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Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date.  One third of the shares underlying the restricted stock unit award vested on June 23, 2021.  One third of the shares will vest on June 23, 2022, and one third of the shares will vest on June 23, 2023, subject to the Reporting Person providing continuous service to the Issuer on such dates.  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Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date.  One third of the shares underlying the restricted stock unit award vested on June 15, 2021.  One third of the shares will vest on June 15, 2022, and one third of the shares will vest on June 15, 2023, subject to the Reporting Person providing continuous service to the Issuer on such dates.  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Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date.  One third of the shares underlying the restricted stock unit award vested on August 17, 2020.  One third of the shares will vest on August 17, 2021, and one third of the shares will vest on August 17, 2022, subject to the Reporting Person providing continuous service to the Issuer on such dates.  Shares in respect of the vested portion of the award must be delivered no later than March 15 of the calendar year following the year in which vesting occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Of the shares of common stock reported, 16,666 shares represent unvested restricted stock units."}],"balance_after":25000,"source":{"system":"sec-edgar","filing":"0001628280-20-012840","document":"wf-form4_159779585056386.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1752461/000162828020012840/wf-form4_159779585056386.xml","form_type":"4"}},{"id":3054540,"issuer":{"id":5638,"kind":"organization","name":"X4 Pharmaceuticals, Inc","symbol":"XFOR"},"owners":[{"id":61758,"kind":"person","name":"Meisner Derek M","position":1,"cik":"0001752461","reported_name":"Meisner Derek M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2020-08-18T20:11:03.000Z","date":"2020-08-14","kind":"grant","acquired":true,"shares":12500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units issued to the Reporting Person.  Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date.  One third of the shares underlying the restricted stock unit award vested on August 14, 2020.  One third of the shares will vest on August 14, 2021, and one third of the shares will vest on August 14, 2022, subject to the Reporting Person providing continuous service to the Issuer on such dates.  Shares in respect of the vested portion of the award must be delivered no later than March 15 of the calendar year following the year in which vesting occurs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the shares of common stock reported, 8,333 shares represent unvested restricted stock units."}],"balance_after":12500,"source":{"system":"sec-edgar","filing":"0001628280-20-012840","document":"wf-form4_159779585056386.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1752461/000162828020012840/wf-form4_159779585056386.xml","form_type":"4"}},{"id":3357745,"issuer":{"id":5638,"kind":"organization","name":"X4 Pharmaceuticals, Inc","symbol":"XFOR"},"owners":[{"id":61758,"kind":"person","name":"Meisner Derek M","position":1,"cik":"0001752461","reported_name":"Meisner Derek M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (right to buy)","published_at":"2019-11-27T16:10:31.000Z","date":"2019-11-26","kind":"grant","acquired":true,"shares":55000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of the shares subject to the option shall vest on November 26, 2020, with the remainder vesting in equal installments of 2.0833% of the shares subject to the option on the last day of each successive month thereafter for a period of 36 months, subject to the Reporting Person continuing to provide services through each such date."}],"balance_after":55000,"derivative":{"exercise_price":11.03,"expiration_date":"2029-11-25","underlying":"Common Stock","underlying_shares":55000},"source":{"system":"sec-edgar","filing":"0001628280-19-014580","document":"wf-form4_157488901181061.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1752461/000162828019014580/wf-form4_157488901181061.xml","form_type":"4"}},{"id":3666121,"issuer":{"id":12635,"kind":"organization","name":"GENOCEA BIOSCIENCES, INC.","symbol":"GNCA"},"owners":[{"id":61758,"kind":"person","name":"Meisner Derek M","position":1,"cik":"0001752461","reported_name":"Meisner Derek M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SENIOR VP AND GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-02-11T20:59:03.000Z","date":"2019-02-07","kind":"grant","acquired":true,"shares":200000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Stock Option will vest as to 1/4th of the shares subject to the option on the first anniversary of the Grant Date and thereafter as to 1/36th of the shares on each subsequent monthly anniversary of February 7, 2020 (rounded down to the nearest whole share, except for the final vesting period, with respect to which all remaining shares will vest)."}],"balance_after":200000,"derivative":{"exercise_price":0.54,"expiration_date":"2029-02-07","underlying":"Common Stock","underlying_shares":200000},"source":{"system":"sec-edgar","filing":"0001457612-19-000013","document":"wf-form4_154993672902137.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1752461/000145761219000013/wf-form4_154993672902137.xml","form_type":"4"}},{"id":3809892,"issuer":{"id":12635,"kind":"organization","name":"GENOCEA BIOSCIENCES, INC.","symbol":"GNCA"},"owners":[{"id":61758,"kind":"person","name":"Meisner Derek M","position":1,"cik":"0001752461","reported_name":"Meisner Derek M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SENIOR VP AND GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2018-09-21T16:03:34.000Z","date":"2018-09-20","kind":"grant","acquired":true,"shares":200000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Stock Option shall become exercisable as to 25% of the maximum number of shares on September 10, 2019, and as to an additional 2.0833% of the total number of shares on each monthly anniversary thereafter"}],"balance_after":200000,"derivative":{"exercise_price":0.51,"expiration_date":"2028-09-20","underlying":"Common Stock","underlying_shares":200000},"source":{"system":"sec-edgar","filing":"0001457612-18-000086","document":"wf-form4_153756019707841.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1752461/000145761218000086/wf-form4_153756019707841.xml","form_type":"4"}}]}