{"transactions":[{"id":3392664,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-07-22","kind":"sale","acquired":false,"shares":100,"price":10.4,"value":1040.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales by Reporting Persons on 7/22/19 of 100 Ordinary Shares at $10.34, 100 Ordinary Shares at $10.36 and 100 Ordinary Shares at $10.40, as reported herein, were in each case matchable under Section 16(b) of the Exchange Act of 1934, as amended, with the purchase by the Reporting Persons of 300 Ordinary Shares at a price of $10.2450 on 4/30/19.  The Reporting Persons have delivered a payment to the Issuer in the amount of $36.50, which represents the full amount of the profit realized in connection with these short-swing transactions."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622762,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392663,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-07-22","kind":"sale","acquired":false,"shares":100,"price":10.36,"value":1036.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales by Reporting Persons on 7/22/19 of 100 Ordinary Shares at $10.34, 100 Ordinary Shares at $10.36 and 100 Ordinary Shares at $10.40, as reported herein, were in each case matchable under Section 16(b) of the Exchange Act of 1934, as amended, with the purchase by the Reporting Persons of 300 Ordinary Shares at a price of $10.2450 on 4/30/19.  The Reporting Persons have delivered a payment to the Issuer in the amount of $36.50, which represents the full amount of the profit realized in connection with these short-swing transactions."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622862,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392662,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-07-22","kind":"sale","acquired":false,"shares":100,"price":10.34,"value":1034.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales by Reporting Persons on 7/22/19 of 100 Ordinary Shares at $10.34, 100 Ordinary Shares at $10.36 and 100 Ordinary Shares at $10.40, as reported herein, were in each case matchable under Section 16(b) of the Exchange Act of 1934, as amended, with the purchase by the Reporting Persons of 300 Ordinary Shares at a price of $10.2450 on 4/30/19.  The Reporting Persons have delivered a payment to the Issuer in the amount of $36.50, which represents the full amount of the profit realized in connection with these short-swing transactions."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622962,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392661,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-06-28","kind":"purchase","acquired":true,"shares":100,"price":10.4,"value":1040.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":623062,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392660,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-06-27","kind":"purchase","acquired":true,"shares":200,"price":10.38,"value":2076.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622962,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392659,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-06-04","kind":"purchase","acquired":true,"shares":100,"price":10.39,"value":1039.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622762,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392658,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-06-04","kind":"purchase","acquired":true,"shares":1000,"price":10.35,"value":10350.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":622662,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392657,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-05-31","kind":"purchase","acquired":true,"shares":1500,"price":10.34,"value":15510.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":621662,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392656,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-05-30","kind":"purchase","acquired":true,"shares":100,"price":10.34,"value":1034.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":620162,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392655,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-04-30","kind":"purchase","acquired":true,"shares":300,"price":10.34,"value":3102.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":620062,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392654,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-04-30","kind":"purchase","acquired":true,"shares":6836,"price":10.3,"value":70410.8,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":619762,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392653,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-04-30","kind":"purchase","acquired":true,"shares":1726,"price":10.29,"value":17760.54,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":612926,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392652,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-04-30","kind":"purchase","acquired":true,"shares":400,"price":10.245,"value":4098.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":611200,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}},{"id":3392651,"issuer":{"id":89998,"kind":"organization","name":"DermTech, Inc.","symbol":"DMTK"},"owners":[{"id":89620,"kind":"organization","name":"COWEN INC.","position":1,"cik":"0001466538","reported_name":"COWEN INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94159,"kind":"organization","name":"Cowen Investments II LLC","position":2,"cik":"0001771946","reported_name":"Cowen Investments II LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89624,"kind":"organization","name":"COWEN AND COMPANY, LLC","position":3,"cik":"0000048966","reported_name":"COWEN AND COMPANY, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89623,"kind":"organization","name":"Cowen Holdings, Inc.","position":4,"cik":"0001355007","reported_name":"Cowen Holdings, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":89622,"kind":"organization","name":"RCG LV Pearl LLC","position":5,"cik":"0001613404","reported_name":"RCG LV Pearl LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":116234,"kind":"person","name":"SOLOMON JEFFREY M","position":6,"cik":"0001275922","reported_name":"SOLOMON JEFFREY M","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2019-10-17T16:13:29.000Z","date":"2019-03-29","kind":"purchase","acquired":true,"shares":100,"price":10.32,"value":1032.0,"ownership":{"direct":false,"nature":"By Cowen and Company, LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Cowen Inc., Cowen Investments II LLC (\"Cowen Investments II\"), Cowen and Company, LLC (\"Cowen and Company\"), Cowen Holdings, Inc. (\"Cowen Holdings\"), RCG LV Pearl LLC (\"RCG\") and Jeffrey M. Solomon (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of Constellation Alpha Capital Corp.'s (the \"Issuer\") outstanding ordinary shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents securities owned directly by Cowen and Company. As the sole member of Cowen and Company, Cowen Holdings may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of Cowen Holdings, RCG may be deemed to beneficially own the securities owned directly by Cowen and Company. As the sole member of RCG, Cowen Inc. may be deemed to beneficially own the securities owned directly by Cowen and Company. As Chief Executive Officer of Cowen Inc., Mr. Solomon may be deemed to beneficially own the securities owned directly by Cowen and Company."}],"balance_after":610800,"source":{"system":"sec-edgar","filing":"0001466538-19-000100","document":"wf-form4_157134315368545.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/48966/000146653819000100/wf-form4_157134315368545.xml","form_type":"4"}}]}