William O Grabe - 11 Sep 2026 Form 4 Insider Report for GARTNER INC (IT)

Reporting relationship: Director
Issuer ticker: IT
Reported as of: 11 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Sep 2026, 16:32:59 UTC
Prior SEC filing: 06 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Kevin Tang for William O. Grabe

Key filing fact

William O Grabe filed Form 4 for GARTNER INC (IT) on 15 Sep 2026.

Key facts

This page summarizes William O Grabe's Form 4 filing for GARTNER INC (IT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 Sep 2026, 16:32.

Change

Previous filing in this sequence was filed on 06 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001185567 Primary reporting owner

GRABE WILLIAM O

Relationship: Director
Address: 56 TOP GALLANT RD, P.O. BOX 10212, STAMFORD
Signature: /s/ Kevin Tang for William O. Grabe
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IT transaction

Common Stock

Gift

Transaction value
Shares: +672
Change %: +55%
Price: $0.000000^*
Shares after: 1,896
Date: 11 Sep 2026
Ownership: Direct
Footnotes: F1

IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 47,900
Date: 11 Sep 2026
Ownership: 2025 GRAT
Footnotes: F2

IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 235
Date: 11 Sep 2026
Ownership: Family Trust 1

IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 235
Date: 11 Sep 2026
Ownership: Family Trust 2

IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,410
Date: 11 Sep 2026
Ownership: Family Trust 3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote 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.