{"transactions":[{"id":746091,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-08T21:41:14.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":10957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,957 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":54258,"source":{"system":"sec-edgar","filing":"0001296771-26-000005","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000129677126000005/primarydocument.xml","form_type":"4"}},{"id":769830,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-20T20:05:09.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":20,"price":34.05,"value":681.0,"ownership":{"direct":true},"balance_after":83952,"source":{"system":"sec-edgar","filing":"0001296771-26-000004","document":"form4-05202026_040501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000129677126000004/form4-05202026_040501.xml","form_type":"4"}},{"id":774741,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Purchase)","published_at":"2026-05-18T20:15:22.000Z","date":"2026-05-15","kind":"exercise","planned":false,"acquired":false,"shares":8700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":16.49,"expiration_date":"2026-06-09","underlying":"Common Stock","underlying_shares":8700},"source":{"system":"sec-edgar","filing":"0001296771-26-000002","document":"form4-05182026_040512.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000129677126000002/form4-05182026_040512.xml","form_type":"4"}},{"id":774740,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T20:15:22.000Z","date":"2026-05-15","kind":"sale","planned":false,"acquired":false,"shares":4127,"price":34.54,"value":142546.58,"ownership":{"direct":true},"balance_after":83972,"source":{"system":"sec-edgar","filing":"0001296771-26-000002","document":"form4-05182026_040512.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000129677126000002/form4-05182026_040512.xml","form_type":"4"}},{"id":774739,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T20:15:22.000Z","date":"2026-05-15","kind":"exercise","planned":false,"acquired":true,"shares":8700,"price":16.49,"value":143463.0,"ownership":{"direct":true},"balance_after":88099,"source":{"system":"sec-edgar","filing":"0001296771-26-000002","document":"form4-05182026_040512.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000129677126000002/form4-05182026_040512.xml","form_type":"4"}},{"id":774738,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T20:15:22.000Z","date":"2026-05-14","kind":"grant","planned":false,"acquired":true,"shares":8741,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the grant of restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock."}],"balance_after":79399,"source":{"system":"sec-edgar","filing":"0001296771-26-000002","document":"form4-05182026_040512.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000129677126000002/form4-05182026_040512.xml","form_type":"4"}},{"id":1068765,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-12T21:18:53.000Z","date":"2025-08-08","kind":"sale","planned":false,"acquired":false,"shares":11659,"price":34.3632,"value":400640.5488,"ownership":{"direct":false,"nature":"By: John Freund Family Partnership IV, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.27 to $34.535, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held by the John Freund Family Partnership IV, L.P. (\"Freund LP\"). The Reporting Person is the trustee and beneficiary of the The John G. Freund Revocable Trust u/a/d 6/26/01 which serves as the general partner of Freund LP. The Reporting Person disclaims beneficial ownership of the shares held by Freund LP except to the extent of his proportionate pecuniary interest therein."}],"balance_after":23129,"source":{"system":"sec-edgar","filing":"0001062993-25-014202","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299325014202/form4.xml","form_type":"4"}},{"id":1070062,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-11T22:09:34.000Z","date":"2025-08-08","kind":"sale","planned":false,"acquired":false,"shares":12132,"price":15.9906,"value":193997.9592,"ownership":{"direct":false,"nature":"By John Freund Family Partnership IV, L.P"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $15.80 USD to $16.3950 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by John Freund Family Partnership IV, L.P. (\"Family LP\"). Reporting Person, a member of Issuer's board of directors, is a general partner of Family LP and may be deemed to have voting and investment power with respect to the securities held by Family LP. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":91767,"source":{"system":"sec-edgar","filing":"0001562180-25-005706","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218025005706/primarydocument.xml","form_type":"4"}},{"id":1114781,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Purchase)","published_at":"2025-06-11T21:04:15.000Z","date":"2025-06-09","kind":"exercise","planned":false,"acquired":false,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":13.45,"expiration_date":"2025-09-10","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001062993-25-011425","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299325011425/form4.xml","form_type":"4"}},{"id":1114780,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-11T21:04:15.000Z","date":"2025-06-09","kind":"sale","planned":false,"acquired":false,"shares":6601,"price":30.624,"value":202149.024,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $30.62 to $30.628, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":70658,"source":{"system":"sec-edgar","filing":"0001062993-25-011425","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299325011425/form4.xml","form_type":"4"}},{"id":1114779,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-11T21:04:15.000Z","date":"2025-06-09","kind":"exercise","planned":false,"acquired":true,"shares":15000,"price":13.45,"value":201750.0,"ownership":{"direct":true},"balance_after":77259,"source":{"system":"sec-edgar","filing":"0001062993-25-011425","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299325011425/form4.xml","form_type":"4"}},{"id":1119509,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-06T23:44:14.000Z","date":"2025-06-05","kind":"grant","planned":false,"acquired":true,"shares":8675,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,675 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":43301,"source":{"system":"sec-edgar","filing":"0001562180-25-004608","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218025004608/primarydocument.xml","form_type":"4"}},{"id":1142393,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-19T21:42:13.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":9791,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 15, 2026, or the date of the Issuer's 2026 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock."}],"balance_after":62259,"source":{"system":"sec-edgar","filing":"0001062993-25-009806","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299325009806/form4.xml","form_type":"4"}},{"id":1468074,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-27T21:52:40.000Z","date":"2024-06-26","kind":"grant","planned":false,"acquired":true,"shares":8791,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a\ncontingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier\nof (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,791 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit\nrepresents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":34626,"source":{"system":"sec-edgar","filing":"0001562180-24-005334","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218024005334/primarydocument.xml","form_type":"4"}},{"id":1484710,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-06-10T20:21:11.000Z","date":"2024-06-06","kind":"grant","planned":false,"acquired":true,"shares":35000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 8.33% of the total award monthly, commencing July 6, 2024, with 100% of the award vested and exercisable on the earlier of the date of the issuer's 2025 annual stockholders meeting or June 6, 2025, subject to the reporting person's provision of service to the issuer on each vesting date."}],"balance_after":35000,"derivative":{"exercise_price":3.76,"expiration_date":"2034-06-06","underlying":"Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001415889-24-016209","document":"form4-06102024_080606.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000141588924016209/form4-06102024_080606.xml","form_type":"4"}},{"id":1514059,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-16T23:22:42.000Z","date":"2024-05-16","kind":"grant","planned":false,"acquired":true,"shares":7693,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on May 16, 2025, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock."}],"balance_after":52468,"source":{"system":"sec-edgar","filing":"0001062993-24-010540","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299324010540/form4.xml","form_type":"4"}},{"id":1809847,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-08-11T20:24:22.000Z","date":"2023-08-09","kind":"sale","planned":false,"acquired":false,"shares":30000,"price":20.5399,"value":616197.0,"ownership":{"direct":false,"nature":"By John Freund Family Partnership IV, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.09 to $21.13, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by John Freund Family Partnership IV, L.P. (\"Family LP\"). Reporting Person, a member of Issuer's board of directors, is a general partner of Family LP and may be deemed to have voting and investment power with respect to the securities held by Family LP. Reporting  Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":103899,"source":{"system":"sec-edgar","filing":"0001562180-23-006298","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218023006298/primarydocument.xml","form_type":"4"}},{"id":1857153,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-13T20:26:21.000Z","date":"2023-06-09","kind":"grant","planned":false,"acquired":true,"shares":4866,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 4,866 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit\nrepresents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":25835,"source":{"system":"sec-edgar","filing":"0001562180-23-005109","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218023005109/primarydocument.xml","form_type":"4"}},{"id":1858582,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-06-12T22:32:24.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 8.33% of the total shares monthly, commencing July 8, 2023, with 100% of the total shares vested and exercisable on the earlier of the issuer's 2024 annual stockholders meeting or June 8, 2024, subject to the reporting person's provision of service to the issuer on each vesting date."}],"balance_after":25000,"derivative":{"exercise_price":5.12,"expiration_date":"2033-06-08","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001209191-23-036467","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919123036467/doc4.xml","form_type":"4"}},{"id":1884356,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-19T20:39:30.000Z","date":"2023-05-18","kind":"grant","planned":false,"acquired":true,"shares":9792,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest on May 18, 2024, subject to the director's continued service with the issuer. The restricted stock units will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the issuer, in shares of the issuer's common stock."}],"balance_after":44775,"source":{"system":"sec-edgar","filing":"0001062993-23-011817","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299323011817/form4.xml","form_type":"4"}},{"id":2225313,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-21T20:05:07.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":8324,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,324 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit\nrepresents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":20969,"source":{"system":"sec-edgar","filing":"0001562180-22-005236","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218022005236/primarydocument.xml","form_type":"4"}},{"id":2238948,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-06-08T23:01:05.000Z","date":"2022-06-06","kind":"grant","acquired":true,"shares":18500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 8.33% of the total shares monthly, commencing July 6, 2022, with 100% of the total shares vested and exercisable on the earlier of the issuer's 2023 annual stockholders meeting or June 6, 2023,  subject to the reporting person's provision of service to the issuer on each vesting date."}],"balance_after":18500,"derivative":{"exercise_price":4.44,"expiration_date":"2032-06-05","underlying":"Common Stock","underlying_shares":18500},"source":{"system":"sec-edgar","filing":"0001209191-22-035205","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919122035205/doc4.xml","form_type":"4"}},{"id":2259792,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-23T20:44:00.000Z","date":"2022-05-19","kind":"grant","acquired":true,"shares":14035,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest on May 19, 2023, subject to the director's continued service with the issuer. The restricted stock units will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the issuer, in shares of the issuer's common stock."}],"balance_after":34983,"source":{"system":"sec-edgar","filing":"0001062993-22-013302","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000106299322013302/form4.xml","form_type":"4"}},{"id":2666185,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-16T21:49:29.000Z","date":"2021-06-16","kind":"sale","acquired":false,"shares":12591,"price":31.4055,"value":395426.6505,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $30.84 to $31.96, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":331366,"source":{"system":"sec-edgar","filing":"0001562180-21-004319","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021004319/primarydocument.xml","form_type":"4"}},{"id":2666184,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-16T21:49:29.000Z","date":"2021-06-15","kind":"sale","acquired":false,"shares":21511,"price":31.1067,"value":669136.2237,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $30.74 to $31.75, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."}],"balance_after":343957,"source":{"system":"sec-edgar","filing":"0001562180-21-004319","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021004319/primarydocument.xml","form_type":"4"}},{"id":2666183,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-16T21:49:29.000Z","date":"2021-06-14","kind":"sale","acquired":false,"shares":17990,"price":31.2806,"value":562737.994,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $31.09 to $31.65, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."}],"balance_after":365468,"source":{"system":"sec-edgar","filing":"0001562180-21-004319","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021004319/primarydocument.xml","form_type":"4"}},{"id":2670096,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-14T21:41:31.000Z","date":"2021-06-10","kind":"grant","acquired":true,"shares":3848,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a\ncontingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will be vesting 100% upon\nthe earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting\nCommencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such\ndate."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,848 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit\nrepresents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":12645,"source":{"system":"sec-edgar","filing":"0001562180-21-004257","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021004257/primarydocument.xml","form_type":"4"}},{"id":2679091,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-06-07T21:02:58.000Z","date":"2021-06-03","kind":"grant","acquired":true,"shares":18500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 8.33% of the total shares monthly, commencing July 3, 2021, with 100% of the total shares vested and exercisable on the earlier of the issuer's 2022 annual stockholders meeting or June 3, 2022,  subject to the reporting person's provision of service to the issuer on each vesting date."}],"balance_after":18500,"derivative":{"exercise_price":18.21,"expiration_date":"2031-06-02","underlying":"Common Stock","underlying_shares":18500},"source":{"system":"sec-edgar","filing":"0001209191-21-038680","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919121038680/doc4.xml","form_type":"4"}},{"id":2688856,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-01T21:33:50.000Z","date":"2021-05-28","kind":"sale","acquired":false,"shares":45220,"price":30.0629,"value":1359444.338,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $29.67  to $30.99, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":383458,"source":{"system":"sec-edgar","filing":"0001562180-21-003880","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003880/primarydocument.xml","form_type":"4"}},{"id":2688855,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-01T21:33:50.000Z","date":"2021-05-27","kind":"sale","acquired":false,"shares":26367,"price":30.9297,"value":815523.3999,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $30.43 to $31.76, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":428678,"source":{"system":"sec-edgar","filing":"0001562180-21-003880","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003880/primarydocument.xml","form_type":"4"}},{"id":2695038,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-26T23:49:39.000Z","date":"2021-05-26","kind":"sale","acquired":false,"shares":17138,"price":31.8493,"value":545833.3034,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $31.55 to $32.00, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":455045,"source":{"system":"sec-edgar","filing":"0001562180-21-003755","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003755/primarydocument.xml","form_type":"4"}},{"id":2695037,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-26T23:49:39.000Z","date":"2021-05-25","kind":"sale","acquired":false,"shares":1696,"price":32.5452,"value":55196.6592,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $32.50 to $32.70, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":472183,"source":{"system":"sec-edgar","filing":"0001562180-21-003755","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003755/primarydocument.xml","form_type":"4"}},{"id":2695036,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-26T23:49:39.000Z","date":"2021-05-24","kind":"sale","acquired":false,"shares":200,"price":32.76,"value":6552.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $32.75 to $32.77, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":473879,"source":{"system":"sec-edgar","filing":"0001562180-21-003755","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003755/primarydocument.xml","form_type":"4"}},{"id":2695035,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-26T23:49:39.000Z","date":"2021-05-24","kind":"sale","acquired":false,"shares":50827,"price":32.5409,"value":1653956.3243,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $32.50 to $32.65, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these\nfootnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":474079,"source":{"system":"sec-edgar","filing":"0001562180-21-003755","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021003755/primarydocument.xml","form_type":"4"}},{"id":2698660,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-24T21:34:20.000Z","date":"2021-05-20","kind":"grant","acquired":true,"shares":9941,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest on May 20, 2022, subject to the director's continued service with the issuer. The restricted stock units will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the issuer, in shares of the issuer's common stock."}],"balance_after":20948,"source":{"system":"sec-edgar","filing":"0001192482-21-000460","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248221000460/edgar.xml","form_type":"4"}},{"id":2779047,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-03-18T22:25:36.000Z","date":"2021-03-17","kind":"sale","acquired":false,"shares":600000,"price":30.25,"value":18150000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing\ndirector of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. 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The shares were sold in multiple transactions ranging from $30.11 to $32.19, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing\ndirector of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. 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The shares were sold in multiple transactions ranging from $30.01 to $31.07, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing\ndirector of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. 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Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. 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Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":1327046,"source":{"system":"sec-edgar","filing":"0001562180-21-002250","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021002250/primarydocument.xml","form_type":"4"}},{"id":2789115,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-03-15T22:35:07.000Z","date":"2021-03-11","kind":"sale","acquired":false,"shares":63928,"price":31.0465,"value":1984740.652,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have\nvoting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":1418118,"source":{"system":"sec-edgar","filing":"0001562180-21-002250","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218021002250/primarydocument.xml","form_type":"4"}},{"id":2946316,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-14T23:40:15.000Z","date":"2020-12-10","kind":"other","acquired":true,"shares":56327,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares reported on this form represent pro rata distributions, and not sales or purchases, of securities by the reporting entity to its partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held of record by the John Freund Family Partnership IV, L.P."}],"balance_after":56327,"source":{"system":"sec-edgar","filing":"0001209191-20-063314","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120063314/doc4.xml","form_type":"4"}},{"id":2946315,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-14T23:40:15.000Z","date":"2020-12-10","kind":"other","acquired":false,"shares":118735,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Skyline Venture Management V, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares reported on this form represent pro rata distributions, and not sales or purchases, of securities by the reporting entity to its partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held of record by Skyline Venture Management V, LLC (\"Skyline Management\"), of which the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors, and each may be deemed to share voting and investment power over the securities held by Skyline Management. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-063314","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120063314/doc4.xml","form_type":"4"}},{"id":2956532,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-05T01:35:02.000Z","date":"2020-12-03","kind":"sale","acquired":false,"shares":47886,"price":23.393,"value":1120197.198,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $22.95 to $23.6950, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects a previous pro rata distribution by Skyline Venture Partners V, L.P. (\"SVP V\") of 500,000 shares, for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting\nand investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director\nof LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims\nbeneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":1482046,"source":{"system":"sec-edgar","filing":"0001562180-20-007090","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218020007090/primarydocument.xml","form_type":"4"}},{"id":2956531,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-05T01:35:02.000Z","date":"2020-12-02","kind":"sale","acquired":false,"shares":100000,"price":23.2848,"value":2328480.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $22.45 to $23.43, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by SVP V. Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting\nand investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's board of directors, is a managing director\nof LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Reporting Person disclaims\nbeneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":1529932,"source":{"system":"sec-edgar","filing":"0001562180-20-007090","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218020007090/primarydocument.xml","form_type":"4"}},{"id":2983203,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-11-12T21:59:45.000Z","date":"2020-11-09","kind":"other","acquired":true,"shares":118735,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Skyline Venture Management V, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares reported on this form represent pro rata distributions, and not sales or purchases, of securities by the reporting entity to its partners\nfor which it acts as nominee without consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These securities are held of record by Skyline Management, of which the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors, and each may be deemed to share voting and investment power over the securities held by Skyline Management. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":118735,"source":{"system":"sec-edgar","filing":"0001209191-20-057999","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120057999/doc4.xml","form_type":"4"}},{"id":2983202,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-11-12T21:59:45.000Z","date":"2020-11-09","kind":"other","acquired":false,"shares":560053,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares reported on this form represent pro rata distributions, and not sales or purchases, of securities by the reporting entity to its partners\nfor which it acts as nominee without consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are held of record by Skyline Venture Partners V, L.P. (\"Skyline L.P.\").  Skyline Venture Management V, LLC (\"Skyline Management\") is the general partner of Skyline L.P.  the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors of Skyline Management, and each may be deemed to share voting and investment power over the securities held by Skyline L.P.  The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-057999","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120057999/doc4.xml","form_type":"4"}},{"id":3002833,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-10-20T22:27:50.000Z","date":"2020-10-19","kind":"sale","acquired":false,"shares":190053,"price":22,"value":4181166.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold in conjunction with the Issuer's public offering of common stock announced on October 14, 2020."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as\nsuch may be deemed to have voting and investment power with respect to the securities of SVP V. Reporting Person, a member of Issuer's\nboard of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by\nSVP V. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":2129932,"source":{"system":"sec-edgar","filing":"0001562180-20-006399","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218020006399/primarydocument.xml","form_type":"4"}},{"id":3024861,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-22T20:56:55.000Z","date":"2020-09-18","kind":"sale","acquired":false,"shares":400000,"price":12,"value":4800000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These securities are held of record by Skyline Venture Partners V, L.P. (\"Skyline L.P.\").  Skyline Venture Management V, LLC (\"Skyline Management\") is the general partner of Skyline L.P.  the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors of Skyline Management, and each may be deemed to share voting and investment power over the securities held by Skyline L.P.  The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":560053,"source":{"system":"sec-edgar","filing":"0001209191-20-051490","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120051490/doc4.xml","form_type":"4"}},{"id":3031211,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-15T21:15:52.000Z","date":"2020-09-11","kind":"sale","acquired":false,"shares":500000,"price":10,"value":5000000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These securities are held of record by Skyline Venture Partners V, L.P. (\"Skyline L.P.\").  Skyline Venture Management V, LLC (\"Skyline Management\") is the general partner of Skyline L.P.  the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors of Skyline Management, and each may be deemed to share voting and investment power over the securities held by Skyline L.P.  The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":960053,"source":{"system":"sec-edgar","filing":"0001209191-20-050511","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120050511/doc4.xml","form_type":"4"}},{"id":3049776,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-08-21T21:18:21.000Z","date":"2020-08-19","kind":"sale","acquired":false,"shares":500000,"price":8.72,"value":4360000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These securities are held of record by Skyline Venture Partners V, L.P. (\"Skyline L.P.\").  Skyline Venture Management V, LLC (\"Skyline Management\") is the general partner of Skyline L.P.  the reporting person, a member of the issuer's board of directors, together with Yasunori Kaneko, are the managing directors of Skyline Management, and each may be deemed to share voting and investment power over the securities held by Skyline L.P.  The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":1460053,"source":{"system":"sec-edgar","filing":"0001209191-20-047981","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120047981/doc4.xml","form_type":"4"}},{"id":3057210,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":147193,"kind":"organization","name":"Skyline Venture Partners V LP","position":1,"cik":"0001419187","reported_name":"Skyline Venture Partners V LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":40449,"kind":"person","name":"Freund John Gordon","position":2,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":147194,"kind":"organization","name":"Skyline Venture Management V, LLC","position":3,"cik":"0001434887","reported_name":"Skyline Venture Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-08-14T22:27:13.000Z","date":"2020-01-27","kind":"sale","acquired":false,"shares":1000000,"price":21.5,"value":21500000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares are sold in the conjunction with SI-BONE, INC's public offering of common stock announced on January 21st, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. Although each of SVP V and LLC have ceased to be subject to the reporting requirements of Section 16 as a result of this sale of shares and the public offering, Dr. Freund is a director of SI-BONE, Inc. and, accordingly, remains subject to the reporting requirements of Section 16."}],"balance_after":2819985,"source":{"system":"sec-edgar","filing":"0001562180-20-005448","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218020005448/primarydocument.xml","form_type":"4"}},{"id":3105416,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-06-18T22:23:52.000Z","date":"2020-06-16","kind":"grant","acquired":true,"shares":8797,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a\ncontingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,797 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":8797,"source":{"system":"sec-edgar","filing":"0001562180-20-004584","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218020004584/primarydocument.xml","form_type":"4"}},{"id":3118480,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2020-06-08T21:26:09.000Z","date":"2020-06-05","kind":"grant","acquired":true,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option is fully vested on June 5, 2021, subject to the reporting person's provision of service to the issuer on the vesting date."}],"balance_after":12000,"derivative":{"exercise_price":9.83,"expiration_date":"2030-06-04","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-20-035027","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919120035027/doc4.xml","form_type":"4"}},{"id":3136949,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Purchase)","published_at":"2020-05-22T20:23:50.000Z","date":"2020-05-20","kind":"grant","acquired":true,"shares":8095,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests and becomes exercisable on May 20, 2021, subject to the director's continued service with the issuer."}],"balance_after":8095,"derivative":{"exercise_price":22.05,"expiration_date":"2030-05-20","underlying":"Common Stock","underlying_shares":8095},"source":{"system":"sec-edgar","filing":"0001192482-20-000365","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248220000365/edgar.xml","form_type":"4"}},{"id":3136948,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-22T20:23:50.000Z","date":"2020-05-20","kind":"grant","acquired":true,"shares":4047,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest on May 20, 2021, subject to the director's continued service with the issuer. The restricted stock units will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the issuer, in shares of the issuer's common stock."}],"balance_after":11007,"source":{"system":"sec-edgar","filing":"0001192482-20-000365","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248220000365/edgar.xml","form_type":"4"}},{"id":3343537,"issuer":{"id":147285,"kind":"organization","name":"TETRAPHASE PHARMACEUTICALS INC","symbol":"TTPH"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-13T02:35:07.000Z","date":"2019-12-10","kind":"sale","acquired":false,"shares":524,"price":2.19,"value":1147.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The numbers of shares of common stock reported on this Form 4 reflects a 1-for-20 reverse stock split effected on September 26, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $2.10 to $2.25 per share. The reporting person hereby undertakes, upon request of the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-060298","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919119060298/doc4.xml","form_type":"4"}},{"id":3343536,"issuer":{"id":147285,"kind":"organization","name":"TETRAPHASE PHARMACEUTICALS INC","symbol":"TTPH"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-13T02:35:07.000Z","date":"2019-12-10","kind":"sale","acquired":false,"shares":14507,"price":2.19,"value":31770.33,"ownership":{"direct":false,"nature":"By Skyline Venture Management IV, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The numbers of shares of common stock reported on this Form 4 reflects a 1-for-20 reverse stock split effected on September 26, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $2.10 to $2.25 per share. The reporting person hereby undertakes, upon request of the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares are held by Skyline Venture Partners Qualified Purchaser Fund IV, L.P. (\"SVP IV\"). The reporting person is a member of Skyline Venture Management IV, LLC, which serves as the sole general partner of SVP IV, and may be deemed to share voting and dispositive power over the shares held by SVP IV. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-060298","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000120919119060298/doc4.xml","form_type":"4"}},{"id":3352379,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-04T22:26:50.000Z","date":"2019-12-02","kind":"other","acquired":true,"shares":8625,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By: Skyline Venture Management V LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to Dr. Freund."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by Skyline Venture Management V, LLC. See footnote (2)."}],"balance_after":8625,"source":{"system":"sec-edgar","filing":"0001192482-19-000463","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248219000463/edgar.xml","form_type":"4"}},{"id":3352378,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-04T22:26:50.000Z","date":"2019-12-02","kind":"other","acquired":false,"shares":574916,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By: Skyline Venture Partners V, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to its limited and general partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares were held by Skyline Venture Partners V, L.P. The general partner of Skyline Venture Partners V, L.P. is Skyline Venture Management V, LLC. John G. Freund and Yasunori Kaneko are managers of Skyline Venture Management V, LLC. These individuals share voting and investment power over the shares held by Skyline Venture Management, LLC. Dr. Freund disclaims beneficial ownership of all the shares held by Skyline Venture Partners V, L.P. except to the extent of his proportionate pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001192482-19-000463","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248219000463/edgar.xml","form_type":"4"}},{"id":3371118,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-14T21:12:50.000Z","date":"2019-11-12","kind":"other","acquired":true,"shares":8423,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By: John Freund Family Partnership IV, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the John Freund Family Partnership IV, L.P. (\"Freund LP\"). The reporting person is the trustee and beneficiary of the The John G. Freund Revocable Trust u/a/d 6/26/01 which serves as the general partner of Freund LP. The reporting person disclaims beneficial ownership of the shares held by Freund LP except to the extent of his proportionate pecuniary interest therein."}],"balance_after":34788,"source":{"system":"sec-edgar","filing":"0001192482-19-000438","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248219000438/edgar.xml","form_type":"4"}},{"id":3371117,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-14T21:12:50.000Z","date":"2019-11-12","kind":"other","acquired":false,"shares":575000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By: Skyline Venture Partners V, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to its limited and general partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held by Skyline Venture Partners V, L.P. The general partner of Skyline Venture Partners V, L.P. is Skyline Venture Management V, LLC. John G. Freund and Yasunori Kaneko are managers of Skyline Venture Management V, LLC. These individuals share voting and investment power over the shares held by Skyline Venture Management, LLC. Dr. Freund disclaims beneficial ownership of all the shares held by Skyline Venture Partners V, L.P. except to the extent of his proportionate pecuniary interest therein."}],"balance_after":574916,"source":{"system":"sec-edgar","filing":"0001192482-19-000438","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248219000438/edgar.xml","form_type":"4"}},{"id":3374285,"issuer":{"id":6203,"kind":"organization","name":"Protara Therapeutics, Inc."},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Convertible Preferred Stock","published_at":"2019-11-12T22:00:27.000Z","date":"2019-11-08","kind":"exercise","acquired":false,"shares":700,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares of Series A Convertible Preferred Stock (the \"Series A Stock\") are exercisable at any time at the option of the holder into Proteon Therapeutics Inc. common stock, $0.001 par value per share (the \"Common Stock\"), at a price per share equal to $0.9949. The Series A Stock has no expiration date and contains a provision prohibiting conversion to the extent that upon conversion the holder, together with its affiliates and any \"group\" members, would beneficially own in excess of 9.985% of the number of shares of Common Stock then outstanding."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 8, 2019, Skyline Venture Partners Qualified Purchaser Fund IV, LP. (\"Skyline\") converted 700 shares of Series A Stock, resulting in the issuance to Skyline of 703,558588 shares of Common Stock. The reporting person is a Managing Director of Skyline Venture Management IV, LLC, the sole general partner of Skyline, and may be deemed to share voting and dispositive power over the shares held by Skyline. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person or any other person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares of Series A Convertible Preferred Stock (the \"Series A Stock\") are exercisable at any time at the option of the holder into Proteon Therapeutics Inc. common stock, $0.001 par value per share (the \"Common Stock\"), at a price per share equal to $0.9949. The Series A Stock has no expiration date and contains a provision prohibiting conversion to the extent that upon conversion the holder, together with its affiliates and any \"group\" members, would beneficially own in excess of 9.985% of the number of shares of Common Stock then outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares of Series A Convertible Preferred Stock (the \"Series A Stock\") are exercisable at any time at the option of the holder into Proteon Therapeutics Inc. common stock, $0.001 par value per share (the \"Common Stock\"), at a price per share equal to $0.9949. The Series A Stock has no expiration date and contains a provision prohibiting conversion to the extent that upon conversion the holder, together with its affiliates and any \"group\" members, would beneficially own in excess of 9.985% of the number of shares of Common Stock then outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On November 8, 2019, Skyline Venture Partners Qualified Purchaser Fund IV, LP. (\"Skyline\") converted 700 shares of Series A Stock, resulting in the issuance to Skyline of 703,558588 shares of Common Stock. The reporting person is a Managing Director of Skyline Venture Management IV, LLC, the sole general partner of Skyline, and may be deemed to share voting and dispositive power over the shares held by Skyline. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person or any other person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The shares of Series A Convertible Preferred Stock (the \"Series A Stock\") are exercisable at any time at the option of the holder into Proteon Therapeutics Inc. common stock, $0.001 par value per share (the \"Common Stock\"), at a price per share equal to $0.9949. The Series A Stock has no expiration date and contains a provision prohibiting conversion to the extent that upon conversion the holder, together with its affiliates and any \"group\" members, would beneficially own in excess of 9.985% of the number of shares of Common Stock then outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"On November 8, 2019, Skyline Venture Partners Qualified Purchaser Fund IV, LP. (\"Skyline\") converted 700 shares of Series A Stock, resulting in the issuance to Skyline of 703,558588 shares of Common Stock. The reporting person is a Managing Director of Skyline Venture Management IV, LLC, the sole general partner of Skyline, and may be deemed to share voting and dispositive power over the shares held by Skyline. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person or any other person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":354,"derivative":{"exercise_price":0.9949,"underlying":"Common Stock","underlying_shares":703588},"source":{"system":"sec-edgar","filing":"0001171843-19-007468","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000117184319007468/ownership.xml","form_type":"4"}},{"id":3374284,"issuer":{"id":6203,"kind":"organization","name":"Protara Therapeutics, Inc."},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-12T22:00:27.000Z","date":"2019-11-08","kind":"exercise","acquired":true,"shares":703588,"price":0.9949,"value":699999.7012,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares of Series A Convertible Preferred Stock (the \"Series A Stock\") are exercisable at any time at the option of the holder into Proteon Therapeutics Inc. common stock, $0.001 par value per share (the \"Common Stock\"), at a price per share equal to $0.9949. The Series A Stock has no expiration date and contains a provision prohibiting conversion to the extent that upon conversion the holder, together with its affiliates and any \"group\" members, would beneficially own in excess of 9.985% of the number of shares of Common Stock then outstanding."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 8, 2019, Skyline Venture Partners Qualified Purchaser Fund IV, LP. (\"Skyline\") converted 700 shares of Series A Stock, resulting in the issuance to Skyline of 703,558588 shares of Common Stock. The reporting person is a Managing Director of Skyline Venture Management IV, LLC, the sole general partner of Skyline, and may be deemed to share voting and dispositive power over the shares held by Skyline. The reporting person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person or any other person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2175882,"source":{"system":"sec-edgar","filing":"0001171843-19-007468","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000117184319007468/ownership.xml","form_type":"4"}},{"id":3428180,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-27T19:13:32.000Z","date":"2019-08-26","kind":"sale","acquired":false,"shares":152424,"price":18.4038,"value":2805180.8112,"ownership":{"direct":false,"nature":"By Skyline Venture Partner V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $18.40 to $19.21, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund and Mr. Kaneko disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein."}],"balance_after":3819985,"source":{"system":"sec-edgar","filing":"0001562180-19-004500","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004500/primarydocument.xml","form_type":"4"}},{"id":3430141,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-23T22:34:29.000Z","date":"2019-08-23","kind":"sale","acquired":false,"shares":180,"price":20.03,"value":3605.4,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"balance_after":3972409,"source":{"system":"sec-edgar","filing":"0001562180-19-004460","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004460/primarydocument.xml","form_type":"4"}},{"id":3430140,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-23T22:34:29.000Z","date":"2019-08-22","kind":"sale","acquired":false,"shares":2185,"price":20.049,"value":43807.065,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.02 to $20.18, inclusive."}],"balance_after":3972589,"source":{"system":"sec-edgar","filing":"0001562180-19-004460","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004460/primarydocument.xml","form_type":"4"}},{"id":3430139,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-23T22:34:29.000Z","date":"2019-08-21","kind":"sale","acquired":false,"shares":18144,"price":20.1729,"value":366017.0976,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.02 to $20.26, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund and Mr. Kaneko disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein."}],"balance_after":3974774,"source":{"system":"sec-edgar","filing":"0001562180-19-004460","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004460/primarydocument.xml","form_type":"4"}},{"id":3430138,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-23T22:34:29.000Z","date":"2019-08-21","kind":"sale","acquired":false,"shares":27067,"price":20.1367,"value":545040.0589,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.05 to $20.21, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund and Mr. Kaneko disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein."}],"balance_after":3992918,"source":{"system":"sec-edgar","filing":"0001562180-19-004460","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004460/primarydocument.xml","form_type":"4"}},{"id":3438685,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-08-14T23:41:17.000Z","date":"2019-08-12","kind":"sale","acquired":false,"shares":400000,"price":18.25,"value":7300000.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund and Mr. Kaneko disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein."}],"balance_after":4019985,"source":{"system":"sec-edgar","filing":"0001562180-19-004288","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000156218019004288/primarydocument.xml","form_type":"4"}},{"id":3484018,"issuer":{"id":5797,"kind":"organization","name":"SUTRO BIOPHARMA, INC.","symbol":"STRO"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy Common 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Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest on April 25, 2020, subject to the director's continued service with the issuer. The restricted stock units will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the issuer, in shares of the issuer's common stock."}],"balance_after":6960,"source":{"system":"sec-edgar","filing":"0001192482-19-000216","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248219000216/edgar.xml","form_type":"4"}},{"id":3760758,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-11-16T21:16:48.000Z","date":"2018-11-14","kind":"other","acquired":true,"shares":5859,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By John Freund Family Partnership IV, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the John Freund Family Partnership IV, L.P. (\"Freund LP\"). The reporting person is the trustee and beneficiary of the The John G. Freund Revocable Trust u/a/d 6/26/01 which serves as the general partner of Freund LP. The reporting person disclaims beneficial ownership of the shares held by Freund LP except to the extent of his proportionate pecuniary interest therein."}],"balance_after":26365,"source":{"system":"sec-edgar","filing":"0001192482-18-000477","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248218000477/edgar.xml","form_type":"4"}},{"id":3760757,"issuer":{"id":5169,"kind":"organization","name":"COLLEGIUM PHARMACEUTICAL, INC"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-11-16T21:16:48.000Z","date":"2018-11-14","kind":"other","acquired":false,"shares":400000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a pro rata in-kind distribution of the shares by Skyline Venture Partners V, L.P. without consideration to its limited and general partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held by Skyline Venture Partners V, L.P. The general partner of Skyline Venture Partners V, L.P. is Skyline Venture Management V, LLC. John G. Freund and Yasunori Kaneko are managers of Skyline Venture Management V, LLC. These individuals share voting and investment power over the shares held by Skyline Venture Management, LLC. Dr. Freund disclaims beneficial ownership of all the shares held by Skyline Venture Partners V, L.P. except to the extent of his proportionate pecuniary interest therein."}],"balance_after":1149916,"source":{"system":"sec-edgar","filing":"0001192482-18-000477","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1296771/000119248218000477/edgar.xml","form_type":"4"}},{"id":3786439,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":147193,"kind":"organization","name":"Skyline Venture Partners V LP","position":1,"cik":"0001419187","reported_name":"Skyline Venture Partners V LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":147194,"kind":"organization","name":"Skyline Venture Management V, LLC","position":2,"cik":"0001434887","reported_name":"Skyline Venture Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":40449,"kind":"person","name":"Freund John Gordon","position":3,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":38757,"kind":"person","name":"KANEKO YASUNORI","position":4,"cik":"0001277503","reported_name":"KANEKO YASUNORI","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series 7 Preferred Stock","published_at":"2018-10-19T20:48:46.000Z","date":"2018-10-19","kind":"exercise","acquired":false,"shares":398676,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. John G. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V.  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Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":4419985,"source":{"system":"sec-edgar","filing":"0001209191-18-055697","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000120919118055697/doc4.xml","form_type":"4"}},{"id":3786396,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-10-19T20:48:04.000Z","date":"2018-10-19","kind":"exercise","acquired":true,"shares":398676,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":4094985,"source":{"system":"sec-edgar","filing":"0001209191-18-055697","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000120919118055697/doc4.xml","form_type":"4"}},{"id":3786395,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-10-19T20:48:04.000Z","date":"2018-10-19","kind":"exercise","acquired":true,"shares":690689,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer's Series 4 Preferred Stock, Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":3696309,"source":{"system":"sec-edgar","filing":"0001209191-18-055697","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000120919118055697/doc4.xml","form_type":"4"}},{"id":3786394,"issuer":{"id":2501,"kind":"organization","name":"SI-BONE, Inc.","symbol":"SIBN"},"owners":[{"id":40449,"kind":"person","name":"Freund John Gordon","position":1,"cik":"0001296771","reported_name":"Freund John Gordon","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-10-19T20:48:04.000Z","date":"2018-10-19","kind":"exercise","acquired":true,"shares":792195,"ownership":{"direct":false,"nature":"By Skyline Venture Partners V, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Issuer's Series 6 Preferred Stock automatically converted into approximately 1.05878 shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Skyline Venture Partners V, L.P. (\"SVP V\"). Skyline Venture Management V, LLC (\"LLC\") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, together with Yasunori Kaneko, are the managing directors of LLC and each may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein."}],"balance_after":3005620,"source":{"system":"sec-edgar","filing":"0001209191-18-055697","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1459839/000120919118055697/doc4.xml","form_type":"4"}}],"next_cursor":"2018-10-19T20:48:04.000000Z,3786394"}