IT

SEC source: 0001127602-17-026986 · form4.xml · nonDerivative · entry 1

Kranich Robin B · CIK 0001308381 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,298

F1 · shares: Represents shares acquired under Gartner Inc.'s 2011 Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

SEC source: 0001127602-17-026985 · form4.xml · nonDerivative · entry 1

Safian Craig · CIK 0001610073 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,004

F1 · shares: Represents shares acquired under Gartner Inc.'s 2011 Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

SEC source: 0001127602-17-026984 · form4.xml · nonDerivative · entry 1

HALL EUGENE A · CIK 0001198849 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,173,729

F1 · shares: Represents shares acquired under Gartner Inc.'s 2011 Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

SEC source: 0001127602-17-026982 · form4.xml · nonDerivative · entry 1

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,750

F1 · shares: Represents shares acquired under Gartner Inc.'s 2011 Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

SEC source: 0001127602-17-026542 · form4.xml · nonDerivative · entry 2

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,895

F2 · price: This transaction was executed in multiple trades at prices ranging from $118.90 to $118.97. The price 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: 0001127602-17-026542 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,395

F1 · price: This transaction was executed in multiple trades at prices ranging from $118.90 to $118.9350. The price 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: 0001127602-17-026412 · form4.xml · nonDerivative · entry 1

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,699

SEC source: 0001127602-17-026048 · form4.xml · nonDerivative · entry 3

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,699

SEC source: 0001127602-17-026048 · form4.xml · nonDerivative · entry 2

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,699

SEC source: 0001127602-17-026048 · form4.xml · nonDerivative · entry 1

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,137

SEC source: 0001127602-17-025936 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,895

F1 · price: This transaction was executed in multiple trades at prices ranging from $117.00 to $117.24. The price 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: 0001127602-17-025573 · form4.xml · derivative · entry 1

Sondergaard Peter · CIK 0001308300 · SVP, Research

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025576 · form4.xml · derivative · entry 1

Christopher MR Thomas · CIK 0001575469 · SVP, Business Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025572 · form4.xml · derivative · entry 1

Safian Craig · CIK 0001610073 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,921

Underlying: Common Stock · 1,921 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025569 · form4.xml · derivative · entry 1

McVeigh David K · CIK 0001458011 · SVP, New Market Programs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025561 · form4.xml · derivative · entry 1

GODFREY DAVID · CIK 0001491224 · SVP Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025565 · form4.xml · derivative · entry 1

Kranich Robin B · CIK 0001308381 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025554 · form4.xml · derivative · entry 1

Diliberto Michael Fox · CIK 0001680446 · SVP, Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,280

Underlying: Common Stock · 1,280 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025550 · form4.xml · derivative · entry 2

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-025550 · form4.xml · nonDerivative · entry 1

Dawkins Alwyn · CIK 0001439796 · SVP, Events

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,137

SEC source: 0001127602-17-025547 · form4.xml · derivative · entry 1

Davis Kendall B · CIK 0001339793 · SVP, Bus IT Ldrs Prod & Svcs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,494

Underlying: Common Stock · 1,494 shares

Expires not disclosed

F1 · derivative.exercise_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal installments on August 10, 2018, 2019, 2020 and 2021.

SEC source: 0001127602-17-023283 · 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 · 121 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023283 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,789

Underlying: Common Stock · 121 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023283 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,657

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

SEC source: 0001127602-17-023282 · form4.xml · derivative · entry 3

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,197

Underlying: Common Stock · 156 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023282 · form4.xml · derivative · entry 2

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,353

Underlying: Common Stock · 156 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023282 · form4.xml · nonDerivative · entry 1

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,627

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

SEC source: 0001127602-17-023281 · 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 · 93 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023281 · form4.xml · derivative · entry 2

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,670

Underlying: Common Stock · 93 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023281 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,895

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

SEC source: 0001127602-17-023280 · form4.xml · derivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,825

Underlying: Common Stock · 76 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023279 · form4.xml · derivative · entry 3

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,063

Underlying: Common Stock · 141 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023279 · form4.xml · derivative · entry 2

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,204

Underlying: Common Stock · 141 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023279 · form4.xml · nonDerivative · entry 1

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,412

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

SEC source: 0001127602-17-023278 · form4.xml · derivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,172

Underlying: Common Stock · 181 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023276 · form4.xml · derivative · entry 1

Bisson Peter · CIK 0001650029 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 583

Underlying: Common Stock · 126 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023275 · form4.xml · derivative · entry 3

Bingle Michael J · CIK 0001306831 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,067

Underlying: Common Stock · 151 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023275 · form4.xml · derivative · entry 2

Bingle Michael J · CIK 0001306831 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,218

Underlying: Common Stock · 151 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023275 · form4.xml · nonDerivative · entry 1

Bingle Michael J · CIK 0001306831 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,084

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

SEC source: 0001127602-17-023273 · 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 · 353 shares

Expires not disclosed

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

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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023273 · form4.xml · derivative · entry 2

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353

Underlying: Common Stock · 353 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as 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 Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, unless the director elects accelerated release as provided in the 2014 LTIP.

SEC source: 0001127602-17-023273 · form4.xml · nonDerivative · entry 1

SMITH JAMES C · CIK 0001183693 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 795,443

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

SEC source: 0001127602-17-021518 · form4.xml · derivative · entry 3

Safian Craig · CIK 0001610073 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,783

Underlying: Common Stock · 1,783 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.

F1 · derivative.exercise_date: These RSUs vest in four substantially equal annual installments, commencing on 06/13/2015.

F1 · derivative.expiration_date: These RSUs vest in four substantially equal annual installments, commencing on 06/13/2015.

SEC source: 0001127602-17-021518 · form4.xml · nonDerivative · entry 2

Safian Craig · CIK 0001610073 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,982

F2 · shares: Represents shares withheld from released RSUs for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001127602-17-021518 · form4.xml · nonDerivative · entry 1

Safian Craig · CIK 0001610073 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,902

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: 0001127602-17-020962 · form4.xml · nonDerivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,223

F1 · price: This transaction was executed in multiple trades at prices ranging from $120.6110 to $120.6200. 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: 0001127602-17-020552 · form4.xml · derivative · entry 5

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,659 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: These RSUs vested on June 2, 2012 and were released on June 2, 2017.

F2 · derivative.expiration_date: These RSUs vested on June 2, 2012 and were released on June 2, 2017.

SEC source: 0001127602-17-020552 · form4.xml · derivative · entry 4

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,825 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: These RSUs vested on June 2, 2012 and were released on June 2, 2017.

F2 · derivative.expiration_date: These RSUs vested on June 2, 2012 and were released on June 2, 2017.

SEC source: 0001127602-17-020552 · form4.xml · nonDerivative · entry 2

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,972

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: 0001127602-17-020552 · form4.xml · nonDerivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,313

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.