IT Filing
4Filing Date: Jul 6, 2026

GARTNER INC (IT) · Insider Trading (Form 4) SEC Filing

Statement of Changes in Beneficial Ownership

descriptionView SEC Filing
ACC: 0000749251-26-000232open_in_new
Total Value$26.9K
Trades3
Insiders1

Transaction Details

FERGUSON DIANA SUE
Director·Direct
Other · Dispose
Common Stock Equivalents (CSE)Derivative
Shares-201
Price$0.00
Total Value$0
Shares Owned After81
Transaction DateJul 1, 2026
Footnotes ▸

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

FERGUSON DIANA SUE
Director·Direct
Grant · Acquire
Common Stock Equivalents (CSE)Derivative
Shares+201
Price$133.76
Total Value$26.9K
Shares Owned After282
Transaction DateJul 1, 2026
Footnotes ▸

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. | 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.

FERGUSON DIANA SUE
Director·Direct
Other · Acquire
Common Stock
Shares+201
Price$0.00
Total Value$0
Shares Owned After2.81K
Transaction DateJul 1, 2026
Footnotes ▸

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

Post-Transaction Holdings

FERGUSON DIANA SUE
SecuritySharesChange
Common Stock2.81K+201 (7.71%)
Common Stock Equivalents (CSE)81-
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: GARTNER INC (IT) CIK: 0000749251 --- Reporting Owner --- Name: FERGUSON DIANA SUE CIK: 0001275975 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-01 | Code: J (Other acquisition/disposition) Shares: +201 | Price: $0.00 Shares Owned After: 2,807 | 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 Equivalents (CSE) Date: 2026-07-01 | Code: A (Grant or award) Shares: +201 | Price: $133.76 Shares Owned After: 282 | Ownership: D (Direct) Footnotes: [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. [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. [Transaction #2] Security: Common Stock Equivalents (CSE) Date: 2026-07-01 | Code: J (Other acquisition/disposition) Shares: -201 | Price: $0.00 Shares Owned After: 81 | Ownership: D (Direct) Footnotes: [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. [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. --- Footnotes (Complete Index) --- 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. --- Signature --- /s/ /s/ Kevin Tang for Diana S. Ferguson (2026-07-06)

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