Sec Form 3 Filing - HOMCY CHARLES J @ BridgeBio Pharma, Inc. - 2019-06-27

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person HOMCY CHARLES J 2. Issuer Name and Ticker or Trading Symbol BridgeBio Pharma, Inc. [ BBIO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman of Pharmaceuticals (Last) (First) (Middle) C/O BRIDGEBIO PHARMA, INC., 421 KIPLING STREET 3. Date of Earliest Transaction (MM/DD/YY) 06/27/2019 (Street) PALO ALTO, CA94301 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Common Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 47,165 ( 2 ) D Common Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 132,317 ( 3 ) D Series B Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 66,729 ( 4 ) D Management Incentive Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 406,723 ( 5 ) D Management Incentive Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 418,016 ( 6 ) D Management Incentive Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 290,476 ( 7 ) D Stock Option (right to buy) $ 17 ( 8 ) 06/26/2029 Common Stock 290,463 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HOMCY CHARLES J C/O BRIDGEBIO PHARMA, INC. 421 KIPLING STREET PALO ALTO, CA94301 X Chairman of Pharmaceuticals Signatures /s/ Ralph Scarborough, as attorney-in-fact 06/27/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately prior to the closing of the Issuer's initial public offering (the "IPO"), all outstanding units in BridgeBio Pharma LLC (the "LLC") will be exchanged for shares of Common Stock, par value $0.001 per share (the "Common Stock"), of the Issuer in an exempt transaction pursuant to Rules 16b-3, 16b-6 and 16b-7 (the "Reorganization"). In connection with the Reorganization, a wholly-owned subsidiary of the Issuer will be merged with and into the LLC, and shares of Common Stock will be allocated to the holders of outstanding units in the LLC pursuant to the distribution provisions of the Fourth Amended and Restated Limited Liability Company Agreement of the LLC, dated November 20, 2018, as amended, based upon the liquidation value of the LLC, assuming it is liquidated immediately prior to the closing of the IPO with a value implied by the IPO price of $17.00 per share. The LLC units have no expiration date. ( 2 )Represents shares of Common Stock issuable in the Reorganization in exchange for Common Units in the LLC held by the Reporting Person. ( 3 )Represents shares of restricted Common Stock issuable in the Reorganization in exchange for Common Units in the LLC held by the Reporting Person. The shares are subject to vesting at a rate of 1/60 per month from a vesting commencement date of May 6, 2015, such that the shares shall be fully vested on May 6, 2020, subject to the Reporting Person's continued service relationship to the Issuer through each vesting date. ( 4 )Represents shares of Common Stock issuable in the Reorganization in exchange for Series B Preferred Units in the LLC held by the Reporting Person. ( 5 )Represents shares of restricted Common Stock issuable in the Reorganization in exchange for Management Incentive Units in the LLC held by the Reporting Person. The shares are subject to vesting at a rate of 1/60 per month from a vesting commencement date of March 26, 2016, such that the shares shall be fully vested on March 26, 2021, subject to the Reporting Person's continued service relationship to the Issuer through each vesting date. ( 6 )Represents shares of restricted Common Stock issuable in the Reorganization in exchange for Management Incentive Units in the LLC held by the Reporting Person. The shares are subject to vesting at a rate of 1/60 per month from a vesting commencement date of August 15, 2017, such that the shares shall be fully vested on August 15, 2022, subject to the Reporting Person's continued service relationship to the Issuer through each vesting date. ( 7 )Represents shares of restricted Common Stock issuable in the Reorganization in exchange for Management Incentive Units in the LLC held by the Reporting Person. The shares are subject to vesting at a rate of 1/60 per month from a vesting commencement date of February 12, 2019, such that the shares shall be fully vested on February 12, 2024, subject to the Reporting Person's continued service relationship to the Issuer through each vesting date. ( 8 )The shares subject to this option vest and become exercisable in 48 equal monthly installments after June 26, 2019, subject to the Reporting Person's continued service to the Issuer through each vesting date.

Remarks: Exhibit 24.1 - Power of Attorney

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