{"transactions":[{"id":1583768,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":85750,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Pursuant to the terms of the Merger Agreement, at the Effective Time, by virtue of the Merger and without any further action on the part of the holders thereof or the parties to the Merger Agreement, each warrant that was outstanding and unexercised immediately prior to the Effective Time, in accordance with its terms, ceased to represent a warrant exercisable for Common Stock and became a warrant exercisable for the Common Stock Merger Consideration that such holder would have been entitled to receive if such warrant had been exercised immediately prior to the Effective Time."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The sole general partner of NLV-III is New Leaf Venture Associates III,L.P. (\"NLVA-III\"). The sole general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"NLV-III Managers\") are managing directors of Management-III and may each be deemed to have shared voting and investment power with respect to these securities. Each of the NLV-III Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"exercise_price":5.8345,"exercise_date":"2023-10-25","expiration_date":"2026-10-25","underlying":"Common Stock","underlying_shares":85750},"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1583767,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":686000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Pursuant to the terms of the Merger Agreement, at the Effective Time, by virtue of the Merger and without any further action on the part of the holders thereof or the parties to the Merger Agreement, each warrant that was outstanding and unexercised immediately prior to the Effective Time, in accordance with its terms, ceased to represent a warrant exercisable for Common Stock and became a warrant exercisable for the Common Stock Merger Consideration that such holder would have been entitled to receive if such warrant had been exercised immediately prior to the Effective Time."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The sole general partner of NLV-III is New Leaf Venture Associates III,L.P. (\"NLVA-III\"). The sole general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"NLV-III Managers\") are managing directors of Management-III and may each be deemed to have shared voting and investment power with respect to these securities. Each of the NLV-III Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"exercise_price":5.8345,"exercise_date":"2023-10-25","expiration_date":"2026-10-25","underlying":"Common Stock","underlying_shares":686000},"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1583766,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":299430,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Pursuant to the terms of the Merger Agreement, at the Effective Time, by virtue of the Merger and without any further action on the part of the holders thereof or the parties to the Merger Agreement, each warrant that was outstanding and unexercised immediately prior to the Effective Time, in accordance with its terms, ceased to represent a warrant exercisable for Common Stock and became a warrant exercisable for the Common Stock Merger Consideration that such holder would have been entitled to receive if such warrant had been exercised immediately prior to the Effective Time."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Pursuant to the terms of the Merger Agreement, at the effective time of the Merger (the \"Effective Time\"), each outstanding share of Common Stock was cancelled and automatically converted into the right to receive $23.00 in cash, without interest (the \"Common Stock Merger Consideration\")."}],"balance_after":0,"derivative":{"exercise_price":9.7889,"exercise_date":"2023-03-23","expiration_date":"2031-03-23","underlying":"Common Stock","underlying_shares":299430},"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1583765,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"8.000% Series A Redeemable Preferred Stock","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":10000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Pursuant to the terms of the Merger Agreement, at the Effective Time, each share of the Issuer's Series A Redeemable Preferred Stock, par value of $0.0001 per share (\"Series A Preferred Stock\") issued and outstanding was cancelled and the holder thereof was entitled to receive $3,577.77 per share of Series A Preferred Stock in respect of each Series A Preferred Stock determined in accordance with the terms of the Series A Preferred Stock, subject to applicable withholding taxes."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Pursuant to the terms of the Merger Agreement, at the effective time of the Merger (the \"Effective Time\"), each outstanding share of Common Stock was cancelled and automatically converted into the right to receive $23.00 in cash, without interest (the \"Common Stock Merger Consideration\")."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1583764,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":395783,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to the terms of the Merger Agreement, at the effective time of the Merger (the \"Effective Time\"), each outstanding share of Common Stock was cancelled and automatically converted into the right to receive $23.00 in cash, without interest (the \"Common Stock Merger Consideration\")."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The sole general partner of NLV-III is New Leaf Venture Associates III,L.P. (\"NLVA-III\"). The sole general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"NLV-III Managers\") are managing directors of Management-III and may each be deemed to have shared voting and investment power with respect to these securities. Each of the NLV-III Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1583763,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-03-11T17:28:46.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1463386,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to the terms of the Merger Agreement, at the effective time of the Merger (the \"Effective Time\"), each outstanding share of Common Stock was cancelled and automatically converted into the right to receive $23.00 in cash, without interest (the \"Common Stock Merger Consideration\")."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of January 7, 2024, by and among the Issuer, Merck Sharp & Dohme LLC, a New Jersey limited liability company (\"Parent\"), and Hawaii Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into the Issuer on March 11, 2024, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the \"Merger\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are held directly by New Leaf Biopharma Opportunities II, L.P. (\"BPO-II\"). The sole general partner of BPO-II is New Leaf BPO Associates II, L.P. (\"NLBA-II\"). The sole general partner of NLBA-II is New Leaf BPO Management II, L.L.C. (\"BPO Management-II\"). Each of NLBA-II and BPO Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLBA-II or BPO Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"BPO-II Managing Directors\") are managing directors of BPO Management-II and may each be deemed to have shared voting and investment power with respect to these securities. Each of the BPO-II Managing Directors disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-029449","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000095017024029449/ownership.xml","form_type":"4"}},{"id":1754244,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2023-10-27T16:41:26.000Z","date":"2023-10-25","kind":"purchase","planned":false,"acquired":true,"shares":85750,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"The exercise price is also subject to adjustment pursuant to the Common Stock Warrant issued on October 25, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The sole general partner of NLV-III is New Leaf Venture Associates III,L.P. (\"NLVA-III\"). The sole general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"NLV-III Managers\") are managing directors of Management-III and may each be deemed to have shared voting and investment power with respect to these securities. Each of the NLV-III Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":85750,"derivative":{"exercise_price":5.8345,"exercise_date":"2023-10-25","expiration_date":"2026-10-25","underlying":"Common Stock","underlying_shares":85750},"source":{"system":"sec-edgar","filing":"0000899243-23-020044","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000089924323020044/doc4.xml","form_type":"4"}},{"id":1754243,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2023-10-27T16:41:26.000Z","date":"2023-10-25","kind":"purchase","planned":false,"acquired":true,"shares":686000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"The exercise price is also subject to adjustment pursuant to the Common Stock Warrant issued on October 25, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are held directly by New Leaf Biopharma Opportunities II, L.P. (\"BPO-II\"). The sole general partner of BPO-II is New Leaf BPO Associates II, L.P. (\"NLBA-II\"). The sole general partner of NLBA-II is New Leaf BPO Management II, L.L.C. (\"BPO Management-II\"). Each of NLBA-II and BPO Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLBA-II or BPO Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"BPO-II Managing Directors\") are managing directors of BPO Management-II and may each be deemed to have shared voting and investment power with respect to these securities. Each of the BPO-II Managing Directors disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":686000,"derivative":{"exercise_price":5.8345,"exercise_date":"2023-10-25","expiration_date":"2026-10-25","underlying":"Common Stock","underlying_shares":686000},"source":{"system":"sec-edgar","filing":"0000899243-23-020044","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000089924323020044/doc4.xml","form_type":"4"}},{"id":1754242,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-10-27T16:41:26.000Z","date":"2023-10-25","kind":"purchase","planned":false,"acquired":true,"shares":171500,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Shares reflect a 1:10 reverse stock split of the Issuer's Common Stock effective September 1, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The sole general partner of NLV-III is New Leaf Venture Associates III,L.P. (\"NLVA-III\"). The sole general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"NLV-III Managers\") are managing directors of Management-III and may each be deemed to have shared voting and investment power with respect to these securities. Each of the NLV-III Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":395783,"source":{"system":"sec-edgar","filing":"0000899243-23-020044","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000089924323020044/doc4.xml","form_type":"4"}},{"id":1754241,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":1,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":2,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":3,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":4,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93225,"kind":"person","name":"Lathi Vijay K","position":7,"cik":"0001340806","reported_name":"Lathi Vijay K","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-10-27T16:41:26.000Z","date":"2023-10-25","kind":"purchase","planned":false,"acquired":true,"shares":1372000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of the Issuer's Common Stock and accompanying warrants were purchased in the Issuer's private placement of Common Stock and warrants pursuant to a Securities Purchase Agreement, dated October 22, 2023, by and among the Issuer and the other purchasers named therein. The shares of Common Stock and warrants acquired were purchased at a price representative of $5.8345 per share of Common Stock and accompanying warrant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Shares reflect a 1:10 reverse stock split of the Issuer's Common Stock effective September 1, 2023."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are held directly by New Leaf Biopharma Opportunities II, L.P. (\"BPO-II\"). The sole general partner of BPO-II is New Leaf BPO Associates II, L.P. (\"NLBA-II\"). The sole general partner of NLBA-II is New Leaf BPO Management II, L.L.C. (\"BPO Management-II\"). Each of NLBA-II and BPO Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLBA-II or BPO Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Ronald Hunt, a board member of the Issuer, and Vijay K. Lathi (collectively, the \"BPO-II Managing Directors\") are managing directors of BPO Management-II and may each be deemed to have shared voting and investment power with respect to these securities. Each of the BPO-II Managing Directors disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":1463386,"source":{"system":"sec-edgar","filing":"0000899243-23-020044","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1340806/000089924323020044/doc4.xml","form_type":"4"}},{"id":2604936,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":1,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":2,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":3,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":4,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-08-12T16:15:15.000Z","date":"2021-01-11","kind":"purchase","acquired":true,"shares":235294,"price":17,"value":3999998.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares are held directly by New Leaf Ventures Biopharma Opportunities II, L.P. (\"BPO-II\"). The general partner of BPO-II is New Leaf BPO Associates II, L.P. (\"NLBA-II\"). The general partner of NLBA-II is New Leaf BPO Management II, L.L.C. (\"BPO Management-II\"). Each of NLBA-II and BPO Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLBA-II or BPO Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each of Ronald M. Hunt, a member of the Issuer's board of directors, and Vijay K. Lathi are the managers of BPO Management-II (the \"BPO-II Managers\") and may be deemed to have shared voting and investment power with respect to these securities. Each of the BPO-II Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":913860,"source":{"system":"sec-edgar","filing":"0000899243-21-032748","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1625657/000089924321032748/doc4.xml","form_type":"4"}},{"id":3437498,"issuer":{"id":146423,"kind":"organization","name":"Principia Biopharma Inc.","symbol":"PRNB"},"owners":[{"id":155449,"kind":"organization","name":"New Leaf Ventures II, L.P.","position":1,"cik":"0001441439","reported_name":"New Leaf Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155450,"kind":"organization","name":"New Leaf Venture Associates II, L.P.","position":2,"cik":"0001441858","reported_name":"New Leaf Venture Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155451,"kind":"organization","name":"New Leaf Venture Management II, L.L.C.","position":3,"cik":"0001441857","reported_name":"New Leaf Venture Management II, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":4,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-15T16:47:11.000Z","date":"2019-08-13","kind":"sale","acquired":false,"shares":49991,"price":35,"value":1749685.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are held directly by New Leaf Ventures Biopharma Opportunities II, L.P. 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Each of the BPO-II Managers disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":464281},"source":{"system":"sec-edgar","filing":"0001209191-19-010317","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1625657/000120919119010317/doc4.xml","form_type":"4"}},{"id":3655876,"issuer":{"id":11424,"kind":"organization","name":"Harpoon Therapeutics, Inc.","symbol":"HARP"},"owners":[{"id":93220,"kind":"person","name":"New Leaf Ventures III, L.P.","position":1,"cik":"0001625653","reported_name":"New Leaf Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93221,"kind":"person","name":"New Leaf Venture Associates III, L.P.","position":2,"cik":"0001625656","reported_name":"New Leaf Venture Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93222,"kind":"person","name":"New Leaf Venture Management III, L.L.C.","position":3,"cik":"0001625657","reported_name":"New Leaf Venture Management III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":4,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2019-02-14T17:33:22.000Z","date":"2019-02-12","kind":"exercise","acquired":false,"shares":464281,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by New Leaf Ventures III, L.P. (\"NLV-III\"). The general partner of NLV-III is New Leaf Venture Associates III, L.P. (\"NLVA-III\"). The general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, a member of the Issuer's board of directors, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-III (the \"NLV-III Managers\"), may each be deemed to have shared voting and investment power with respect to these securities. 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(\"NLV-III\"). The general partner of NLV-III is New Leaf Venture Associates III, L.P. (\"NLVA-III\"). The general partner of NLVA-III is New Leaf Venture Management III, L.L.C. (\"Management-III\"). Each of NLVA-III and Management-III disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-III or Management-III are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, a member of the Issuer's board of directors, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-III (the \"NLV-III Managers\"), may each be deemed to have shared voting and investment power with respect to these securities. 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(\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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(\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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Manke, the managers of BPO Management-II (each, a \"BPO-II Manager\" and collectively, the \"BPO-II Managers\"), and Becker may each, by virtue of their respective affiliations with and/or interests in New Leaf Ventures, be deemed to have shared voting and investment power with respect to these securities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each of the BPO-II Managers and Becker disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":437537,"source":{"system":"sec-edgar","filing":"0001209191-18-051834","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1441857/000120919118051834/doc4.xml","form_type":"4"}},{"id":3810619,"issuer":{"id":146423,"kind":"organization","name":"Principia Biopharma Inc.","symbol":"PRNB"},"owners":[{"id":155449,"kind":"organization","name":"New Leaf Ventures II, L.P.","position":1,"cik":"0001441439","reported_name":"New Leaf Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155450,"kind":"organization","name":"New Leaf Venture Associates II, L.P.","position":2,"cik":"0001441858","reported_name":"New Leaf Venture Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155451,"kind":"organization","name":"New Leaf Venture Management II, L.L.C.","position":3,"cik":"0001441857","reported_name":"New Leaf Venture Management II, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":4,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-09-20T18:53:03.000Z","date":"2018-09-18","kind":"exercise","acquired":true,"shares":167537,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"These shares are held directly by New Leaf Ventures Biopharma Opportunities II, L.P. (\"BPO-II\"). The general partner of BPO-II is New Leaf BPO Associates II, L.P. (\"NLBA-II\"). The general partner of NLBA-II is New Leaf BPO Management II, L.L.C. (\"BPO Management-II\"). Each of NLBA-II and BPO Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLBA-II or BPO Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein. Each of Ronald M. Hunt, Vijay K. Lathi, Liam T. Ratcliffe and Isaac J. Manke, the managers of BPO Management-II (each, a \"BPO-II Manager\" and collectively, the \"BPO-II Managers\"), and Becker may each, by virtue of their respective affiliations with and/or interests in New Leaf Ventures, be deemed to have shared voting and investment power with respect to these securities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Each of the BPO-II Managers and Becker disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":167537,"source":{"system":"sec-edgar","filing":"0001209191-18-051834","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1441857/000120919118051834/doc4.xml","form_type":"4"}},{"id":3810618,"issuer":{"id":146423,"kind":"organization","name":"Principia Biopharma Inc.","symbol":"PRNB"},"owners":[{"id":155449,"kind":"organization","name":"New Leaf Ventures II, L.P.","position":1,"cik":"0001441439","reported_name":"New Leaf Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155450,"kind":"organization","name":"New Leaf Venture Associates II, L.P.","position":2,"cik":"0001441858","reported_name":"New Leaf Venture Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":155451,"kind":"organization","name":"New Leaf Venture Management II, L.L.C.","position":3,"cik":"0001441857","reported_name":"New Leaf Venture Management II, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93219,"kind":"person","name":"New Leaf Biopharma Opportunities II, L.P.","position":4,"cik":"0001735293","reported_name":"New Leaf Biopharma Opportunities II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93223,"kind":"person","name":"New Leaf BPO Associates II, L.P.","position":5,"cik":"0001740783","reported_name":"New Leaf BPO Associates II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":93224,"kind":"person","name":"New Leaf BPO Management II, L.L.C","position":6,"cik":"0001740755","reported_name":"New Leaf BPO Management II, L.L.C","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-09-20T18:53:03.000Z","date":"2018-09-18","kind":"exercise","acquired":true,"shares":544047,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"All series of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis, for no additional consideration, upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held directly by New Leaf Ventures II, L.P. (\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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(\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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(\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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(\"NLV-II\"). The general partner of NLV-II is New Leaf Venture Associates II, L.P. (\"NLVA-II\"). The general partner of NLVA-II is New Leaf Venture Management II, L.L.C. (\"Management-II\"). Each of NLVA-II and Management-II disclaim beneficial ownership of these securities and this report shall not be deemed an admission that NLVA-II or Management-II are beneficial owners of such securities for purposes of Section 16 or any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of Ronald M. Hunt, Vijay K. Lathi, and Liam T. Ratcliffe, the managers of Management-II (each, a \"NLV-II Manager\" and collectively, the \"NLV-II Managers\"), and Daniel J. Becker (\"Becker\"), a member of the Issuer's board of directors and principal of New Leaf Venture Partners, L.L.C. 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