FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Diliberto Michael Patrick
2. Issuer Name and Ticker or Trading Symbol

GARTNER INC [ IT ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP, Chief Information Officer
(Last)          (First)          (Middle)

56 TOP GALLANT RD
3. Date of Earliest Transaction (MM/DD/YYYY)

5/31/2020
(Street)

STAMFORD, CT 06904
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 5/31/2020  M  2214 (1)A$0 17059 D  
Common Stock 5/31/2020  F  1026 (2)D$121.70 16033 D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units $0 5/31/2020  M     2214 (1)  (1) (1)Common Stock 2214 $0 0 D  

Explanation of Responses:
(1) Represents shares acquired upon release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments, commencing May 31, 2017. This represents the 2020 installment.
(2) Represents shares withheld for the payment of applicable income and payroll withholding taxes.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Diliberto Michael Patrick
56 TOP GALLANT RD
STAMFORD, CT 06904


EVP, Chief Information Officer

Signatures
/s/ Kevin Tang for Michael Diliberto6/2/2020
**Signature of Reporting PersonDate

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