Statement of Ownership (sc 13g)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

Information Statement Pursuant to Rules 13d-1 and 13d-2

Under the Securities Exchange Act of 1934

(Amendment No. __)*

Solid Biosciences Inc.

(Name of Issuer)

Common stock, par value $0.001 per share

(Title of Class of Securities)

83422E105

(CUSIP Number)

December 31, 2018

Date of Event Which Requires Filing of the Statement

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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Page 2 of 8 Pages

NAME OF REPORTING PERSON

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Gilad Hayeem

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ¨

(b) ¨

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

British citizen

NUMBER OF

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

SHARED VOTING POWER

3,542,746

SOLE DISPOSITIVE POWER

SHARED DISPOSITIVE POWER

See Row 6 above

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

See Row 6 above

10.

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

10.0% ¹

12.

TYPE OF REPORTING PERSON

The percentages reported in this Schedule 13G are based upon 35,432,460 shares of common stock outstanding as of November 1, 2018 (according to the Form 10-Q filed by the issuer with the Securities and Exchange Commission on November 13, 2018). The Reporting Persons’ beneficial ownership is less than 10% of the issuer’s outstanding shares.

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NAME OF REPORTING PERSON

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

DTMG Limited

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ¨

(b) ¨

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

British Virgin Islands

NUMBER OF

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

SHARED VOTING POWER

3,542,746 shares

SOLE DISPOSITIVE POWER

SHARED DISPOSITIVE POWER

See Row 6 above

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

See Row 6 above

10.

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨

11.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

10.0%

12.

TYPE OF REPORTING PERSON

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Item 1(a)

Name of Issuer

Solid Biosciences Inc.

Item 1 (b)

Address of Issuer’s Principal Executive Offices

141 Portland Street, Fifth Floor, Cambridge, MA 02139

Item 2(a)

Name of Person Filing
This Schedule 13G is being jointly filed by Mr. Gilad Hayeem and DTMG Limited (“DTMG”) with respect to shares of common stock of the above-named issuer owned by DTMG. Mr. Hayeem owns and controls DTMG.

Item 2(b)

Address of Principal Business Office
c/o Hunton Andrews Kurth LLP, Attn: Eric Markus, 2200 Pennsylvania Avenue, NW, Washington, DC 20037.

Item 2(c)

Citizenship
Mr. Hayeem is a citizen of the United Kingdom. DTMG is organized as a limited company under the laws of the British Virgin Islands.

Item 2(d)

Title of Class of Securities

Common stock, $0.001 par value

Item 2(e)

CUSIP Number

83422E105

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Item 3

If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

(a)

Broker or dealer registered under Section 15 of the Exchange Act;

(b)

Bank as defined in Section 3(a)(6) of the Exchange Act;

(c)

Insurance company as defined in Section 3(a)(19) of the Exchange Act;

(d)

Investment company registered under Section 8 of the Investment Company Act;

(e)

An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

(h)

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

(i)

A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j)

A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);

(k)

Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: ____________.

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Item 4

Ownership

Gilad Hayeem

(a)

Mr. Hayeem beneficially owns (indirectly) 3,542,746 shares of common stock.

(b)

The number of shares Mr. Hayeem beneficially owns (indirectly) constitutes less than 10% of the common stock outstanding.

(c)

Number of shares as to which such person has (indirectly):

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 3,542,746

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 3,542,746

DTMG Limited

(a)

DTMG beneficially owns 3,542,746 shares of common stock.

(b)

The number of shares DTMG beneficially owns constitutes less than 10% of the common stock outstanding.

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 3,542,746

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 3,542,746

Item 5

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ¨ .

Item 6

Ownership of More than Five Percent on Behalf of Another Person

Not Applicable

Item 7

Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company

See Item 2 above

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Item 8

Identification and Classification of Members of the Group

Not Applicable

Item 9

Notice of Dissolution of Group

Not Applicable

Item 10

Certification
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

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After reasonable inquiry and to the best of its knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Dated this 14 ^th day of February, 2019.