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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."}],"balance_after":703583,"source":{"system":"sec-edgar","filing":"0000807863-18-000101","document":"wf-form4_154283999374757.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/807863/000080786318000101/wf-form4_154283999374757.xml","form_type":"4"}},{"id":3755604,"issuer":{"id":5119,"kind":"organization","name":"MITEK SYSTEMS INC","symbol":"MITK"},"owners":[{"id":161218,"kind":"person","name":"DEBELLO JAMES B","position":1,"cik":"0001212148","reported_name":"DEBELLO JAMES B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Former CEO"}}],"security":"Common Stock","published_at":"2018-11-21T22:40:10.000Z","date":"2018-11-20","kind":"sale","acquired":false,"shares":42888,"price":9.4593,"value":405690.4584,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by reporting person on November 24, 2017 in order to implement a plan of financial diversification."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. 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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."}],"balance_after":773087,"source":{"system":"sec-edgar","filing":"0000807863-18-000028","document":"wf-form4_152651088589208.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/807863/000080786318000028/wf-form4_152651088589208.xml","form_type":"4"}},{"id":3932001,"issuer":{"id":5119,"kind":"organization","name":"MITEK SYSTEMS INC","symbol":"MITK"},"owners":[{"id":161218,"kind":"person","name":"DEBELLO JAMES B","position":1,"cik":"0001212148","reported_name":"DEBELLO JAMES B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO & Chairman"}}],"security":"Common Stock","published_at":"2018-05-16T22:49:08.000Z","date":"2018-05-15","kind":"sale","acquired":false,"shares":35747,"price":8.4921,"value":303567.0987,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by reporting person on November 24, 2017 in order to implement a plan of financial diversification."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. 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No performance restricted stock unit vests (and thus no shares of common stock are issued) unless the fair market value of Mitek's common stock at the end of a set performance period or upon a change of control during such performance period is equal to or exceeds $16.00 per share.  To incentivize relative performance of Mitek's stock price, reduced vesting could occur in the event Mitek's common stock price appreciation during the performance period underperforms against the Russell 2000 Index."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The fair market value of Mitek's common stock at the end of the performance period is determined based on the average closing price of Mitek's common stock for the last 20 trading days of the performance period.  The fair market value of Mitek's common stock upon a change of control shall equal (i) the consideration to be received by Mitek's stockholders with respect to one share of Mitek common stock upon such change of control or (ii) upon an asset sale, the consideration that would be distributable to Mitek's stockholders with respect to each share of Mitek common stock if Mitek distributed all of the consideration received in connection with the asset sale to its stockholders, less adjustments for debt, expenses and other amounts."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The vesting date for the performance restricted stock units, if such a date occurs, will not be determined until the end of the performance period or upon a change of control during the performance period. 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Shares subject to the award vest over four years from the date of grant, with 25% of the shares subject to the award vesting on the first anniversary of the date of grant and the remaining shares vesting in three equal annual installments thereafter."}],"balance_after":942985,"source":{"system":"sec-edgar","filing":"0000899243-16-033959","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/807863/000089924316033959/doc4.xml","form_type":"4"}},{"id":4561291,"issuer":{"id":5119,"kind":"organization","name":"MITEK SYSTEMS INC","symbol":"MITK"},"owners":[{"id":161218,"kind":"person","name":"DEBELLO JAMES B","position":1,"cik":"0001212148","reported_name":"DEBELLO JAMES B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO & Chairman"}}],"security":"COMMON STOCK","published_at":"2016-11-10T22:54:55.000Z","date":"2016-11-08","kind":"sale","acquired":false,"shares":10804,"price":6.1,"value":65904.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the disposition of shares to pay withholding taxes upon the vesting of 26,874 restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Comprised of 557,777 shares of common stock and 235,208 shares of common stock subject to restricted stock units held by the reporting person."}],"balance_after":792985,"source":{"system":"sec-edgar","filing":"0000899243-16-033205","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/807863/000089924316033205/doc4.xml","form_type":"4"}}]}