SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Christopher Alister (Last) (First) (Middle) 56 TOP GALLANT RD P.O. BOX 10212 (Street) STAMFORD CT 06904-2212 (City) (State) (Zip)	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) SVP, Gartner Events
	3. Date of Earliest Transaction (Month/Day/Year) 02/13/2007
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	02/13/2007		M		1,000	A	$1	1,000	D
Common Stock	02/13/2007		M		5,146	A	$19.285	6,146	D
Common Stock	02/13/2007		M		50,000	A	$10.313	56,146	D
Common Stock	02/13/2007		M		1,650	A	$19.896	57,796	D
Common Stock	02/13/2007		M		5,031	A	$18.601	62,827	D
Common Stock	02/13/2007		S		1,000	D	$21.9774	61,827	D
Common Stock	02/13/2007		S		50,000	D	$21.9774	11,827	D
Common Stock	02/13/2007		S		1,650	D	$21.9774	10,177	D
Common Stock	02/13/2007		S		5,031	D	$21.9774	5,146	D
Common Stock	02/13/2007		S		5,146	D	$21.9774	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. 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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non Qualified Stock Option (Right to Buy)	$1	02/13/2007		M			1,000	01/28/2000(1)	01/28/2008	Common Stock	1,000	$0	0	D
Non Qualified Stock Option (Right to Buy)	$19.285	02/13/2007		M			5,146	12/15/1999(2)	12/15/2008	Common Stock	5,146	$0	0	D
Non Qualified Stock Option (Right to Buy)	$10.313	02/13/2007		M			50,000	11/09/2000(2)	11/09/2009	Common Stock	50,000	$0	0	D
Non Qualified Stock Option (Right to Buy)	$19.896	02/13/2007		M			1,650	04/07/1998(2)	04/06/2007	Common Stock	1,650	$0	0	D
Non Qualified Stock Option (Right to Buy)	$18.601	02/13/2007		M			5,031	10/13/1999(2)	10/13/2008	Common Stock	5,031	$0	0	D

Explanation of Responses:

1. The option becomes exercisable in six substantially equal annual installments commencing one year after the date of grant, 01/28/99.

2. This option is fully exercisable.

	/s/ Kevin Feeney for Alister Christopher	02/14/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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