative · entry 2

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,258

Underlying: Common Stock · 61 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("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 LTIP.

SEC source: 0001127602-24-020111 · form4.xml · nonDerivative · entry 1

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,792

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