GARTNER INC — Director's Dealing 2011

Feb 17, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GARTNER INC (IT)
CIK: 0000749251
Period of Report: 2011-02-15

Reporting Person: Sondergaard Peter (SVP, Research)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-15	Common Stock	M	8007	—	Acquired	88973	Direct
2011-02-15	Common Stock	F	3440	$37.22	Disposed	85533	Direct
2011-02-15	Common Stock	M	5823	—	Acquired	91356	Direct
2011-02-15	Common Stock	F	2501	$37.22	Disposed	88855	Direct
2011-02-15	Common Stock	M	858	—	Acquired	14723	Indirect
2011-02-15	Common Stock	F	270	$37.22	Disposed	14453	Indirect
2011-02-15	Common Stock	M	1381	—	Acquired	15834	Indirect
2011-02-15	Common Stock	F	435	$37.22	Disposed	15399	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-15	Restricted Stock Units	$0	M	8007	Disposed		Common Stock (8007)	Direct
2011-02-15	Restricted Stock Units	$0	M	5823	Disposed		Common Stock (5823)	Direct
2011-02-15	Restricted Stock Units	$0	M	858	Disposed		Common Stock (858)	Indirect
2011-02-15	Restricted Stock Units	$0	M	1381	Disposed		Common Stock (1381)	Indirect

Footnotes

F1: These performance-based RSUs have fully vested and released.

F2: Represents shares acquired upon the release of RSUs.

F3: Represents shares withheld from the released RSUs for the payment of applicable income and payroll withholding taxes due on release.

F4: These performance-based RSUs vest in four substantially equal annual installments, beginning on 2/15/2009.

F5: These RSUs have fully vested and released.

F6: Mr. Sondergaard disclaims beneficial ownership of these RSUs.

F7: These RSUs vest in four substantially equal annual installments, beginning on 2/15/2009.