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GARTNER INC

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Tapewire entity
465
SEC CIK
0000749251
Parsed reports
1,541

Last 12 months

Inside the activity.

8 purchase rows · 7 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202572
Jan 202600
Feb 202610
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202605
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
July 01, 2026 Filed Jul 6, 2026 20:11 UTC
CESAN RAUL EDirector
GrantCommon Stock Equivalents (CSE) · Derivative 187 $133.76 Strike: $0.00 $25,013.12
Disclosure

SEC source: 0000749251-26-000230 · form4.xml · derivative · entry 4

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 187 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.

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July 01, 2026 Filed Jul 6, 2026 20:11 UTC
CESAN RAUL EDirector
OtherCommon Stock 187 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000230 · form4.xml · nonDerivative · entry 1

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,083

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

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:12 UTC OtherCommon Stock Equivalents (CSE) · Derivative 201 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000232 · form4.xml · derivative · entry 3

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81

Underlying: Common Stock · 201 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:12 UTC GrantCommon Stock Equivalents (CSE) · Derivative 201 $133.76 Strike: $0.00 $26,885.76
Disclosure

SEC source: 0000749251-26-000232 · form4.xml · derivative · entry 2

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 282

Underlying: Common Stock · 201 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:12 UTC OtherCommon Stock 201 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000232 · form4.xml · nonDerivative · entry 1

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,807

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

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:10 UTC GrantCommon Stock Equivalents (CSE) · Derivative 196 $133.76 Strike: $0.00 $26,216.96
Disclosure

SEC source: 0000749251-26-000229 · form4.xml · derivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,559

Underlying: Common Stock · 196 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:09 UTC GrantCommon Stock Equivalents (CSE) · Derivative 196 $133.76 Strike: $0.00 $26,216.96
Disclosure

SEC source: 0000749251-26-000228 · form4.xml · derivative · entry 1

Bousa Edward Peter · CIK 0001452605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 313

Underlying: Common Stock · 196 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 20:08 UTC
Bisson PeterDirector
GrantCommon Stock Equivalents (CSE) · Derivative 196 $133.76 Strike: $0.00 $26,216.96
Disclosure

SEC source: 0000749251-26-000227 · form4.xml · derivative · entry 1

Bisson Peter · CIK 0001650029 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,053

Underlying: Common Stock · 196 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.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 20:10 UTC
Rinello John JEVP, Global Business Sales
Exercise / conversionRestricted Stock Units · Derivative 71 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000214 · form4.xml · derivative · entry 4

Rinello John J · CIK 0002053986 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71

Underlying: Common Stock · 71 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: 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 June 30, 2024. This represents the 2026 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 June 30, 2024. This represents the 2026 installment.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 20:10 UTC
Rinello John JEVP, Global Business Sales
Tax withholdingCommon Stock 22 $129.62 $2,851.64
Disclosure

SEC source: 0000749251-26-000214 · form4.xml · nonDerivative · entry 2

Rinello John J · CIK 0002053986 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,724

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

Read SEC document
June 30, 2026 Filed Jul 1, 2026 20:10 UTC
Rinello John JEVP, Global Business Sales
Exercise / conversionCommon Stock 71 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000214 · form4.xml · nonDerivative · entry 1

Rinello John J · CIK 0002053986 · EVP, Global Business Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,746

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 June 30, 2024. This represents the 2026 installment.

Read SEC document
June 08, 2026 Filed Jun 10, 2026 20:15 UTC
Serra EileenDirector
Exercise / conversionRestricted Stock Units · Derivative 1,744 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000212 · form4.xml · derivative · entry 3

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,744 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: One Hundred Percent (100%) of the RSUs vested on June 8, 2021. The Reporting Person elected to defer the release of the underlying shares until the 5th anniversary of the original vesting date.

F1 · derivative.expiration_date: One Hundred Percent (100%) of the RSUs vested on June 8, 2021. The Reporting Person elected to defer the release of the underlying shares until the 5th anniversary of the original vesting date.

Read SEC document
June 08, 2026 Filed Jun 10, 2026 20:15 UTC
Serra EileenDirector
Exercise / conversionCommon Stock 1,744 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000212 · form4.xml · nonDerivative · entry 1

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,076

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.

Read SEC document
June 01, 2026 Filed Jun 3, 2026 20:15 UTC
Serra EileenDirector
Exercise / conversionRestricted Stock Units · Derivative 705 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000210 · form4.xml · derivative · entry 3

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 705 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: One Hundred Percent (100%) of the RSUs vested on June 1, 2024. The Reporting Person elected to defer the release of the underlying shares until the 2nd anniversary of the original vesting date.

F1 · derivative.expiration_date: One Hundred Percent (100%) of the RSUs vested on June 1, 2024. The Reporting Person elected to defer the release of the underlying shares until the 2nd anniversary of the original vesting date.

Read SEC document
June 01, 2026 Filed Jun 3, 2026 20:15 UTC
Serra EileenDirector
Exercise / conversionCommon Stock 705 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000210 · form4.xml · nonDerivative · entry 1

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,332

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:32 UTC
CESAN RAUL EDirector
Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000194 · form4.xml · derivative · entry 5

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:32 UTC
CESAN RAUL EDirector
Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000194 · form4.xml · nonDerivative · entry 1

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,896

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:28 UTC Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000191 · form4.xml · derivative · entry 7

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 shares

Expires not disclosed

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

F3 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 29, 2026, subject to Grantee's continued service as a director through such date.

F3 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 29, 2026, subject to Grantee's continued service as a director through such date.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:28 UTC Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000191 · form4.xml · nonDerivative · entry 1

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,042

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:30 UTC Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000192 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:30 UTC Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000192 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,415

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:24 UTC Exercise / conversionRestricted Stock Units · Derivative 507 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000189 · form4.xml · derivative · entry 3

Rus Daniela L · CIK 0001966644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 507 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:24 UTC Exercise / conversionCommon Stock 507 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000189 · form4.xml · nonDerivative · entry 1

Rus Daniela L · CIK 0001966644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 507

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:23 UTC Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000188 · form4.xml · derivative · entry 3

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:23 UTC Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000188 · form4.xml · nonDerivative · entry 1

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,839

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:21 UTC Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000187 · form4.xml · derivative · entry 3

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:21 UTC Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000187 · form4.xml · nonDerivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,551

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:19 UTC Exercise / conversionRestricted Stock Units · Derivative 507 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000185 · form4.xml · derivative · entry 3

Bousa Edward Peter · CIK 0001452605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 507 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: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:19 UTC Exercise / conversionCommon Stock 507 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000185 · form4.xml · nonDerivative · entry 1

Bousa Edward Peter · CIK 0001452605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 507

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.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:17 UTC Exercise / conversionRestricted Stock Units · Derivative 551 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000184 · form4.xml · derivative · entry 4

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 551 shares

Expires not disclosed

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

F3 · derivative.exercise_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

F3 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on May 29, 2026.

Read SEC document
May 29, 2026 Filed Jun 1, 2026 20:17 UTC Exercise / conversionCommon Stock 551 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000184 · form4.xml · nonDerivative · entry 1

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,857

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.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:42 UTC
Kranich Robin BEVP & CHRO
OtherCommon Stock 38 $154.09 $5,855.42
Disclosure

SEC source: 0000749251-26-000208 · form4.xml · nonDerivative · entry 1

Kranich Robin B · CIK 0001308381 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,636

F1 · shares: Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024), in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:40 UTC
Rupani AltafEVP, Chief Information Officer
OtherCommon Stock 23 $154.09 $3,544.07
Disclosure

SEC source: 0000749251-26-000206 · form4.xml · nonDerivative · entry 1

Rupani Altaf · CIK 0001998915 · EVP, Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,180

F1 · shares: Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024) in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:37 UTC
van Ham DickEVP, Global Technology Sales
OtherCommon Stock 38 $154.09 $5,855.42
Disclosure

SEC source: 0000749251-26-000204 · form4.xml · nonDerivative · entry 1

van Ham Dick · CIK 0002054503 · EVP, Global Technology Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 902

F1 · shares: Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024) in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:36 UTC
Safian CraigEVP & CFO
OtherCommon Stock 22 $154.09 $3,389.98
Disclosure

SEC source: 0000749251-26-000203 · form4.xml · nonDerivative · entry 1

Safian Craig · CIK 0001610073 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,072

F1 · shares: Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024) in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

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May 29, 2026 Filed Jun 2, 2026 20:34 UTC
HALL EUGENE ADirector · Chairman and CEO
OtherCommon Stock 38 $154.09 $5,855.42
Disclosure

SEC source: 0000749251-26-000202 · 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: 1,188,197

F1 · shares: Represents shares acquired under Gartner, Inc.'s 2011 Employee Stock Purchase Plan (as amended and restated effective May 1, 2024) in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

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May 28, 2026 Filed Jun 1, 2026 20:34 UTC
Serra EileenDirector
GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000195 · form4.xml · derivative · entry 1

Serra Eileen · CIK 0001721344 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:32 UTC
CESAN RAUL EDirector
GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000194 · form4.xml · derivative · entry 4

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:31 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000193 · form4.xml · derivative · entry 1

BRESSLER RICHARD J · CIK 0001200604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:28 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000191 · form4.xml · derivative · entry 6

GRABE WILLIAM O · CIK 0001185567 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:30 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000192 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:24 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000189 · form4.xml · derivative · entry 2

Rus Daniela L · CIK 0001966644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:26 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000190 · form4.xml · derivative · entry 1

FERGUSON DIANA SUE · CIK 0001275975 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 20:23 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000188 · form4.xml · derivative · entry 2

GUTIERREZ JOSE M · CIK 0001257702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 28, 2026 Filed Jun 1, 2026 20:20 UTC
Bisson PeterDirector
GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000186 · form4.xml · derivative · entry 1

Bisson Peter · CIK 0001650029 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 20:21 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000187 · form4.xml · derivative · entry 2

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 20:19 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000185 · form4.xml · derivative · entry 2

Bousa Edward Peter · CIK 0001452605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 20:17 UTC GrantRestricted Stock Units · Derivative 1,489 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000184 · form4.xml · derivative · entry 3

FUCHS ANNE SUTHERLAND · CIK 0001246335 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,489

Underlying: Common Stock · 1,489 shares

Expires not disclosed

F2 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

F2 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on May 28, 2027, subject to the Grantee's continued service as a director through such date.

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May 11, 2026 Filed May 13, 2026 20:31 UTC
CESAN RAUL EDirector
OtherCommon Stock 18,500 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000171 · form4.xml · nonDerivative · entry 4

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,345

F2 · shares: Reflects a transfer of 18,500 shares from Family Trust #2 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Exchange Act.

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May 11, 2026 Filed May 13, 2026 20:31 UTC
CESAN RAUL EDirector
OtherCommon Stock 18,500 $0.00 $0.00
Disclosure

SEC source: 0000749251-26-000171 · form4.xml · nonDerivative · entry 3

CESAN RAUL E · CIK 0001023201 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Family Trust #2

Disclosed balance after: 10,400

F2 · shares: Reflects a transfer of 18,500 shares from Family Trust #2 to the reporting person directly for no consideration. The reporting person believes that this transfer of shares constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Exchange Act.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.