William O Grabe - 28 May 2026 Form 4 Insider Report for GARTNER INC (IT)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
01 Jun 2026, 16:28:28 UTC
Prior SEC filing
03 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Kevin Tang for William O. Grabe

Key filing fact

William O Grabe filed Form 4 for GARTNER INC (IT) on 01 Jun 2026.

Key facts

  • This page summarizes William O Grabe's Form 4 filing for GARTNER INC (IT).
  • 3 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 01 Jun 2026, 16:28.

Change

  • Previous filing in this sequence was filed on 03 Apr 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
01 Jun 2026

Reported non-derivative transactions

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

IT transaction

Common Stock

Options Exercise

Transaction value
Shares
+551
Change %
+112%
Price
$0.000000*
Shares after
1,042
Date
29 May 2026
Ownership
Direct
IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
47,900
Date
28 May 2026
Ownership
2025 GRAT
Footnotes
F1
IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
235
Date
28 May 2026
Ownership
Family Trust 1
IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
235
Date
28 May 2026
Ownership
Family Trust 2
IT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,410
Date
28 May 2026
Ownership
Family Trust 3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IT transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+1,489
Change %
Price
$0.000000*
Shares after
1,489
Date
28 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,489
Exercise price
$0.000000
Footnotes
F2
IT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-551
Change %
-100%
Price
$0.000000*
Shares after
0
Date
29 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
551
Exercise price
$0.000000
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote 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.

Footnote F3

One hundred percent (100%) of the RSUs shall vest on May 29, 2026, subject to Grantee's continued service as a director through such date.

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