<SEC-DOCUMENT>0000807863-23-000087-index.html : 20230919
<SEC-HEADER>0000807863-23-000087.hdr.sgml : 20230919
<ACCEPTANCE-DATETIME>20230919162632
ACCESSION NUMBER:		0000807863-23-000087
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20230919
DATE AS OF CHANGE:		20230919

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MITEK SYSTEMS INC
		CENTRAL INDEX KEY:			0000807863
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				870418827
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35231
		FILM NUMBER:		231264168

	BUSINESS ADDRESS:	
		STREET 1:		600 B STREET
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92101
		BUSINESS PHONE:		619-269-6800

	MAIL ADDRESS:	
		STREET 1:		600 B STREET
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92101
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>mitk-proxysupplementx91923.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: mitk-proxysupplementx91923.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>mitk-pcxrevisedfinala.jpg
<TEXT>
Document 2 - file: mitk-pcxrevisedfinala.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>mitk-pcxrevisedfinalp2a.jpg
<TEXT>
Document 3 - file: mitk-pcxrevisedfinalp2a.jpg

</DOCUMENT>
</SEC-DOCUMENT>