GARTNER INC — Director's Dealing 2010

Feb 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2010-02-15

Reporting Person: WAERN PER ANDERS (SVP, Consulting)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-15	Common Stock	M	5824	—	Acquired	21180	Direct
2010-02-15	Common Stock	F	1920	$22.50	Disposed	19260	Direct
2010-02-15	Common Stock	M	915	—	Acquired	20175	Direct
2010-02-15	Common Stock	F	302	$22.50	Disposed	19873	Direct
2010-02-17	Common Stock	S	15969	$23.834	Disposed	3904	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-15	Restricted Stock Units	$0	M	5824	Disposed		Common Stock (5824)	Direct
2010-02-15	Restricted Stock Units	$0	M	915	Disposed		Common Stock (915)	Direct

Footnotes

F1: Represents shares acquired upon release of restricted stock units.

F2: Represents shares withheld from the released restricted stock units for the payment of applicable income and payroll withholding taxes due on release.

F3: These performance-based RSUs vest in four substantially equal annual installments, beginning on 2/15/2009.

F4: These RSUs vest in four substantially equal annual installments, beginning on 2/15/2008.

F5: This transaction was executed in multiple trades at prices ranging from $23.8000 to $22.8412. 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