ASGN Inc — Director's Dealing 2011

Feb 9, 2011

SEC Form 4/A — Form 4/A

Issuer: ON ASSIGNMENT INC (ASGN)
CIK: 0000890564
Period of Report: 2011-01-22

Reporting Person: Gibson Christina (V.P., Finance and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-22	Common Stock	D	1415	$7.29	Disposed	7035	Direct

Footnotes

F1: Executive officer elected to satisfy tax withholding obligations upon vesting by having On Assignment, Inc. withhold a number of vested shares equal to that of the employee's tax liability.

F2: The purpose of this amendment is to correct the cost basis; Originally reported as $7.29. The correct cost basis is $7.92.