{"transactions":[{"id":4627097,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-09-25T21:04:09.000Z","date":"2026-09-23","kind":"grant","planned":false,"acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first anniversary of the grant date, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":10000,"derivative":{"exercise_price":10.99,"expiration_date":"2036-09-22","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001628280-26-063619","document":"wk-form4_1790370246.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728117/000162828026063619/wk-form4_1790370246.xml","form_type":"4"}},{"id":747533,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-06-05T20:30:09.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":115000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award made pursuant to Non-Employee Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":115000,"derivative":{"exercise_price":0.178,"expiration_date":"2036-06-03","underlying":"Common Stock","underlying_shares":115000},"source":{"system":"sec-edgar","filing":"0001538894-26-000002","document":"wk-form4_1780691402.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000153889426000002/wk-form4_1780691402.xml","form_type":"4"}},{"id":1100848,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-06-26T20:40:29.000Z","date":"2025-06-25","kind":"grant","planned":false,"acquired":true,"shares":115000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award made pursuant to Non-Employee Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":115000,"derivative":{"exercise_price":1.36,"expiration_date":"2035-06-24","underlying":"Common Stock","underlying_shares":115000},"source":{"system":"sec-edgar","filing":"0001728117-25-000061","document":"wk-form4_1750970422.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000172811725000061/wk-form4_1750970422.xml","form_type":"4"}},{"id":1488098,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Non-qualified stock option (Right to Buy)","published_at":"2024-06-07T01:57:48.000Z","date":"2024-06-06","kind":"grant","planned":false,"acquired":true,"shares":115000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award made pursuant to Non-Employee Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":115000,"derivative":{"exercise_price":0.6,"expiration_date":"2034-06-05","underlying":"Common Stock","underlying_shares":115000},"source":{"system":"sec-edgar","filing":"0001728117-24-000064","document":"wk-form4_1717725462.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000172811724000064/wk-form4_1717725462.xml","form_type":"4"}},{"id":1860114,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2023-06-09T20:13:48.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":35000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award made pursuant to Non-Employee Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":35000,"derivative":{"exercise_price":1.26,"expiration_date":"2033-06-07","underlying":"Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001728117-23-000079","document":"wf-form4_168634161664139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000172811723000079/wf-form4_168634161664139.xml","form_type":"4"}},{"id":2206808,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-07-15T21:15:31.000Z","date":"2022-06-09","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award made pursuant to Non-Employee Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer'sstockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":30000,"derivative":{"exercise_price":7.02,"expiration_date":"2032-06-08","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001728117-22-000076","document":"wf-form4_165791970616328.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000172811722000076/wf-form4_165791970616328.xml","form_type":"4"}},{"id":2218700,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-30T22:37:25.000Z","date":"2022-06-28","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option shall vest and become exercisable in full upon the earlier to occur of (a) June 28, 2023 or (b) the next annual meeting of the Issuer's stockholders."}],"balance_after":20000,"derivative":{"exercise_price":1.21,"expiration_date":"2032-06-27","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000899243-22-024676","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924322024676/doc4.xml","form_type":"4"}},{"id":2673435,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2021-06-10T23:54:20.000Z","date":"2021-06-09","kind":"grant","acquired":true,"shares":23500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":23500,"derivative":{"exercise_price":8.97,"expiration_date":"2031-06-08","underlying":"Common Stock","underlying_shares":23500},"source":{"system":"sec-edgar","filing":"0001728117-21-000064","document":"wf-form4_162336924416710.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000172811721000064/wf-form4_162336924416710.xml","form_type":"4"}},{"id":2683361,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2021-06-03T22:30:51.000Z","date":"2021-06-01","kind":"grant","acquired":true,"shares":18188,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option shall vest and become exercisable in full upon the earlier to occur of (a) June 1, 2022 or (b) the next annual meeting of the Issuer's stockholders."}],"balance_after":18188,"derivative":{"exercise_price":12.91,"expiration_date":"2031-05-31","underlying":"Common Stock","underlying_shares":18188},"source":{"system":"sec-edgar","filing":"0000899243-21-021838","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924321021838/doc4.xml","form_type":"4"}},{"id":2709997,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-05-17T21:08:20.000Z","date":"2021-05-12","kind":"grant","acquired":true,"shares":8300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Option vests on the earlier of (a) May 12, 2022 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."}],"balance_after":8300,"derivative":{"exercise_price":10.34,"expiration_date":"2031-05-12","underlying":"Common Stock","underlying_shares":8300},"source":{"system":"sec-edgar","filing":"0001192482-21-000441","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000119248221000441/edgar.xml","form_type":"4"}},{"id":3019683,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2020-09-30T18:12:23.000Z","date":"2020-09-29","kind":"grant","acquired":true,"shares":16600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Option was granted on July 16, 2020 subject to stockholder approval, which was obtained at the Company's special meeting of stockholders on September 29, 2020. The vesting commencement date for the option is July 16, 2020, and the option vests in equal monthly installments over 36 months, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date."}],"balance_after":16600,"derivative":{"exercise_price":11.9,"expiration_date":"2030-07-16","underlying":"Common Stock","underlying_shares":16600},"source":{"system":"sec-edgar","filing":"0001192482-20-000749","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000119248220000749/edgar.xml","form_type":"4"}},{"id":3105082,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2020-06-18T20:59:11.000Z","date":"2020-06-17","kind":"grant","acquired":true,"shares":23500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":23500,"derivative":{"exercise_price":12.1,"expiration_date":"2030-06-16","underlying":"Common Stock","underlying_shares":23500},"source":{"system":"sec-edgar","filing":"0001209191-20-037644","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919120037644/doc4.xml","form_type":"4"}},{"id":3116450,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2020-06-09T20:25:29.000Z","date":"2020-06-05","kind":"grant","acquired":true,"shares":18188,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option shall vest and become exercisable in full upon the earlier to occur of (a) June 5, 2021 or (b) the next annual meeting of the Issuer's stockholders."}],"balance_after":18188,"derivative":{"exercise_price":9.99,"expiration_date":"2030-06-04","underlying":"Common Stock","underlying_shares":18188},"source":{"system":"sec-edgar","filing":"0000899243-20-015796","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924320015796/doc4.xml","form_type":"4"}},{"id":3476735,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-06-27T23:35:51.000Z","date":"2019-06-26","kind":"grant","acquired":true,"shares":27000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These options were issued under the nonemployee director compensation policy and will vest in full upon the earlier of June 26, 2020 or the date of the 2020 annual meeting of stockholders, subject to the director's continued service on the board of directors, provided that, all shares shall become fully vested upon a change in control of the Company."}],"balance_after":27000,"derivative":{"exercise_price":1.25,"expiration_date":"2029-06-26","underlying":"Common Stock","underlying_shares":27000},"source":{"system":"sec-edgar","filing":"0000899243-19-018479","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924319018479/doc4.xml","form_type":"4"}},{"id":3493764,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2019-06-11T22:36:55.000Z","date":"2019-06-10","kind":"grant","acquired":true,"shares":23500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the\ngrant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board\nof directors of the Issuer through such vesting date."}],"balance_after":23500,"derivative":{"exercise_price":19.54,"expiration_date":"2029-06-09","underlying":"Common Stock","underlying_shares":23500},"source":{"system":"sec-edgar","filing":"0001209191-19-036219","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919119036219/doc4.xml","form_type":"4"}},{"id":3494326,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-06-11T21:06:44.000Z","date":"2019-06-07","kind":"grant","acquired":true,"shares":18188,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option shall vest and become exercisable in full upon the earlier to occur of (a) June 7, 2020 or (b) the next annual meeting of the Issuer's stockholders."}],"balance_after":18188,"derivative":{"exercise_price":13.4,"expiration_date":"2029-06-06","underlying":"Common Stock","underlying_shares":18188},"source":{"system":"sec-edgar","filing":"0000899243-19-016413","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924319016413/doc4.xml","form_type":"4"}},{"id":3662465,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Preferred Stock","published_at":"2019-02-12T22:38:57.000Z","date":"2019-02-12","kind":"exercise","acquired":false,"shares":171429,"ownership":{"direct":false,"nature":"By family trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":38095},"source":{"system":"sec-edgar","filing":"0001209191-19-009449","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919119009449/doc4.xml","form_type":"4"}},{"id":3662464,"issuer":{"id":6928,"kind":"organization","name":"Gossamer Bio, Inc.","symbol":"GOSS"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-02-12T22:38:57.000Z","date":"2019-02-12","kind":"exercise","acquired":true,"shares":38095,"ownership":{"direct":false,"nature":"By family trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date."}],"balance_after":38095,"source":{"system":"sec-edgar","filing":"0001209191-19-009449","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919119009449/doc4.xml","form_type":"4"}},{"id":3685164,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-01-29T00:00:29.000Z","date":"2019-01-24","kind":"grant","acquired":true,"shares":13280,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option was issued in lieu of cash fees under the Non-Employee Director Compensation Policy pursuant to a Non-Qualified Stock Option Agreement and shall vest over a period of one year starting January 1, 2019 on a quarterly basis in arrears."}],"balance_after":13280,"derivative":{"exercise_price":4.38,"expiration_date":"2029-01-24","underlying":"Common Stock","underlying_shares":13280},"source":{"system":"sec-edgar","filing":"0000899243-19-002062","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924319002062/doc4.xml","form_type":"4"}},{"id":3882370,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Preferred Stock","published_at":"2018-06-27T20:34:03.000Z","date":"2018-06-25","kind":"exercise","acquired":false,"shares":30028,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":11620},"source":{"system":"sec-edgar","filing":"0000899243-18-018338","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924318018338/doc4.xml","form_type":"4"}},{"id":3882369,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Preferred Stock","published_at":"2018-06-27T20:34:03.000Z","date":"2018-06-25","kind":"exercise","acquired":false,"shares":33350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":12907},"source":{"system":"sec-edgar","filing":"0000899243-18-018338","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924318018338/doc4.xml","form_type":"4"}},{"id":3882368,"issuer":{"id":1813,"kind":"organization","name":"Dianthus Therapeutics, Inc. /DE/","symbol":"DNTH"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-27T20:34:03.000Z","date":"2018-06-25","kind":"exercise","acquired":true,"shares":24527,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series A Preferred Stock and Series B Preferred Stock (collectively, the \"Preferred Stock\") converted into Common Stock on a 2.58398:1 basis upon the closing of the Issuer's initial public offering on June 25, 2018. The Preferred Stock had no expiration date."}],"balance_after":101926,"source":{"system":"sec-edgar","filing":"0000899243-18-018338","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690585/000089924318018338/doc4.xml","form_type":"4"}},{"id":3901277,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2018-06-07T21:34:07.000Z","date":"2018-06-06","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These options were issued under the nonemployee director compensation policy and will vest in full upon the earlier of June 6, 2019 or the date of the 2019 annual meeting of stockholders, subject to the director's continued service on the board of directors, provided that, all shares shall become fully vested upon a change in control of the Company."}],"balance_after":20000,"derivative":{"exercise_price":6.79,"expiration_date":"2028-06-06","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000899243-18-015551","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924318015551/doc4.xml","form_type":"4"}},{"id":4007590,"issuer":{"id":168572,"kind":"organization","name":"Juno Therapeutics, Inc.","symbol":"JUNO"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Director Stock Option (Right to Buy)","published_at":"2018-03-07T23:17:02.000Z","date":"2018-03-05","kind":"disposition_to_issuer","acquired":false,"shares":12000,"price":63.71,"value":764520.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"On January 21, 2018, Juno Therapeutics, Inc. (the \"Company\"), entered into an Agreement and Plan of Merger (the \"Merger Agreement\") with Celgene Corporation (\"Parent\"), and Blue Magpie Corporation, a wholly owned subsidiary of Parent (\"Purchaser\"). On March 5, 2018, Purchaser irrevocably accepted for payment and  promptly paid for, all shares of common stock validly tendered and not validly withdrawn pursuant to the Offer (as defined in the Merger Agreement). On March 6, 2018, Purchaser merged with and into the Company pursuant to Section 251(h) of the General Corporation Law of the State of Delaware, with the Company being the surviving corporation (the \"Merger\") and becoming a wholly-owned subsidiary of Parent."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In accordance with their terms, Options held by non-employee directors were converted into the right to receive an amount in cash equal to the product of (i) the number of shares of common stock subject to such Option and (ii) $87.00 less the applicable exercise price."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"In accordance with their terms, Options held by non-employee directors were converted into the right to receive an amount in cash equal to the product of (i) the number of shares of common stock subject to such Option and (ii) $87.00 less the applicable exercise price."}],"balance_after":0,"derivative":{"exercise_price":23.29,"expiration_date":"2027-06-15","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-18-017805","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919118017805/doc4.xml","form_type":"4"}},{"id":4105124,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-05T22:02:12.000Z","date":"2018-01-03","kind":"grant","acquired":true,"shares":8687,"price":5.18,"value":44998.66,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The common stock was issued in lieu of cash fees under the Non-Employee Director Compensation Policy pursuant to a Restricted Stock Agreement and the restrictions lapse over a period of one year starting January 1, 2018 on quarterly basis in arrears."}],"balance_after":19452,"source":{"system":"sec-edgar","filing":"0000899243-18-000596","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924318000596/doc4.xml","form_type":"4"}},{"id":4273252,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-06-23T20:13:19.000Z","date":"2017-06-21","kind":"grant","acquired":true,"shares":14500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These options were issued under the nonemployee director compensation policy and will vest in full upon the earlier of June 21, 2018 or the date of the 2018 annual meeting of stockholders, subject to the director's continued service on the board of directors."}],"balance_after":14500,"derivative":{"exercise_price":3.95,"expiration_date":"2027-06-21","underlying":"Common Stock","underlying_shares":14500},"source":{"system":"sec-edgar","filing":"0000899243-17-017085","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924317017085/doc4.xml","form_type":"4"}},{"id":4277021,"issuer":{"id":168572,"kind":"organization","name":"Juno Therapeutics, Inc.","symbol":"JUNO"},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-06-19T20:33:55.000Z","date":"2017-06-16","kind":"grant","acquired":true,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"100% of the shares subject to the option become vested and exercisable on the earlier of (i) the date of the 2018 Annual Meeting of Stockholders and (ii) the first anniversary of the grant date, in either event, subject to the director continuing to be a Service Provider (as defined in the 2014 Equity Incentive Plan) through such date."}],"balance_after":12000,"derivative":{"exercise_price":23.29,"expiration_date":"2027-06-15","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-17-040840","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1538894/000120919117040840/doc4.xml","form_type":"4"}},{"id":4448136,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":40813,"kind":"person","name":"Daniel Thomas O","position":1,"cik":"0001538894","reported_name":"Daniel Thomas O","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-02-15T01:14:19.000Z","date":"2017-02-13","kind":"grant","acquired":true,"shares":10765,"price":4.18,"value":44997.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The common stock was issued in lieu of cash fees under the Non-Employee Director Compensation Policy pursuant to a Restricted Stock Agreement and the restrictions lapse over a period of one year starting January 1, 2017 on quarterly basis in arrears."}],"balance_after":10765,"source":{"system":"sec-edgar","filing":"0000899243-17-004099","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000089924317004099/doc4.xml","form_type":"4"}}]}