SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* SMITH IAN F (Last) (First) (Middle) C/O SOLID BIOSCIENCES INC. 141 PORTLAND STREET, 5TH FLOOR (Street) CAMBRIDGE MA 02139 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Solid Biosciences Inc. [ SLDB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 06/16/2021
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Director Stock Option (Right to Buy)	$3.94	06/16/2021		A		30,000		(1)	06/16/2031	Common Stock	30,000	$0.00	30,000	D

Explanation of Responses:

1. This option was granted on June 16, 2021 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

Remarks:

Exhibit Index: 24.1 Power of Attorney

	/s/ by Erin P. Brennan as attorney-in-fact for Ian F. Smith	06/21/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

LIMITED POWER OF ATTORNEY FOR 									EXHIBIT 24.1
SECTION 16 REPORTING PURPOSES

	Know all by these presents, that the undersigned hereby makes, constitutes and
appoints each of Ilan Ganot and Erin Powers Brennan acting individually, as the
undersigned's true and lawful attorney-in-fact, with full power and authority as

hereinafter described on behalf of and in the name, place and stead of the
undersigned
to:

	(1)	execute for, and on behalf of, the undersigned, in the undersigned's
capacity as an officer, director and/or 10% beneficial owner of Solid
Biosciences Inc. (the "Company"), Forms 3, 4, and 5 in accordance with Section
16(a) of the Securities Exchange Act of 1934 and the rules and regulations
promulgated thereunder (the "Exchange Act");

	(2)	seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person to release
any such information to any attorney-in-fact and further approves and ratifies
any such release of information;

	(3)	do and perform any and all acts for and on behalf of the undersigned that
may be necessary or desirable to prepare, complete and execute any such Form 3,
4 or 5, and any amendments thereto, or other required report and timely file
such Forms or reports with the United States Securities and Exchange Commission,
the Nasdaq Stock Market and any stock exchange or similar authority as
considered necessary or advisable under Section 16(a) of the Exchange Act; and

	(4)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Limited Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact may approve in
such attorney-in-fact's sole discretion.

	The undersigned hereby gives and grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.

	The undersigned hereby acknowledges that (a) the foregoing attorneys-in-fact
are serving in such capacity at the request of the undersigned; (b) this Limited
Power of Attorney authorizes, but does not require, each such attorney-in-fact
to act in his or her discretion on information provided to such attorney-in-fact
without independent verification of such information; (c) any documents prepared
and/or executed by any attorney-in-fact on behalf of the undersigned pursuant to
this Limited Power of Attorney shall be in such form and shall contain such
information and disclosure as such attorney-in-fact, in his or her sole
discretion, deems necessary or advisable; (d) neither the Company nor any
attorney-in-fact assumes (i) any liability for the undersigned's responsibility
to comply with the requirements of the Exchange Act, (ii) any liability of the
undersigned for any failure to comply with such requirements or (iii) any
obligation or liability of the undersigned for profit disgorgement under Section
16(b) of the Exchange Act; and (e) this Limited Power of Attorney does not
relieve the undersigned from responsibility for compliance with the
undersigned's obligations under the Exchange Act, including, without limitation,
the reporting requirements under Section 16 of the Exchange Act.

	This Limited Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of, and transactions in, securities issued by the
Company, unless earlier revoked as to any attorney-in-fact by the undersigned in
a signed writing delivered to such attorney-in-fact.


	IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 21st day of June, 2021.



		/s/ Ian F. Smith__________

			Signature

		Ian F. Smith______________
			Print Name