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(the \"Company\") Amended and Restated 2015 Stock Incentive Plan, as amended, will vest one (1) year from the October 31, 2018 grant date subject to continued service on the Company's Board of Directors through the vesting date."}],"balance_after":160000,"derivative":{"exercise_price":1.76,"exercise_date":"2019-10-31","expiration_date":"2028-10-31","underlying":"Common Stock","underlying_shares":160000},"source":{"system":"sec-edgar","filing":"0001209191-18-056944","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1000694/000120919118056944/doc4.xml","form_type":"4"}},{"id":4057565,"issuer":{"id":5255,"kind":"organization","name":"CRESCENT BIOPHARMA, INC.","symbol":"CBIO"},"owners":[{"id":32645,"kind":"person","name":"King Rachel K.","position":1,"cik":"0001589712","reported_name":"King Rachel K.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2018-02-14T13:52:10.000Z","date":"2017-09-08","kind":"gift","acquired":false,"shares":46602,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By The Rachel K. King 2013 GRAT"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On June 7, 2013, the reporting person contributed 136,281 shares of the issuer's common stock to a grantor retained annuity trust for the benefit of herself and her two adult children.  Upon termination of the trust, on September 8, 2017, a total of 46,602 shares were transferred to trusts for the benefit of the adult children.  The remaining 89,679 shares were previously distributed to the reporting person and continue to be reported on this form as directly owned."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-18-009860","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1253689/000120919118009860/doc5.xml","form_type":"5"}},{"id":4057564,"issuer":{"id":5255,"kind":"organization","name":"CRESCENT BIOPHARMA, INC.","symbol":"CBIO"},"owners":[{"id":32645,"kind":"person","name":"King Rachel K.","position":1,"cik":"0001589712","reported_name":"King Rachel K.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2018-02-14T13:52:10.000Z","date":"2017-09-08","kind":"gift","acquired":true,"shares":23301,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Langley King 2013 GRAT"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On June 7, 2013, the reporting person contributed 136,281 shares of the issuer's common stock to a grantor retained annuity trust for the benefit of herself and her two adult children.  Upon termination of the trust, on September 8, 2017, a total of 46,602 shares were transferred to trusts for the benefit of the adult children.  The remaining 89,679 shares were previously distributed to the reporting person and continue to be reported on this form as directly owned."}],"balance_after":23301,"source":{"system":"sec-edgar","filing":"0001209191-18-009860","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1253689/000120919118009860/doc5.xml","form_type":"5"}},{"id":4057563,"issuer":{"id":5255,"kind":"organization","name":"CRESCENT BIOPHARMA, INC.","symbol":"CBIO"},"owners":[{"id":32645,"kind":"person","name":"King Rachel K.","position":1,"cik":"0001589712","reported_name":"King Rachel K.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Common Stock","published_at":"2018-02-14T13:52:10.000Z","date":"2017-09-08","kind":"gift","acquired":true,"shares":23301,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Connor King 2013 GRAT"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On June 7, 2013, the reporting person contributed 136,281 shares of the issuer's common stock to a grantor retained annuity trust for the benefit of herself and her two adult children.  Upon termination of the trust, on September 8, 2017, a total of 46,602 shares were transferred to trusts for the benefit of the adult children.  The remaining 89,679 shares were previously distributed to the reporting person and continue to be reported on this form as directly owned."}],"balance_after":23301,"source":{"system":"sec-edgar","filing":"0001209191-18-009860","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1253689/000120919118009860/doc5.xml","form_type":"5"}},{"id":4100309,"issuer":{"id":5255,"kind":"organization","name":"CRESCENT BIOPHARMA, INC.","symbol":"CBIO"},"owners":[{"id":32645,"kind":"person","name":"King Rachel K.","position":1,"cik":"0001589712","reported_name":"King Rachel K.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-01-12T21:04:37.000Z","date":"2018-01-10","kind":"grant","acquired":true,"shares":175000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-fourth of the shares underlying this option vest on January 10, 2019 and the balance of the shares vest in a series of 36 successive equal monthly installments thereafter, subject to the reporting person's continuous service as of each such vesting date."}],"balance_after":175000,"derivative":{"exercise_price":20.03,"expiration_date":"2028-01-09","underlying":"Common Stock","underlying_shares":175000},"source":{"system":"sec-edgar","filing":"0001209191-18-003393","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1253689/000120919118003393/doc4.xml","form_type":"4"}},{"id":4497957,"issuer":{"id":5255,"kind":"organization","name":"CRESCENT BIOPHARMA, INC.","symbol":"CBIO"},"owners":[{"id":32645,"kind":"person","name":"King Rachel K.","position":1,"cik":"0001589712","reported_name":"King Rachel K.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO"}}],"security":"Employee Stock Option (right to buy)","published_at":"2017-01-05T13:50:25.000Z","date":"2017-01-04","kind":"grant","acquired":true,"shares":175000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-fourth of the shares underlying this option vest on January 4, 2018 and the balance of the shares vest in a series of 36 successive equal monthly installments thereafter, subject to the reporting person's continuous service as of each such vesting date."}],"balance_after":175000,"derivative":{"exercise_price":6.33,"expiration_date":"2027-01-03","underlying":"Common Stock","underlying_shares":175000},"source":{"system":"sec-edgar","filing":"0001209191-17-001649","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1253689/000120919117001649/doc4.xml","form_type":"4"}}]}