Gartner (IT) 4: Rus Daniela L bought 126 shares at $192.80 on 2026-10-01 (Oct 5, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: GARTNER INC (IT) CIK: 0000749251 --- Reporting Owner --- Name: Rus Daniela L CIK: 0001966644 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Common Stock Equivalents (CSE) Date: 2026-10-01 | Code: A (Grant or award) Shares: +126 | Price: $192.80 Exercise Price: $0.00 Shares Owned After: 416 | Ownership: D (Direct) Footnotes: [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. [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. --- Footnotes (Complete Index) --- 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. --- Signature --- /s/ /s/ Kevin Tang for Daniela L. Rus (2026-10-05)