Solid Biosciences Inc. — Director's Dealing 2022

Dec 6, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Solid Biosciences Inc. (SLDB)
CIK: 0001707502
Period of Report: 2022-12-02

Reporting Person: PERCEPTIVE ADVISORS LLC (Director, 10% Owner)
Reporting Person: PERCEPTIVE LIFE SCIENCES MASTER FUND LTD (Director, 10% Owner)
Reporting Person: Perceptive Xontogeny Venture Fund, LP (Director, 10% Owner)
Reporting Person: Perceptive Venture Advisors, LLC (Director, 10% Owner)
Reporting Person: EDELMAN JOSEPH (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-12-02	Common Stock	A	2163120	$7.05	Acquired	3057290	Indirect
2022-12-02	Common Stock	A	365536	—	Acquired	3422826	Indirect
2022-12-02	Common Stock	A	73107	—	Acquired	73107	Indirect

Footnotes

F1: Acquired from the Issuer pursuant to the Securities Purchase Agreement dated September 29, 2022.

F2: Reflects the Issuer's reverse stock split that occurred on October 27, 2022.

F3: The securities are directly held by Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). Perceptive Advisors LLC (the "Advisor") serves as the investment manager to the Master Fund. Mr. Joseph Edelman is the managing member of the Advisor. Each of Mr. Edelman and the Advisor disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that either Mr. Edelman or the Advisor is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

F4: Acquired pursuant to the acquisition by the Issuer of AavantiBio, Inc. ("AavantiBio") in exchange for shares of preferred stock of AavantiBio pursuant to the Agreement and Plan of Merger dated September 29, 2022.

F5: The securities are directly held by Perceptive Xontogeny Venture Fund, LP ("Perceptive Xontogeny"). Perceptive Venture Advisors, LLC (the "Venture Advisor") serves as the investment advisor to Perceptive Xontogeny and is an affiliate of the Advisor. Mr. Joseph Edelman is the managing member of the Advisor. The Venture Advisor, the Advisor and Mr. Edelman disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his or its indirect pecuniary interest therein, and this report shall not be deemed an admission that they are the beneficial owner of such securities for purposes of Section 16 or for any other purposes.