<SEC-DOCUMENT>0000890564-17-000010-index.html : 20170105
<SEC-HEADER>0000890564-17-000010.hdr.sgml : 20170105
<ACCEPTANCE-DATETIME>20170105190602
ACCESSION NUMBER:		0000890564-17-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170102
FILED AS OF DATE:		20170105
DATE AS OF CHANGE:		20170105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ON ASSIGNMENT INC
		CENTRAL INDEX KEY:			0000890564
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				954023433
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
		BUSINESS PHONE:		8188787900

	MAIL ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hanson Theodore S.
		CENTRAL INDEX KEY:			0001550337

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35636
		FILM NUMBER:		17512447

	MAIL ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_148366114835963.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_148366114835963.html

Document 1 - RAW XML: wf-form4_148366114835963.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>hansonsection16poa101916.htm
<DESCRIPTION>THEODORE S HANSON, EXHIBIT 24 UPDATE
<TEXT>
Document 2 - file: hansonsection16poa101916.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>hansonsection16poa101916001.jpg
<DESCRIPTION>THEODORE S HANSON, EXHIBIT 24 UPDATE
<TEXT>
Document 3 - file: hansonsection16poa101916001.jpg

</DOCUMENT>
</SEC-DOCUMENT>