GARTNER INC — Director's Dealing 2011

Mar 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2011-02-25

Reporting Person: HALL EUGENE A (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-25	Common Stock	M	4492	$12.11	Acquired	670435	Direct
2011-02-25	Common Stock	S	4492	$38.0747	Disposed	665943	Direct
2011-02-28	Common Stock	J	165	$35.834	Acquired	666108	Direct
2011-02-28	Common Stock	M	95508	$12.11	Acquired	761616	Direct
2011-02-28	Common Stock	S	95508	$37.5971	Disposed	666108	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-25	Non Qualified Stock Option (Right to Buy)	$12.11	M	4492	Disposed	2014-08-16	Common Stock (4492)	Direct
2011-02-28	Non Qualified Stock Option (Right to Buy)	$12.11	M	95508	Disposed	2014-08-16	Common Stock (95508)	Direct

Footnotes

F1: Represents shares acquired under Gartner Inc.'s 2002 Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c).

F2: This option is fully exercisable.

F3: This transaction was executed in multiple trades at prices ranging from $37.50 to $37.81. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4: This transaction was executed in multiple trades at prices ranging from $38.00 to $38.31. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.