Gartner (IT) 4: FUCHS ANNE SUTHERLAND bought 87 shares of Common Stock at $… (Apr 3, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: GARTNER INC (IT) CIK: 0000749251 --- Reporting Owner --- Name: FUCHS ANNE SUTHERLAND CIK: 0001246335 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-04-01 | Code: J (Other acquisition/disposition) Shares: +87 | Price: $0.00 Shares Owned After: 8,306 | Ownership: D (Direct) Footnotes: [F1] This reporting person has elected to receive an immediate distribution of the CSE shares. --- Derivative Transactions --- [Transaction #1] Security: Common Stock Equivalent (CSE) Date: 2026-04-01 | Code: A (Grant or award) Shares: +87 | Price: $154.79 Shares Owned After: 29,664 | Ownership: D (Direct) Footnotes: [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. [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. [Transaction #2] Security: Common Stock Equivalent (CSE) Date: 2026-04-01 | Code: J (Other acquisition/disposition) Shares: -87 | Price: $0.00 Shares Owned After: 29,577 | Ownership: D (Direct) Footnotes: [F1] This reporting person has elected to receive an immediate distribution of the CSE shares. [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. [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. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [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. --- Footnotes (Complete Index) --- 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 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. 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. --- Signature --- /s/ /s/ Kevin Tang for Anne Sutherland Fuchs (2026-04-03)