GARTNER INC (IT) Insider Transactions

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 On June 13, 2024, the reporting person established a grantor retained annuity trust with an independent trustee (the "2024 GRAT"). The reported shares represent an annual annuity payment from the 2024 GRAT to the reporting person.

F2 These shares are held in a grantor retained annuity trust created on August 22, 2025 (the "2025 GRAT"). These shares are held in trust for the benefit of the reporting person and his children. The reporting person is the Trustee of the 2025 GRAT.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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).

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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).

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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).

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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).

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

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Reported filing row; may be amended. Do not sum filings blindly.

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Reported filing row; may be amended. Do not sum filings blindly.

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Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction was executed in multiple trades at prices ranging from $184.3000 to $184.3450. 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.

F2 These shares are held in a grantor retained annuity trust created on June 4, 2024 when the reporting person transferred 4,644 Gartner shares to the trust (the "2024 GRAT"). These shares are held in trust for the benefit of the reporting person and her children. The reporting person is the Trustee of the 2024 GRAT.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

References:

Reported filing row; may be amended. Do not sum filings blindly.

F1 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F1, F2

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F2

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F1, F2

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F2

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 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.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 These shares are held in a grantor retained annuity trust created on August 22, 2025 (the "2025 GRAT"). These shares are held in trust for the benefit of the reporting person and his children. The reporting person is the Trustee of the 2025 GRAT.

F3 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.

References: F1, F3

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 These shares are held in a grantor retained annuity trust created on August 22, 2025 (the "2025 GRAT"). These shares are held in trust for the benefit of the reporting person and his children. The reporting person is the Trustee of the 2025 GRAT.

F3 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.

References: F3

Reported filing row; may be amended. Do not sum filings blindly.

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

F2 These shares are held in a grantor retained annuity trust created on August 22, 2025 (the "2025 GRAT"). These shares are held in trust for the benefit of the reporting person and his children. The reporting person is the Trustee of the 2025 GRAT.

F3 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.

References: F1