Gartner (IT) 4: FUCHS ANNE SUTHERLAND bought 551 shares of Common Stock at… (Jun 1, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-28 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: 2026-05-29 | Code: M (Exercise of derivative) Shares: +551 | Price: $0.00 Shares Owned After: 8,857 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-05-28 | Code: A (Grant or award) Shares: +1,489 | Price: $0.00 Shares Owned After: 1,489 | Ownership: D (Direct) Footnotes: [F2] 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] 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. [Transaction #2] Security: Restricted Stock Units Date: 2026-05-29 | Code: M (Exercise of derivative) Shares: -551 | Price: $0.00 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F3] One hundred percent (100%) of the RSUs vested on May 29, 2026. [F3] One hundred percent (100%) of the RSUs vested on May 29, 2026. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F1] 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: 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. F2: 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. F3: One hundred percent (100%) of the RSUs vested on May 29, 2026. --- Signature --- /s/ /s/ Kevin Tang for Anne Sutherland Fuchs (2026-06-01)