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These shares were sold in multiple transactions at prices ranging from $31.75 - $32.50, inclusive.  The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, 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 range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by Canaan VIII, LP (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. 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These shares were sold in multiple transactions at prices ranging from $33.00 - $33.21, inclusive.  The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, 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 range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by Canaan VIII, LP (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":100898,"source":{"system":"sec-edgar","filing":"0001209191-19-045917","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919119045917/doc4.xml","form_type":"4"}},{"id":3438908,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-08-14T16:32:27.000Z","date":"2019-08-12","kind":"sale","acquired":false,"shares":84185,"price":31.7986,"value":2676965.141,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $31.75 - $32.185, inclusive.  The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, 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 range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by Canaan VIII, LP (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":103498,"source":{"system":"sec-edgar","filing":"0001209191-19-045917","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919119045917/doc4.xml","form_type":"4"}},{"id":3478151,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2019-06-26T17:31:44.000Z","date":"2019-06-25","kind":"grant","acquired":true,"shares":6353,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs shall vest in full on the one-year anniversary of the date of grant, provided that the Reporting Person remains a director of the Issuer on such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs shall vest in full on the one-year anniversary of the date of grant, provided that the Reporting Person remains a director of the Issuer on such vesting date."}],"balance_after":6353,"derivative":{"underlying":"Common Stock","underlying_shares":6353},"source":{"system":"sec-edgar","filing":"0001209191-19-039146","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919119039146/doc4.xml","form_type":"4"}},{"id":3558534,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2019-04-10T17:34:29.000Z","date":"2019-03-09","kind":"exercise","acquired":false,"shares":8484,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs vested in full on the one-year anniversary of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs vested in full on the one-year anniversary of the date of grant."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":8484},"source":{"system":"sec-edgar","filing":"0001209191-19-024294","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919119024294/doc4.xml","form_type":"4"}},{"id":3558533,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-10T17:34:29.000Z","date":"2019-03-09","kind":"exercise","acquired":true,"shares":8484,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,771 shares received by the Reporting Person pursuant to pro rata distributions, for no consideration, by Canaan VIII, LP (the \"Canaan Fund\") on September 17, 2018, January 29, 2019 and April 9, 2019.  The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended."}],"balance_after":11255,"source":{"system":"sec-edgar","filing":"0001209191-19-024294","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919119024294/doc4.xml","form_type":"4"}},{"id":3848685,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant (Right to Buy)","published_at":"2018-08-09T21:36:59.000Z","date":"2018-08-09","kind":"exercise","acquired":false,"shares":122777,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares acquired upon exercise of the warrant were acquired through a net exercise procedure in accordance with the terms of the warrant and did not involve any sale of shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by  Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":0,"derivative":{"exercise_price":0.0004,"exercise_date":"2018-08-07","expiration_date":"2023-08-07","underlying":"Common Stock","underlying_shares":122777},"source":{"system":"sec-edgar","filing":"0001209191-18-046120","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919118046120/doc4.xml","form_type":"4"}},{"id":3848684,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant (Right to Buy)","published_at":"2018-08-09T21:36:59.000Z","date":"2018-08-07","kind":"grant","acquired":true,"shares":122777,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The warrants were acquired pursuant to an agreement between the Reporting Person and the Issuer, dated May 4, 2017.  The acquisition was approved by the Issuer's Board of Directors on May 4, 2017 and constitutes an exempt acquisition under Rule 16b-3(d)(1) of the Securities Exchange Act of 1934, as amended.  The number of shares to be acquired (if any) upon exercise of the warrants could only be determined 180 days following the date of the Issuer's final prospectus, dated February 8, 2018, relating to its initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by  Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":122777,"derivative":{"exercise_price":0.0004,"exercise_date":"2018-08-07","expiration_date":"2023-08-07","underlying":"Common Stock","underlying_shares":122777},"source":{"system":"sec-edgar","filing":"0001209191-18-046120","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919118046120/doc4.xml","form_type":"4"}},{"id":3848683,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-09T21:36:59.000Z","date":"2018-08-09","kind":"exercise","acquired":true,"shares":122777,"price":0.0004,"value":49.1108,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares acquired upon exercise of the warrant were acquired through a net exercise procedure in accordance with the terms of the warrant and did not involve any sale of shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are held directly by  Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively. John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":3368141,"source":{"system":"sec-edgar","filing":"0001209191-18-046120","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919118046120/doc4.xml","form_type":"4"}},{"id":3998604,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2018-03-13T16:31:50.000Z","date":"2018-03-09","kind":"grant","acquired":true,"shares":8484,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units shall vest in full on the one-year anniversary of date of grant, provided that the Reporting Person (i) has served as a director for at least six months and (ii) remains a director of the Issuer on such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units shall vest in full on the one-year anniversary of date of grant, provided that the Reporting Person (i) has served as a director for at least six months and (ii) remains a director of the Issuer on such vesting date."}],"balance_after":8484,"derivative":{"underlying":"Common Stock","underlying_shares":8484},"source":{"system":"sec-edgar","filing":"0001209191-18-019232","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000120919118019232/doc4.xml","form_type":"4"}},{"id":4055229,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series G' Redeemable Convertible Preferred Stock","published_at":"2018-02-15T16:53:04.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":260097,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund.  Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively.  John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":260097},"source":{"system":"sec-edgar","filing":"0000899243-18-004196","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000089924318004196/doc4.xml","form_type":"4"}},{"id":4055228,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series G Redeemable Convertible Preferred Stock","published_at":"2018-02-15T16:53:04.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":53660,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund.  Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively.  John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. Mr. Balen disclaims beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan VIII."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":53660},"source":{"system":"sec-edgar","filing":"0000899243-18-004196","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1181211/000089924318004196/doc4.xml","form_type":"4"}},{"id":4055227,"issuer":{"id":7603,"kind":"organization","name":"Cardlytics, Inc.","symbol":"CDLX"},"owners":[{"id":113132,"kind":"person","name":"BALEN JOHN V","position":1,"cik":"0001181211","reported_name":"BALEN JOHN V","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series E-R Redeemable Convertible Preferred Stock","published_at":"2018-02-15T16:53:04.000Z","date":"2018-02-13","kind":"exercise","acquired":false,"shares":119254,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A-R Redeemable Convertible Preferred Stock, Series B-R Redeemable Convertible Preferred Stock, Series C-R Redeemable Convertible Preferred Stock, Series D-R Redeemable Convertible Preferred Stock, Series E-R Redeemable Convertible Preferred Stock, Series G Redeemable Convertible Preferred Stock and Series G' Redeemable Convertible Preferred Stock, which had no expiration date, automatically converted on a one-for-one basis at the closing of the Issuer's initial public offering on February 13, 2018, for no additional consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held directly by Canaan VIII L.P. (the \"Canaan Fund\"). Canaan Partners VIII LLC (\"Canaan VIII\" and together with the Canaan Fund, the \"Canaan Entities\") is the sole general partner of the Canaan Fund.  Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan VIII, collectively.  John Balen, a manager and member of Canaan VIII, serves as the representative of the Canaan Entities on the Issuer's board of directors. 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