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    Amendment: SEC Form SCHEDULE 13D/A filed by Larimar Therapeutics Inc.

    7/31/25 6:26:44 PM ET
    $LRMR
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $LRMR alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 10)


    Larimar Therapeutics, Inc.

    (Name of Issuer)


    Common Stock, par value $0.0001 per share

    (Title of Class of Securities)


    517125100

    (CUSIP Number)


    David Clark
    Deerfield Management Company, L.P., 345 Park Avenue, 12th Floor
    New York, NY, 10010
    212-551-1600


    Elliot Press
    Deerfield Management Company, L.P., 345 Park Avenue, 12th Floor
    New York, NY, 10010
    212-551-1600


    Jonathan D. Weiner, Esq.
    Katten Muchin Rosenman LLP, 50 Rockefeller Plaza
    New York, NY, 10020
    212-940-8800


    Mark D. Wood, Esq.
    Katten Muchin Rosenman LLP, 50 Rockefeller Plaza
    New York, NY, 10020
    212-940-8800

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    07/31/2025

    (Date of Event Which Requires Filing of This Statement)


    If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

    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).






    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Private Design Fund III, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    9,538,918.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    9,538,918.00
    11Aggregate amount beneficially owned by each reporting person

    9,538,918.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    11.14 %
    14Type of Reporting Person (See Instructions)

    PN



    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Healthcare Innovations Fund, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    7,321,129.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    7,321,129.00
    11Aggregate amount beneficially owned by each reporting person

    7,321,129.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    8.55 %
    14Type of Reporting Person (See Instructions)

    PN



    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Private Design Fund IV, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    9,538,945.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    9,538,945.00
    11Aggregate amount beneficially owned by each reporting person

    9,538,945.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    11.14 %
    14Type of Reporting Person (See Instructions)

    PN



    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Partners, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    4,207,982.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    4,207,982.00
    11Aggregate amount beneficially owned by each reporting person

    4,207,982.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    4.91 %
    14Type of Reporting Person (See Instructions)

    PN



    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Mgmt III, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    AF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    9,538,918.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    9,538,918.00
    11Aggregate amount beneficially owned by each reporting person

    9,538,918.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    11.14 %
    14Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:
    Comprised of shares of common stock held by Deerfield Private Design Fund III, L.P., of which Deerfield Mgmt III, L.P. is the general partner.


    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Mgmt HIF, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    AF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    7,321,129.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    7,321,129.00
    11Aggregate amount beneficially owned by each reporting person

    7,321,129.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    8.55 %
    14Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:
    Comprised of shares of common stock held by Deerfield Healthcare Innovations Fund, L.P., of which Deerfield Mgmt HIF, L.P. is the general partner.


    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Mgmt IV, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    AF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    9,538,945.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    9,538,945.00
    11Aggregate amount beneficially owned by each reporting person

    9,538,945.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    11.14 %
    14Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:
    Comprised of shares of common stock held by Deerfield Private Design Fund IV, L.P., of which Deerfield Mgmt IV, L.P. is the general partner.


    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Mgmt, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    WC
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    4,207,982.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    4,207,982.00
    11Aggregate amount beneficially owned by each reporting person

    4,207,982.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    4.91 %
    14Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:
    Comprised of shares of common stock held by Deerfield Partners, L.P., of which Deerfield Mgmt, L.P. is the general partner.


    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    Deerfield Management Company, L.P.
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    AF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox checked
    6Citizenship or place of organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    30,667,474.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    30,667,474.00
    11Aggregate amount beneficially owned by each reporting person

    30,667,474.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    35.81 %
    14Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:
    Comprised of (i) an aggregate of 30,606,974 shares of common stock held by Deerfield Private Design Fund III, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Healthcare Innovations Fund, L.P. and Deerfield Partners, L.P., of which Deerfield Management Company, L.P. is the investment manager and (ii) an aggregate of 60,500 shares of common stock issuable upon exercise of options (the "Leff Options") held by Jonathan Leff, an employee of Deerfield Management Company, L.P., for the benefit, and subject to the direction, of Deerfield Management Company, L.P. The Leff Options consist options that were granted to Mr. Leff on July 16, 2020, May 12, 2021, May 10, 2022, May 9, 2023 and May 29, 2024, each of which is fully vested.


    SCHEDULE 13D

    CUSIP No.
    517125100


    1 Name of reporting person

    James E. Flynn
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    AF
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    0.00
    8Shared Voting Power

    30,667,474.00
    9Sole Dispositive Power

    0.00
    10Shared Dispositive Power

    30,667,474.00
    11Aggregate amount beneficially owned by each reporting person

    30,667,474.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    35.81 %
    14Type of Reporting Person (See Instructions)

    IN

    Comment for Type of Reporting Person:
    Comprised of (i) an aggregate of 30,606,974 shares of common stock held by Deerfield Private Design Fund III, L.P., Deerfield Private Design Fund IV, L.P., Deerfield Healthcare Innovations Fund, L.P. and Deerfield Partners, L.P., of which Deerfield Management Company, L.P. is the investment manager and (ii) an aggregate of 60,500 shares of common stock issuable upon exercise of options (the "Leff Options") held by Jonathan Leff, an employee of Deerfield Management Company, L.P., for the benefit, and subject to the direction, of Deerfield Management Company, L.P. The Leff Options consist options that were granted to Mr. Leff on July 16, 2020, May 12, 2021, May 10, 2022, May 9, 2023 and May 29, 2024, each of which is fully vested. Mr. Flynn is the sole manager of the general partner of each of Deerfield Mgmt III, L.P., Deerfield Mgmt IV, L.P., Deerfield Mgmt HIF, L.P., Deerfield Mgmt, L.P. and Deerfield Management Company, L.P.


    SCHEDULE 13D

    Item 1.Security and Issuer
    (a)Title of Class of Securities:

    Common Stock, par value $0.0001 per share
    (b)Name of Issuer:

    Larimar Therapeutics, Inc.
    (c)Address of Issuer's Principal Executive Offices:

    THREE BALA PLAZA EAST, SUITE 506, BALA CYNWYD, PENNSYLVANIA , 19004.
    Item 1 Comment:
    This Amendment No. 10 (this "Amendment") to Schedule 13D is filed by (i) Deerfield Private Design Fund III, L.P. ("Deerfield Private Design Fund III"), (ii) Deerfield Healthcare Innovations Fund, L.P. ("Deerfield Healthcare Innovations Fund"), (iii) Deerfield Private Design Fund IV, L.P. ("Deerfield Private Design Fund IV"), (iv) Deerfield Partners, L.P. ("Deerfield Partners"), (v) Deerfield Mgmt III, L.P. ("Deerfield Mgmt III"), (vi) Deerfield Mgmt HIF, L.P. ("Deerfield Mgmt HIF"), (vii) Deerfield Mgmt IV, L.P. ("Deerfield Mgmt IV"), (viii) Deerfield Mgmt, L.P. ("Deerfield Mgmt"), (ix) Deerfield Management Company, L.P. ("Deerfield Management") and (x) James E. Flynn ("Flynn" and, together with Deerfield Private Design Fund III, Deerfield Healthcare Innovations Fund, Deerfield Private Design Fund IV, Deerfield Partners, Deerfield Mgmt III, Deerfield Mgmt HIF, Deerfield Mgmt IV, Deerfield Mgmt and Deerfield Management, the "Reporting Persons"), with respect to the securities of Larimar Therapeutics, Inc. (as amended by Amendment No.1, Amendment No. 2, Amendment No. 3, Amendment No. 4, Amendment No. 5, Amendment No. 6, Amendment No. 7, Amendment No. 8, Amendment No. 9 and this Amendment No. 10, the "Schedule 13D"). Deerfield Private Design Fund III, Deerfield Healthcare Innovations Fund, Deerfield Private Design Fund IV and Deerfield Partners are collectively referred to herein as the "Funds".
    Item 2.Identity and Background
    (c)
    Flynn is the sole manager of the general partner of each of Deerfield Mgmt III, Deerfield Mgmt IV, Deerfield Mgmt HIF, Deerfield Mgmt and Deerfield Management Company. Deerfield Mgmt III is the general partner of Deerfield Private Design Fund III. Deerfield Mgmt IV is the general partner of Deerfield Private Design Fund IV. Deerfield Mgmt HIF is the general partner of Deerfield Healthcare Innovations Fund. Deerfield Mgmt is the general partner of Deerfield Partners. Deerfield Management Company is the investment manager of each Fund. Each Fund purchases, holds and sells securities and other investment products. Schedule A hereto sets forth information regarding persons referred in Instruction C to Schedule 13D.
    Item 3.Source and Amount of Funds or Other Consideration
     
    Item 3 of the Schedule 13D is hereby amended by adding the following: On July 31, 2025, Deerfield Private Design Fund III, Deerfield Private Design Fund IV and Healthcare Innovations Fund purchased 3,387,529, 3,387,539 and 2,599,932 shares of Common Stock (collectively, the "July 2025 Shares"), respectively, at a price of $3.20 per share, or aggregate purchase prices of $10,840,092.80, $10,840,124.80 and $8,319,782.40, respectively. Each Fund utilized available cash assets to acquire the July 2025 Shares.
    Item 4.Purpose of Transaction
     
    Item 4 of the Schedule 13D is hereby amended by adding the following: Each Fund acquired its July 2025 Shares for investment purposes in an underwritten offering conducted by the Company (the "July 2025 Offering") pursuant to the Prospectus Supplement, dated as of July 31, 2025, to the Issuer's Prospectus, dated as of May 24, 2024 (the "July 2025 Offering").
    Item 5.Interest in Securities of the Issuer
    (a)
    (1) Deerfield Private Design Fund III Number of shares: 9,538,918 Percentage of shares: 11.14%* (2) Deerfield Healthcare Innovations Fund Number of shares: 7,321,129 Percentage of shares: 8.55%* (3) Deerfield Private Design Fund IV Number of shares: 9,538,945 Percentage of shares: 11.14%* (4) Deerfield Partners Number of shares: 4,207,982 Percentage of shares: 4.91%* (5) Deerfield Mgmt III Number of shares: 9,538,918 (comprised of shares held by Deerfield Private Design Fund III) Percentage of shares: 11.14%* (6) Deerfield Mgmt HIF Number of shares: 7,321,129 (comprised of shares held by Deerfield Healthcare Innovations Fund) Percentage of shares: 8.55%* (7) Deerfield Mgmt IV Number of shares: 9,538,945 (comprised of shares held by Deerfield Private Design Fund) Percentage of shares: 11.14%* (8) Deerfield Mgmt Number of shares: 4,207,982 (comprised of shares held by Deerfield Partners) Percentage of shares: 4.91%* (9) Deerfield Management Number of shares: 30,667,474 (comprised of shares held by Deerfield Private Design Fund III, Deerfield Private Design Fund IV, Deerfield Healthcare Innovations Fund, Deerfield Partners and shares underlying options held by Jonathan Leff at the direction and for the benefit of Deerfield Management) Percentage of shares: 35.81%* (10) James E. Flynn Number of shares: 30,667,474 (comprised of shares held by Deerfield Private Design Fund III, Deerfield Private Design Fund IV, Deerfield Healthcare Innovations Fund, Deerfield Partners and shares underlying options held by Jonathan Leff at the direction and for the benefit of Deerfield Management) Percentage of shares: 35.81%* * Throughout this report, the percentage of outstanding Common Stock beneficially owned by the Reporting Persons reflects 85,590,392 shares of Common Stock outstanding, including shares issued in the July 2025 Offering, based on information set forth in the Prospectus Supplement, dated as of July 31, 2025, filed by the Company with the Securities and Exchange Commission on July 31, 2025.
    (b)
    (1) Deerfield Private Design Fund III Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 9,538,918 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 9,538,918 (2) Deerfield Healthcare Innovations Fund Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 7,321,129 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 7,321,129 (3) Deerfield Private Design Fund IV Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 9,538,945 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 9,538,945 (4) Deerfield Partners Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 4,207,982 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 4,207,982 (5) Deerfield Mgmt III Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 9,538,918 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 9,538,918 (6) Deerfield Mgmt HIF Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 7,321,129 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 7,321,129 (7) Deerfield Mgmt IV Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 9,538,945 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 9,538,945 (8) Deerfield Mgmt Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 4,207,982 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 4,207,982 (9) Deerfield Management Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 30,667,474 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 30,667,474 (10) James E. Flynn Sole power to vote or direct the vote: 0 Shared power to vote or direct the vote: 30,667,474 Sole power to dispose or to direct the disposition: 0 Shared power to dispose or direct the disposition: 30,667,474 James E. Flynn is the sole manager of the general partner of each of Deerfield Mgmt III, Deerfield Mgmt IV, Deerfield Mgmt HIF, Deerfield Mgmt, and Deerfield Management. Deerfield Mgmt III is the general partner of Deerfield Private Design Fund III. Deerfield Mgmt HIF is the general partner of Deerfield Healthcare Innovations Fund. Deerfield Mgmt IV is the general partner of Deerfield Private Design Fund IV. Deerfield Mgmt is the general partner of Deerfield Partners. Deerfield Management is the investment manager of each of Deerfield Private Design Fund III, Deerfield Healthcare Innovations Fund, Deerfield Private Design Fund IV and Deerfield Partners.
    (c)
    Except as set forth in Item 3 of this Schedule 13D, no Reporting Person has effected any transactions in the Common Stock during the past 60 days.
    Item 7.Material to be Filed as Exhibits.
     
    99.1 Schedule A - Information Regarding Persons Referred to in Instruction C to Schedule 13D

        SIGNATURE 
     
    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.

     
    Deerfield Private Design Fund III, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Healthcare Innovations Fund, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Private Design Fund IV, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Partners, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Mgmt III, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Mgmt HIF, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Mgmt IV, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Mgmt, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    Deerfield Management Company, L.P.
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
     
    James E. Flynn
     
    Signature:/s/ Jonathan Isler
    Name/Title:Jonathan Isler, Attorney-in-Fact
    Date:07/31/2025
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    SEC Form 10-Q filed by Larimar Therapeutics Inc.

    10-Q - Larimar Therapeutics, Inc. (0001374690) (Filer)

    8/14/25 3:36:43 PM ET
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    Amendment: SEC Form SCHEDULE 13G/A filed by Larimar Therapeutics Inc.

    SCHEDULE 13G/A - Larimar Therapeutics, Inc. (0001374690) (Subject)

    8/14/25 10:47:30 AM ET
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    Larimar Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Other Events, Financial Statements and Exhibits

    8-K - Larimar Therapeutics, Inc. (0001374690) (Filer)

    8/14/25 7:02:46 AM ET
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    Analyst Ratings

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    Truist initiated coverage on Larimar Therapeutics with a new price target

    Truist initiated coverage of Larimar Therapeutics with a rating of Buy and set a new price target of $18.00

    1/29/25 7:39:50 AM ET
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    Oppenheimer initiated coverage on Larimar Therapeutics with a new price target

    Oppenheimer initiated coverage of Larimar Therapeutics with a rating of Outperform and set a new price target of $26.00

    10/16/24 7:29:15 AM ET
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    Wedbush initiated coverage on Larimar Therapeutics with a new price target

    Wedbush initiated coverage of Larimar Therapeutics with a rating of Outperform and set a new price target of $22.00

    10/3/24 7:34:56 AM ET
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    * Director by Deputization Flynn James E bought $30,000,000 worth of shares (9,375,000 units at $3.20) (SEC Form 4)

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    8/4/25 6:28:33 PM ET
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    SEC Form 4 filed by * Director by Deputization Flynn James E

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    5/15/25 7:44:19 PM ET
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    SEC Form 4 filed by Director Sherman Jeffrey W

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    5/14/25 4:34:08 PM ET
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    Larimar Therapeutics Reports Second Quarter 2025 Financial Results

    Initial data from the 50 mg dose in the open label study and the adolescent PK run-in study planned for program update in September 2025Adolescent participants from the PK run-in study and patients with FA who have not participated in prior nomlabofusp clinical studies are currently screening and enrolling in the open label study; planning to enroll children (2 to 11 years of age) directly into the open label studyFDA recommended that the safety database include at least 30 participants with continuous study drug exposure for 6 months, and a subset of at least 10 participants for 1-year; large majority of safety data should be from participants receiving 50 mg nomlabofuspPublished two peer-r

    8/14/25 7:00:00 AM ET
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    Larimar Therapeutics Announces Closing of Underwritten Public Offering of Common Stock and Exercise in Full of the Underwriters' Option to Purchase Additional Shares

    BALA CYNWYD, Pa., July 31, 2025 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. ("Larimar") (NASDAQ:LRMR), a clinical-stage biotechnology company focused on developing treatments for complex rare diseases, today announced the closing of its previously announced underwritten public offering of 21,562,500 shares of its common stock, which includes the exercise in full of the underwriters' option to purchase 2,812,500 additional shares, at the public offering price of $3.20 per share. The aggregate gross proceeds to Larimar from this offering, before deducting underwriting discounts and commissions and offering expenses, were $69.0 million. Leerink Partners, Guggenheim Securities, Truist Secu

    7/31/25 4:15:00 PM ET
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    Larimar Therapeutics Announces Pricing of Underwritten Public Offering

    BALA CYNWYD, Pa., July 29, 2025 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. ("Larimar") (NASDAQ:LRMR), a clinical-stage biotechnology company focused on developing treatments for complex rare diseases, today announced the pricing of its previously announced underwritten public offering of 18,750,000 shares of its common stock at a price to the public of $3.20 per share. The aggregate gross proceeds to Larimar from this offering are expected to be $60.0 million, before deducting underwriting discounts and commissions and other offering expenses. In addition, Larimar has granted the underwriters a 30-day option to purchase up to an additional 2,812,500 shares of its common stock at the pu

    7/29/25 11:50:36 PM ET
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    * Director by Deputization Flynn James E bought $30,000,000 worth of shares (9,375,000 units at $3.20) (SEC Form 4)

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    8/4/25 6:28:33 PM ET
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    Hamilton Thomas Edward bought $499,998 worth of shares (57,208 units at $8.74), increasing direct ownership by 11% to 564,798 units (SEC Form 4)

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    5/31/24 4:56:58 PM ET
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    Flynn James E bought $37,499,993 worth of shares (4,290,617 units at $8.74) (SEC Form 4)

    4 - Larimar Therapeutics, Inc. (0001374690) (Issuer)

    2/16/24 2:37:50 PM ET
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    Larimar Therapeutics Announces FDA Recommendations on Safety Database, and Other Details of Nomlabofusp BLA Submission for Friedreich's Ataxia Program

    Interactions with FDA over the past year have provided clear expectations for the path to submission of the nomlabofusp BLAWritten FDA recommendations for safety database include a total of at least 30 participants with continuous exposure for 6 months including a subset of at least 10 with 1-year; large majority of the exposure should be on the 50 mg dose BLA submission seeking accelerated approval planned in the second quarter of 2026 to allow for inclusion of the recommended safety data for adults and childrenOLE data expected in September 2025 from 30-40 participants who received at least one dose of nomlabofusp; data will include participants on the 50 mg doseAdolescent PK run-in data e

    6/23/25 7:00:00 AM ET
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    Larimar Therapeutics Announces Regulatory Update Call on the Nomlabofusp Program for the Treatment of Friedreich's Ataxia

    BALA CYNWYD, Pa., June 20, 2025 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. (Larimar) (NASDAQ:LRMR), a clinical-stage biotechnology company focused on developing treatments for complex rare diseases, today announced that the Company will host a conference call and webcast to discuss regulatory updates for the Company's nomlabofusp clinical development program for the treatment of Friedreich's Ataxia on Monday, June 23, 2025 at 8:00 am EDT. Conference Call and Webcast DetailsTo access the webcast on Monday, June 23, 2025 at 8:00 am EDT, please visit this link to the event. To participate by phone, please dial 1-877-407-9716 (domestic) or 1-201-493-6779 (international) and refer to confe

    6/20/25 4:05:00 PM ET
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    Larimar Therapeutics Announces Positive Initial Data from Ongoing Long-term Open Label Extension Study & Progress Across Nomlabofusp Program for Friedreich's Ataxia

    Daily subcutaneous injections of 25 mg nomlabofusp in 14 participants were generally well tolerated for up to 260 days in the ongoing open label extension (OLE) studyTissue frataxin (FXN) levels showed mean change from baseline of 1.32 pg/μg in buccal cells and 9.28 pg/μg in skin cells at Day 90Tissue FXN levels increased and were maintained over time, with mean levels increasing from 15% of healthy volunteers (HV) at baseline to 30% in buccal cells and from 16% to 72% in skin cells at Day 90Early trends towards improvement in clinical outcomes were observed at Day 90, supporting the potential that nomlabofusp administration may result in a clinical benefit across a broad spectrum of patient

    12/16/24 7:00:00 AM ET
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    Larimar Therapeutics Appoints Dr. Jeffery W. Sherman to its Board of Directors

    BALA CYNWYD, Pa., Oct. 03, 2023 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. ("Larimar") (NASDAQ:LRMR), a clinical-stage biotechnology company focused on developing treatments for complex rare diseases, today announced the appointment of Jeffrey W. Sherman, M.D., F.A.C.P. to the Company's Board of Directors, effective today. Dr. Sherman, currently Executive Vice President, Chief Medical Officer (CMO) at Horizon Therapeutics Public Limited Company, has over 20 years of executive experience in regulatory and clinical strategy. "Dr. Sherman is a pharmaceutical industry veteran who brings decades of leadership experience in global regulatory and clinical strategy to our Board of Directors.

    10/3/23 4:05:00 PM ET
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    Larimar Therapeutics Reports Second Quarter 2023 Operating and Financial Results

    Initiation cleared for 50 mg cohort in Phase 2 Friedreich's ataxia (FA) dose exploration trial following FDA review of unblinded 25 mg cohort Phase 2 dataInitiation cleared for open-label extension (OLE) trial following FDA review of unblinded 25 mg cohort Phase 2 dataTop-line safety, pharmacokinetic, and frataxin data from the Phase 2 trial's 50 mg cohort expected in 1H 2024Initiation of OLE trial with 25 mg daily dosing expected in Q1 2024; interim data expected in Q4 2024 Cash, cash equivalents and marketable securities of $104.2 million as of June 30, 2023, provides projected cash runway into Q4 2024 BALA CYNWYD, Pa., Aug. 10, 2023 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. ("Lari

    8/10/23 7:00:00 AM ET
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    Larimar Therapeutics Appoints Dr. Rusty Clayton as Chief Medical Officer

    BALA CYNWYD, Pa., July 17, 2023 (GLOBE NEWSWIRE) -- Larimar Therapeutics, Inc. ("Larimar") (NASDAQ:LRMR), a clinical-stage biotechnology company focused on developing treatments for complex rare diseases, today announced the appointment of Russell "Rusty" Clayton, DO, as Chief Medical Officer ("CMO"), effective today. Dr. Clayton succeeds former CMO Nancy M. Ruiz, MD, who is retiring and will provide consulting support to the Company as needed. "We are delighted to welcome Dr. Clayton in his new role as CMO as we further expand our clinical development of CTI-1601. Rusty has been one of our closest advisors for the last 5 years, has attended every meeting between Larimar and the FDA, in

    7/17/23 4:05:00 PM ET
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    Amendment: SEC Form SC 13G/A filed by Larimar Therapeutics Inc.

    SC 13G/A - Larimar Therapeutics, Inc. (0001374690) (Subject)

    11/14/24 5:05:19 PM ET
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    Amendment: SEC Form SC 13G/A filed by Larimar Therapeutics Inc.

    SC 13G/A - Larimar Therapeutics, Inc. (0001374690) (Subject)

    11/14/24 11:41:09 AM ET
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    Amendment: SEC Form SC 13G/A filed by Larimar Therapeutics Inc.

    SC 13G/A - Larimar Therapeutics, Inc. (0001374690) (Subject)

    11/14/24 9:16:35 AM ET
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