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    New insider Panoff Marc L claimed ownership of 10,242 shares (SEC Form 3)

    9/29/25 8:12:03 PM ET
    $LBRX
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $LBRX alert in real time by email
    SEC FORM 3 SEC Form 3
    FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

    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: 3235-0104
    Estimated average burden
    hours per response: 0.5
    1. Name and Address of Reporting Person*
    PANOFF MARC L

    (Last) (First) (Middle)
    C/O LB PHARMACEUTICALS INC
    ONE PENNSYLVANIA PLAZA, SUITE 1025

    (Street)
    NEW YORK NY 10119

    (City) (State) (Zip)
    2. Date of Event Requiring Statement (Month/Day/Year)
    09/10/2025
    3. Issuer Name and Ticker or Trading Symbol
    LB PHARMACEUTICALS INC [ LBRX ]
    4. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director 10% Owner
    X Officer (give title below) Other (specify below)
    Senior Vice President, Finance
    5. 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 Beneficially Owned
    1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
    Common Stock 10,242 D
    Table II - Derivative Securities Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
    Date Exercisable Expiration Date Title Amount or Number of Shares
    Employee Stock Option (Right to Buy) (1) 11/13/2028 Common Stock 3,944 $64.15 D
    Employee Stock Option (Right to Buy) (1) 12/22/2029 Common Stock 896 $69.72 D
    Employee Stock Option (Right to Buy) (1) 08/30/2030 Common Stock 1,255 $69.72 D
    Employee Stock Option (Right to Buy) (2) 08/24/2033 Common Stock 14,343 $41.84 D
    Employee Stock Option (Right to Buy) (3) 06/26/2034 Common Stock 7,171 $41.84 D
    Explanation of Responses:
    1. Immediately exercisable.
    2. One fourth (1/4) of the shares subject to the option award vested on August 25, 2024 and the remaining shares subject to the option vested or shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.
    3. One fourth (1/4) of the shares subject to the option award vested on June 28, 2025 and the remaining shares subject to the option vested or shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.
    /s/ Marc Panoff 09/10/2025
    ** 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 5 (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.
    Get the next $LBRX alert in real time by email

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