Sec Form 4 Filing - Kumar Neil @ BridgeBio Pharma, Inc. - 2019-07-01

FORM 4 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 Kumar Neil 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) See Remarks (Last) (First) (Middle) C/O BRIDGEBIO PHARMA, INC., 421 KIPLING STREET 3. Date of Earliest Transaction (MM/DD/YY) 07/01/2019 (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 Common Stock 07/01/2019 M 323,270 ( 2 ) A 323,270 D Common Stock 07/01/2019 M 906,905 ( 3 ) A 1,230,175 D Common Stock 07/01/2019 M 1,742,631 ( 5 ) A 2,972,806 D Common Stock 07/01/2019 M 2,744,459 ( 7 ) A 5,717,265 D Common Stock 07/01/2019 M 1,907,102 ( 8 ) A 7,624,367 D Common Stock 07/01/2019 M 400,375 ( 4 ) A 400,375 I See footnote ( 4 ) Common Stock 07/01/2019 M 927,686 ( 6 ) A 927,686 I See footnote ( 6 )

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 ( 1 ) 07/01/2019 M 323,270 ( 2 ) ( 1 ) ( 1 ) Common Stock 323,270 $ 0 0 D Common Units ( 1 ) 07/01/2019 M 906,905 ( 3 ) ( 1 ) ( 1 ) Common Stock 906,905 $ 0 0 D Series B Units ( 1 ) 07/01/2019 M 400,375 ( 4 ) ( 1 ) ( 1 ) Common Stock 400,375 $ 0 0 I See footnote ( 4 ) Management Incentive Units ( 1 ) 07/01/2019 M 1,742,631 ( 5 ) ( 1 ) ( 1 ) Common Stock 1,742,631 $ 0 0 D Management Incentive Units ( 1 ) 07/01/2019 M 927,686 ( 6 ) ( 1 ) ( 1 ) Common Stock 927,686 $ 0 0 I See footnote ( 6 ) Management Incentive Units ( 1 ) 07/01/2019 M 2,744,459 ( 7 ) ( 1 ) ( 1 ) Common Stock 2,744,459 $ 0 0 D Management Incentive Units ( 1 ) 07/01/2019 M 1,907,102 ( 8 ) ( 1 ) ( 1 ) Common Stock 1,907,102 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Kumar Neil C/O BRIDGEBIO PHARMA, INC. 421 KIPLING STREET PALO ALTO, CA94301 X See Remarks Signatures /s/ Ralph Scarborough, as Attorney-in-fact 07/03/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately prior to the closing of the Issuer's initial public offering (the "IPO"), all units in BridgeBio Pharma LLC (the "LLC") held by the Reporting Person were 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 was merged with and into the LLC, and shares of Common Stock were 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 was 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 Neil Kumar LLC. The Reporting Person is the sole member of Neil Kumar LLC and has sole voting, investment and dispositive power over the shares held by Neil Kumar LLC. The Reporting Person disclaims Section 16 beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that such shares are beneficially owned by the Reporting Person for Section 16 or any other purposes. ( 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 Common Stock issuable in the Reorganization in exchange for Management Incentive Units in the LLC held by The Kumar Haldea Family Irrevocable Trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims Section 16 beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that such shares are beneficially owned by the Reporting Person for Section 16 or any other purposes. ( 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 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. ( 8 )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.

Remarks: Chief Executive Officer and President

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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