• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishDashboard
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI employees
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SC 13G/A filed by Solid Biosciences Inc.

    11/12/24 9:30:20 AM ET
    $SLDB
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Get the next $SLDB alert in real time by email
    SC 13G/A 1 p24-3027sc13ga.htm SOLID BIOSCIENCES INC.
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
    SCHEDULE 13G/A
     
    Under the Securities Exchange Act of 1934
    (Amendment No. 1)*
     

    Solid Biosciences Inc.

    (Name of Issuer)
     

    Common Stock, par value $0.001 per share

    (Title of Class of Securities)
     

    83422E204

    (CUSIP Number)
     

    September 30, 2024**

    (Date of Event Which Requires Filing of This Statement)
     
     
    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
     
    ý Rule 13d-1(b)
    ¨ Rule 13d-1(c)
    ¨ Rule 13d-1(d)
     
    (Page 1 of 8 Pages)

     

    ______________________________

    *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 the disclosures provided in a prior cover page.

    ** The original Schedule 13G filed with the Securities and Exchange Commission with respect to the shares of Common Stock held by the Reporting Persons (as defined in Item 2(a) hereof) prior to the date hereof was filed by Adage Capital Partners GP, L.L.C. (CIK 0001165408), which is no longer a Reporting Person with respect to the shares of Common Stock held by the Reporting Persons.

    The information required in 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).

     

     

     

     

     

     

    CUSIP No. 83422E20413G/APage 2 of 8 Pages

     

    1

    NAME OF REPORTING PERSON

    Adage Capital Management, L.P.

    2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

    (a) ¨

    (b) ¨

    3 SEC USE ONLY
    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

    Delaware

    NUMBER OF
    SHARES
    BENEFICIALLY
    OWNED BY
    EACH
    REPORTING
    PERSON WITH:
    5

    SOLE VOTING POWER

    0

    6

    SHARED VOTING POWER

    1,754,159

    7

    SOLE DISPOSITIVE POWER

    0

    8

    SHARED DISPOSITIVE POWER

    1,754,159

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,754,159

    10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

    4.55%

    12

    TYPE OF REPORTING PERSON

    PN, IA

             

     

     

     

    CUSIP No. 83422E20413G/APage 3 of 8 Pages

     

     

    1

    NAME OF REPORTING PERSON

    Robert Atchinson

    2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

    (a) ¨

    (b) ¨

    3 SEC USE ONLY
    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

    United States

    NUMBER OF
    SHARES
    BENEFICIALLY
    OWNED BY
    EACH
    REPORTING
    PERSON WITH:
    5

    SOLE VOTING POWER

    0

    6

    SHARED VOTING POWER

    1,754,159

    7

    SOLE DISPOSITIVE POWER

    0

    8

    SHARED DISPOSITIVE POWER

    1,754,159

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,754,159

    10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

    4.55%

    12

    TYPE OF REPORTING PERSON

    IN; HC

             

     

     

     

     

    CUSIP No. 83422E20413G/APage 4 of 8 Pages

     

     

    1

    NAME OF REPORTING PERSON

    Phillip Gross

    2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

    (a) ¨

    (b) ¨

    3 SEC USE ONLY
    4

    CITIZENSHIP OR PLACE OF ORGANIZATION

    United States

    NUMBER OF
    SHARES
    BENEFICIALLY
    OWNED BY
    EACH
    REPORTING
    PERSON WITH:
    5

    SOLE VOTING POWER

    0

    6

    SHARED VOTING POWER

    1,754,159

    7

    SOLE DISPOSITIVE POWER

    0

    8

    SHARED DISPOSITIVE POWER

    1,754,159

    9

    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,754,159

    10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
    11

    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

    4.55%

    12

    TYPE OF REPORTING PERSON

    IN; HC

             

     

     

     

     

    CUSIP No. 83422E20413G/APage 5 of 8 Pages

     

     

    Item 1(a). NAME OF ISSUER
      The name of the issuer is Solid Biosciences Inc. (the “Company”).

     

    Item 1(b). ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES
      The Company’s principal executive offices are located at 500 Rutherford Avenue, Third Floor, Charlestown, MA 02129.

     

    Item 2(a). NAME OF PERSON FILING
      This statement is filed by:

     

      (i) Adage Capital Management, L.P., a Delaware limited partnership (“ACM”), as the investment manager of Adage Capital Partners, L.P., a Delaware limited partnership (“ACP”), with respect to the shares of Common Stock directly held by ACP;
       
      (ii) Robert Atchinson (“Mr. Atchinson”), as (1) managing member of Adage Capital Advisors, L.L.C., a limited liability company organized under the laws of the State of Delaware (“ACA”), managing member of Adage Capital Partners GP, L.L.C., a limited liability company organized under the laws of the State of Delaware (“ACPGP”), general partner of ACP and (2) managing member of Adage Capital Partners LLC, a Delaware limited liability company (“ACPLLC”), general partner of ACM, with respect to the shares of Common Stock directly held by ACP; and
       
      (iii) Phillip Gross (“Mr. Gross”), as (1) managing member of ACA, managing member of ACPGP and (2) managing member of ACPLLC, general partner of ACM, with respect to the shares of Common Stock directly held by ACP.
       
      The foregoing persons are hereinafter sometimes collectively referred to as the “Reporting Persons.”  Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.
       
      The filing of this statement should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the securities reported herein.

     

    Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE
      The address of the business office of each of the Reporting Persons is 200 Clarendon Street, 52nd Floor, Boston, Massachusetts 02116.

     

    Item 2(c). CITIZENSHIP
      ACM is a limited partnership organized under the laws of the State of Delaware.  Messrs. Gross and Atchinson are citizens of the United States.

     

    Item 2(d). TITLE OF CLASS OF SECURITIES
      Common Stock, par value $0.001 per share (the “Common Stock”).

     

    Item 2(e). CUSIP NUMBER
      83422E204

     

     

    CUSIP No. 83422E20413G/APage 6 of 8 Pages

     

     

    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 Act;
      (b) ¨ Bank as defined in Section 3(a)(6) of the Act;
      (c) ¨ Insurance company as defined in Section 3(a)(19) of the Act;
      (d) ¨ Investment company registered under Section 8 of the Investment Company Act of 1940;
      (e) þ 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) þ

    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: Not applicable.                                                             

     

    Item 4. OWNERSHIP
      The information required by Items 4(a) – (c) is set forth in Rows (5) – (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
       
      The percentage set forth in this Schedule 13G/A is calculated based upon 38,595,237 shares of Common Stock outstanding as of August 9, 2024, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2024, filed with the Securities and Exchange Commission on August 13, 2024.

     

    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 Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ☒

     

    Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
      See Item 2(a).

     

     

    CUSIP No. 83422E20413G/APage 7 of 8 Pages

     

     

    Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON
      Not applicable.

     

    Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
      Not applicable.

     

    Item 9. NOTICE OF DISSOLUTION OF GROUP
      Not applicable.

     

    Item 10. CERTIFICATION  
      Each of the Reporting Persons hereby makes the following certification:
       
      By signing below each Reporting Person certifies that, to the best of his or its knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

     

     

     

    CUSIP No. 83422E20413G/APage 8 of 8 Pages

    SIGNATURES

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

    DATE: November 12, 2024

     

    ADAGE CAPITAL MANAGEMENT, L.P.  
    By: Adage Capital Partners LLC,  
    its general partner  
       

    /s/ Robert Atchinson

     
    Name:  Robert Atchinson  
    Title: Managing Member  
       

    /s/ Robert Atchinson

     
    ROBERT ATCHINSON, individually  
       

    /s/ Phillip Gross

     
    PHILLIP GROSS, individually  

     

    Get the next $SLDB alert in real time by email

    Chat with this insight

    Save time and jump to the most important pieces.

    Recent Analyst Ratings for
    $SLDB

    DatePrice TargetRatingAnalyst
    1/8/2025$16.00Buy
    Truist
    12/13/2024$16.00Outperform
    Wedbush
    12/10/2024$15.00Mkt Outperform
    JMP Securities
    7/15/2024$10.00 → $15.00Neutral → Overweight
    JP Morgan
    6/24/2024$12.00Market Perform → Outperform
    Leerink Partners
    5/31/2024$20.00Overweight
    Piper Sandler
    3/28/2024$40.00Outperform
    William Blair
    3/15/2024$16.00Buy
    Citigroup
    More analyst ratings

    $SLDB
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    See more
    • SEC Form 4 filed by Director Keresty Georgia

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      6/18/25 4:05:04 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • SEC Form 4 filed by Director Stone Adam Leo

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      6/13/25 5:06:25 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • SEC Form 4 filed by Director Perceptive Advisors Llc

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      6/13/25 5:05:50 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care

    $SLDB
    SEC Filings

    See more
    • Solid Biosciences Inc. filed SEC Form 8-K: Leadership Update, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

      8-K - Solid Biosciences Inc. (0001707502) (Filer)

      6/13/25 4:21:19 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • SEC Form S-8 filed by Solid Biosciences Inc.

      S-8 - Solid Biosciences Inc. (0001707502) (Filer)

      6/13/25 4:02:48 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • SEC Form EFFECT filed by Solid Biosciences Inc.

      EFFECT - Solid Biosciences Inc. (0001707502) (Filer)

      5/28/25 12:15:12 AM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care

    $SLDB
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    See more
    • Director Kahn Clare bought $9,924 worth of shares (1,860 units at $5.34), increasing direct ownership by 169% to 2,960 units (SEC Form 4)

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      3/13/25 4:05:03 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • Large owner Bain Capital Life Sciences Investors, Llc bought $4,030,000 worth of shares (1,000,000 units at $4.03) (SEC Form 4)

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      2/21/25 5:48:02 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care
    • Director Perceptive Advisors Llc bought $20,150,000 worth of shares (5,000,000 units at $4.03) (SEC Form 4)

      4 - Solid Biosciences Inc. (0001707502) (Issuer)

      2/21/25 4:17:42 PM ET
      $SLDB
      Biotechnology: Biological Products (No Diagnostic Substances)
      Health Care