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: Sondergaard Peter (SVP, Research)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-15	Common Stock	M	5824	—	Acquired	65668	Direct
2010-02-15	Common Stock	F	1920	$22.50	Disposed	63748	Direct
2010-02-15	Common Stock	M	8007	—	Acquired	71755	Direct
2010-02-15	Common Stock	F	2639	$22.50	Disposed	69116	Direct
2010-02-15	Common Stock	M	1381	—	Acquired	6046	Indirect
2010-02-15	Common Stock	F	471	$22.50	Disposed	5575	Indirect
2010-02-15	Common Stock	M	858	—	Acquired	6433	Indirect
2010-02-15	Common Stock	F	324	$22.50	Disposed	6109	Indirect

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	8007	Disposed		Common Stock (8007)	Direct
2010-02-15	Restricted Stock Units	$0	M	1381	Disposed		Common Stock (1381)	Indirect
2010-02-15	Restricted Stock Units	$0	M	858	Disposed		Common Stock (858)	Indirect

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: The RSU vests in four annual installments beginning 02/15/2009

F5: These performance-based RSUs vest in four substantially equal annual installments, beginning on 2/15/2008.

F6: The RSU vests in four annual installments beginning 02/15/2008.