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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>SEC FORM 
            4</title><style type="text/css">
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      </style></head><body>SEC Form 4 
   <table width="100%" border="0" cellspacing="0" cellpadding="4"><tr><td width="20%" colspan="2" valign="top" align="center" class="FormName">FORM 4</td><td rowspan="2" width="60%" valign="middle" align="center"><span class="FormTitle">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</span><br><span class="MedSmallFormText">Washington, D.C. 20549</span><br><br><span class="FormTitle">STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP</span><br><br><span class="MedSmallFormText">Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934</span><br><span class="MedSmallFormText">or Section 30(h) of the Investment Company Act of 1940</span></td><td rowspan="2" width="20%" valign="top" align="center"><table width="100%" border="1" summary="OMB Approval Status Box"><tr><td class="FormTextC">OMB APPROVAL</td></tr><tr><td><table width="100%" border="0" summary="OMB Interior Box"><tr><td class="SmallFormText" colspan="3">OMB Number:</td><td class="SmallFormTextR">3235-0287</td></tr><tr><td class="SmallFormText" colspan="4">Estimated average burden</td></tr><tr><td class="SmallFormText" colspan="3">hours per response:</td><td class="SmallFormTextR">0.5</td></tr></table></td></tr></table></td></tr><tr valign="middle"><td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td><td class="SmallFormText">Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 
         <i>See</i>

         Instruction 1(b).</td></tr><tr valign="middle"><td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td><td class="SmallFormText">Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. </td></tr></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><tr><td rowspan="4" width="35%" valign="top"><span class="MedSmallFormText">1. Name and Address of Reporting Person<sup>*</sup></span><table border="0" width="100%"><tr><td><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001854399">Gafke Garrett</a></td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" class="MedSmallFormText">(Last)</td><td width="33%" class="MedSmallFormText">(First)</td><td width="33%" class="MedSmallFormText">(Middle)</td></tr></table><table border="0" width="100%"><tr><td><span class="FormData">770 FIRST AVENUE</span></td></tr><tr><td><span class="FormData">SUITE 425</span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Street)</span><table border="0" width="100%"><tr><td width="33%"><span class="FormData">SAN DIEGO</span></td><td width="33%"><span class="FormData">
				CALIFORNIA
			</span></td><td width="33%"><span class="FormData">92101</span></td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" class="MedSmallFormText">(City)</td><td width="33%" class="MedSmallFormText">(State)</td><td width="33%" class="MedSmallFormText">(Zip)</td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" colspen="3"><span class="FormData">UNITED STATES</span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Country)</span></td><td width="35%" valign="top"><span class="MedSmallFormText">2. Issuer Name <b>and</b> Ticker or Trading Symbol
      </span><br><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0000807863">MITEK SYSTEMS INC</a>
     [ <span class="FormData">MITK</span> ]
   </td><td rowspan="2" valign="top"><span class="MedSmallFormText">5. Relationship of Reporting Person(s) to Issuer
      </span><br><span class="MedSmallFormText">(Check all applicable)</span><table border="0" width="100%"><tr><td width="15%" align="center"></td><td width="35%" class="MedSmallFormText">Director</td><td width="15%" align="center"></td><td width="35%" class="MedSmallFormText">10% Owner</td></tr><tr><td align="center"><span class="FormData">X</span></td><td class="MedSmallFormText">Officer (give title below)</td><td align="center"></td><td class="MedSmallFormText">Other (specify below)</td></tr><tr><td width="15%" align="center"></td><td width="35%" align="left" style="color: blue">Chief Operating Officer</td><td width="15%" align="center"></td><td width="35%" align="left" style="color: blue"></td></tr></table></td></tr><tr><td valign="top"><span class="MedSmallFormText">2a. Foreign Trading Symbol
		 <br></span></td></tr><tr><td valign="top"><span class="MedSmallFormText">3. Date of Earliest Transaction
         (Month/Day/Year)</span><br><span class="FormData">05/15/2026</span></td><td valign="top" rowspan="2"><span class="MedSmallFormText">6. Individual or Joint/Group Filing (Check Applicable Line)
      </span><table border="0" width="100%"><tr><td width="15%" align="center"><span class="FormData">X</span></td><td width="85%" class="MedSmallFormText">Form filed by One Reporting Person</td></tr><tr><td width="15%" align="center"></td><td width="85%" class="MedSmallFormText">Form filed by More than One Reporting Person</td></tr></table></td></tr><tr><td valign="top" rowspan="1"><span class="MedSmallFormText">4. If Amendment, Date of Original Filed
         (Month/Day/Year)</span><br><br></td></tr></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><thead><tr><th width="100%" valign="top" colspan="11" align="center" class="FormTextC"><b>Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned</b></th></tr><tr><th width="36%" valign="top" rowspan="2" align="left" class="MedSmallFormText">1. Title of Security (Instr. 
      3)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Transaction Date
      (Month/Day/Year)</th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2A. Deemed Execution Date, if any
      (Month/Day/Year)</th><th width="7%" valign="top" colspan="2" align="left" class="SmallFormText">3. Transaction Code (Instr. 
      8)
   </th><th width="19%" valign="top" colspan="3" align="left" class="SmallFormText">4. Securities Acquired (A) or Disposed Of (D) (Instr. 
      3, 4 and 5)
   </th><th width="11%" valign="top" rowspan="2" align="left" class="SmallFormText">5. 
      Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      3 and 4)
   </th><th width="9%" valign="top" rowspan="2" align="left" class="SmallFormText">6. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th><th width="8%" valign="top" rowspan="2" align="left" class="SmallFormText">7. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th></tr><tr><th width="4%" align="center" class="SmallFormText">Code</th><th width="3%" align="center" class="SmallFormText">V</th><th width="8%" align="center" class="SmallFormText">Amount</th><th width="5%" align="center" class="SmallFormText">(A) or (D)</th><th width="6%" align="center" class="SmallFormText">Price</th></tr></thead><tbody><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">05/15/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">21,108</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">14.19</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"><span class="FormData">244,279</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr></tbody></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><thead><tr><th width="100%" valign="top" colspan="16" align="center" class="FormTextC"><b>Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned</b><br><b>(e.g., puts, calls, warrants, options, convertible securities)</b></th></tr><tr><th width="13%" valign="top" rowspan="2" align="left" class="SmallFormText">1. Title of Derivative Security (Instr. 
      3)
   </th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Conversion or Exercise Price of Derivative Security
   </th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3. Transaction Date
      (Month/Day/Year)</th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3A. Deemed Execution Date, if any
      (Month/Day/Year)</th><th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">4. Transaction Code (Instr. 
      8)
   </th><th width="10%" valign="top" colspan="2" align="left" class="SmallFormText">5. 
      Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 
      3, 4 and 5)
   </th><th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">6. Date Exercisable and Expiration Date 
      (Month/Day/Year)</th><th width="17%" valign="top" colspan="2" align="left" class="SmallFormText">7. Title and Amount of Securities Underlying Derivative Security (Instr. 
      3 and 4)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">8. Price of Derivative Security (Instr. 
      5)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">9. 
      Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      4)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">10. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th><th width="7%" valign="top" rowspan="2" align="left" class="SmallFormText">11. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th></tr><tr><th width="4%" valign="bottom" align="center" class="SmallFormText">Code</th><th width="4%" valign="bottom" align="center" class="SmallFormText">V</th><th width="5%" valign="bottom" align="center" class="SmallFormText">(A)</th><th width="5%" valign="bottom" align="center" class="SmallFormText">(D)</th><th width="5%" valign="bottom" align="center" class="SmallFormText">Date Exercisable</th><th width="4%" valign="bottom" align="center" class="SmallFormText">Expiration Date</th><th width="10%" valign="bottom" align="center" class="SmallFormText">Title</th><th width="7%" valign="bottom" align="center" class="SmallFormText">Amount or Number of Shares</th></tr></thead><tbody><tr><td align="left"><span class="SmallFormData">Performance Restricted Stock Units</span></td><td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"><span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span></td><td align="center"><span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span></td><td align="center"><span class="SmallFormData">Common Stock</span></td><td align="center"><span class="FormData">412,403</span></td><td align="center"></td><td align="center"><span class="SmallFormData">412,403</span></td><td align="center"><span class="SmallFormData">D</span></td><td align="left"></td></tr></tbody></table><table border="0" width="100%"><tr><td class="MedSmallFormText"><b>Explanation of Responses:</b></td></tr><tr><td class="FootnoteData">1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.94 - $14.66, inclusive. The reporting person undertakes to provide to Mitek Systems, Inc., any security holder of Mitek Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.</td></tr><tr><td class="FootnoteData">2. Represented performance restricted stock previously granted, which vest based upon the achievement of certain performance criteria over three years following the grant dates. The performance criteria for each performance period is for the % increase in value of Mitek's common stock to meet or exceed the % increase in value of the Russell 2000 Index over the applicable Performance Period, based on a hypothetical investment in both Mitek's common stock and the Russell 2000 Index. At the end of the applicable Performance Period, the value of the hypothetical investments is determined by assuming the sale of each. The % change is determined by comparing the increase in value to the starting investment.</td></tr><tr><td class="FormText"><b>Remarks:</b></td></tr><tr><td class="FootnoteData"></td></tr></table><table width="100%" border="0"><tr><td width="60%"></td><td width="20%"><u><span class="FormData">/s/ Eric Bell, by Power of Attorney</span></u></td><td width="20%"><u><span class="FormData">05/15/2026</span></u></td></tr><tr><td></td><td class="MedSmallFormText">** Signature of Reporting Person</td><td class="MedSmallFormText">Date</td></tr><tr><td colspan="3" class="MedSmallFormText">Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.</td></tr><tr><td colspan="3" class="MedSmallFormText">* If the form is filed by more than one reporting person, 
                  <i>see</i>

                  Instruction 
                  4

                  (b)(v).</td></tr><tr><td colspan="3" class="MedSmallFormText">** Intentional misstatements or omissions of facts constitute Federal Criminal Violations 
                  <i>See</i>

                  18 U.S.C. 1001 and 15 U.S.C. 78ff(a).</td></tr><tr><td colspan="3" class="MedSmallFormText">Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, 
                  <i>see</i>

                  Instruction 6 for procedure.</td></tr><tr><td colspan="3" class="MedSmallFormText"><b>Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.</b></td></tr><tr><td colspan="3" class="MedSmallFormText"><b>* Form 4: SEC 1474 (03-26)</b></td></tr></table></body></html>
