Sec Form 4 Filing - PAPPAS ARTHUR M @ Kezar Life Sciences, Inc. - 2018-06-25

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 PAPPAS ARTHUR M 2. Issuer Name and Ticker or Trading Symbol Kezar Life Sciences, Inc. [ KZR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P.O. BOX 110287 3. Date of Earliest Transaction (MM/DD/YY) 06/25/2018 (Street) RESEARCH TRIANGLE PARK, NC27709 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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, par value $0.001 per share 06/25/2018 C 290,924 A 290,924 I See footnotes ( 2 ) ( 4 ) ( 5 ) Common Stock, par value $0.001 per share 06/25/2018 C 23,894 A 23,894 I See footnotes ( 3 ) ( 4 ) ( 5 )

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 Ser ies B Preferred Stock, par value $0.001 per share ( 1 ) 06/25/2018 C 290,924 ( 1 ) ( 1 ) Common Stock 290,924 $ 0 0 I See footnotes ( 2 ) ( 4 ) ( 5 ) Series B Preferred Stock, par value $0.001 per share ( 1 ) 06/25/2018 C 23,894 ( 1 ) ( 1 ) Common Stock 23,894 $ 0 0 I See footnotes ( 3 ) ( 4 ) ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other PAPPAS ARTHUR M P.O. BOX 110287 RESEARCH TRIANGLE PARK, NC27709 X A.M. Pappas Life Science Ventures V, LP P.O. BOX 110287 RESEARCH TRIANGLE PARK, NC27709 X PV V CEO Fund, LP P.O. BOX 110287 RESEARCH TRIANGLE PARK, NC27709 X AMP&A Management V, LLC P.O. BOX 110287 RESEARCH TRIANGLE PARK, NC27709 X PAPPAS CAPITAL, LLC P.O. BOX 110287 RESEARCH TRIANGLE PARK, NC27709 X Signatures /s/ Amanda Keister, attorney-in-fact for Arthur M. Pappas 06/26/2018 Signature of Reporting Person Date /s/ Amanda Keister, attorney-in-fact for A.M. Pappas Life Science Ventures V, LP 06/26/2018 Signature of Reporting Person Date /s/ Amanda Keister, attorney-in-fact for PV V CEO Fund, LP 06/26/2018 Signature of Reporting Person Date /s/ Amanda Keister, attorney-in-fact for AMP&A Management V, LLC 06/26/2018 Signature of Reporting Person Date /s/ Amanda Keister, attorney-in-fact for Pappas Capital, LLC 06/26/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Series B Preferred Stock, par value $0.001 per share, converted into Common Stock, par value $0.001 per share, on a one-for-one basis and had no expiration date. ( 2 )These shares are held of record by A.M. Pappas Life Science Ventures V, LP ("Pappas Ventures"). ( 3 )These shares are held of record by PV V CEO Fund, LP ("CEO Fund" and, together with Pappas Ventures, the "Pappas Funds"). ( 4 )AMP&A Management V, LLC ("Management V") is the general partner of each of the Pappas Funds and has a management agreement with Pappas Capital, LLC ("Pappas Capital") whereby Pappas Capital's investment committee has sole power to vote or to direct the vote of, and sole power to dispose or to direct the disposition of, all shares owned by the Pappas Funds. Mr. Arthur Pappas is the sole managing member of Pappas Capital. By virtue of their respective relationships with the Pappas Funds, each of Management V, Pappas Capital and Mr. Pappas may be deemed to indirectly beneficially own the shares of which Pappas Ventures and CEO Fund are the record owners. (continue in footnote 5) ( 5 )Each of Management V, Pappas Capital and Mr. Pappas disclaims beneficial ownership of the shares reported herein, except to the extent of its or his respective pecuniary interests therein. This report shall not be deemed an admission that such reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose.

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 4(b)(v).

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