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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1707502	Solid Biosciences Inc.	SLDB	()	4

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1403404	Robert Atchinson	200 Clarendon Street 52Nd Floor Boston MA 02116	No	No	Yes	No
1403413	Phillip Gross	200 Clarendon Street 52Nd Floor Boston MA 02116	No	No	Yes	No
1535978	Adage Capital Management, L.p.	200 Clarendon Street, 52Nd Floor Boston MA 02116	No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, $0.001 Par Value Per Share	Acquisiton	2025-02-18	252,545	$7.56	4,248,084	No	4	P	Indirect	See footnotes

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See footnotes

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.22 to $7.75, inclusive. The Reporting Persons undertake to provide to 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 herein.
The securities to which this filing relates are held directly by Adage Capital Partners, L.P., a Delaware limited partnership ("ACP"). Adage Capital Management, L.P., a Delaware limited partnership ("ACM"), serves as the investment manager of ACP and as such has discretion over the portfolio securities held by ACP. Robert Atchinson and Phillip Gross are the managing members of (i) Adage Capital Advisors, L.L.C., a Delaware limited liability company, managing member of Adage Capital Partners GP, L.L.C., a Delaware limited liability company, general partner of ACP and (ii) Adage Capital Partners LLC, a Delaware limited liability company, general partner of ACM.
Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except as to such extent of such Reporting Person's pecuniary interest in the securities, if any.