<SEC-DOCUMENT>0000936753-17-000135-index.html : 20170510
<SEC-HEADER>0000936753-17-000135.hdr.sgml : 20170510
<ACCEPTANCE-DATETIME>20170510151835
ACCESSION NUMBER:		0000936753-17-000135
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170510
DATE AS OF CHANGE:		20170510

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERCEPTRON INC/MI
		CENTRAL INDEX KEY:			0000887226
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				382381442
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-42724
		FILM NUMBER:		17829930

	BUSINESS ADDRESS:	
		STREET 1:		47827 HALYARD DRIVE
		CITY:			PLYMOUTH
		STATE:			MI
		ZIP:			48170-2461
		BUSINESS PHONE:		3134144816

	MAIL ADDRESS:	
		STREET 1:		47827 HALYARD DRIVE
		CITY:			PLYMOUTH
		STATE:			MI
		ZIP:			48170-2461

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIEL INVESTMENTS, LLC
		CENTRAL INDEX KEY:			0000936753
		IRS NUMBER:				020712418
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		(312) 726-0140

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20040218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	19950202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>prcp.txt
<DESCRIPTION>SC13GA PRCP APR17
<TEXT>
Document 1 - file: prcp.txt

</DOCUMENT>
</SEC-DOCUMENT>