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    New insider Bridgebio Pharma Llc claimed ownership of 13,805,126 shares (SEC Form 3)

    8/18/25 5:16:16 PM ET
    $HLXB
    Get the next $HLXB 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*
    BridgeBio Pharma LLC

    (Last) (First) (Middle)
    C/O BRIDGEBIO PHARMA, INC.
    3160 PORTER DRIVE, SUITE 250

    (Street)
    PALO ALTO CA 94304

    (City) (State) (Zip)
    2. Date of Event Requiring Statement (Month/Day/Year)
    08/11/2025
    3. Issuer Name and Ticker or Trading Symbol
    BridgeBio Oncology Therapeutics, Inc. [ BBOT ]
    4. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    5. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    Form filed by One Reporting Person
    X 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 13,805,126 D(1)(2)
    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
    Stock Option (Right to Buy) (3) 05/18/2030 Common Stock 63,934 $3.83 D
    Stock Option (Right to Buy) (3) 05/18/2030 Common Stock 9,494 $1.02 D
    1. Name and Address of Reporting Person*
    BridgeBio Pharma LLC

    (Last) (First) (Middle)
    C/O BRIDGEBIO PHARMA, INC.
    3160 PORTER DRIVE, SUITE 250

    (Street)
    PALO ALTO CA 94304

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    BridgeBio Pharma, Inc.

    (Last) (First) (Middle)
    3160 PORTER DR., SUITE 250

    (Street)
    PALO ALTO CA 94304

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    Explanation of Responses:
    1. Shares are held by BridgeBio Pharma LLC ("BBIO LLC"). Voting and investment power over the shares held by BBIO LLC is exercised by its parent entity, BridgeBio Pharma, Inc. ("BBIO"). The board of directors of BBIO consists of Neil Kumar, Ph.D., Eric Aguiar, M.D., Jennifer E. Cook, Douglas A. Dachille, Ronald J. Daniels, Andrea J. Ellis, Fred Hassan, Charles Homcy, M.D., Andrew W. Lo, Ph.D., Frank P. McCormick, Ph.D., F.R.S., D.Sc., James C. Momtazee, Ali J. Satvat, Randal W. Scott, Ph.D., and Hannah A. Valantine, M.D. (each a BBIO director, and collective, the BBIO Directors"). None of the members of the board of directors of BBIO or BBIO LLC has individual voting or investment power with respect to such shares. Each of BBIO and the BBIO Directors disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Exchange Act, except to the extent of its, his, or her pecuniary interest therein, if any.
    2. (Continued from Footnote 1) This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.
    3. The shares subject to such option are fully vested.
    /s/ Neil Kumar, Chief Executive Officer of BridgeBio Pharma LLC 08/18/2025
    /s/ Neil Kumar, Chief Executive Officer of BridgeBio Pharma, Inc. 08/18/2025
    ** 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.
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