Perceptive Advisors Llc - Feb 19, 2025 Form 4 Insider Report for Solid Biosciences Inc. (SLDB)

Role: Director, 10%+ Owner
Signature: /s/ Joseph Edelman - for Perceptive Advisors LLC, By: Joseph Edelman, its managing member
Stock symbol: SLDB
Transactions as of: Feb 19, 2025
Transactions value $: $20,150,000
Form type: 4
Date filed: 2/21/2025, 04:17 PM
Previous filing: Feb 14, 2025
Next filing: Apr 7, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLDB	Common Stock	Purchase	$20.2M	+5M	+73.17%	$4.03	11.8M	Feb 19, 2025	See footnote	F1
holding	SLDB	Common Stock						73.1K	Feb 19, 2025	See footnote	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	The securities are directly held by Perceptive Xontogeny Venture Fund, L.P. ("PXV"). The Advisor serves as the investment manager of PXV, and Perceptive Xontogeny Ventures GP, LLC ("PXV GP") is the general partner of PXV. Mr. Edelman is the managing member of PXV GP and the Advisor. The Advisor, PXV GP 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.

Content

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.

The securities are directly held by Perceptive Xontogeny Venture Fund, L.P. ("PXV"). The Advisor serves as the investment manager of PXV, and Perceptive Xontogeny Ventures GP, LLC ("PXV GP") is the general partner of PXV. Mr. Edelman is the managing member of PXV GP and the Advisor. The Advisor, PXV GP 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.