Sec Form 4 Filing - Hull Hans @ PLIANT THERAPEUTICS, INC. - 2020-06-05

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 Hull Hans 2. Issuer Name and Ticker or Trading Symbol PLIANT THERAPEUTICS, INC. [ PLRX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Business Officer (Last) (First) (Middle) C/O PLIANT THERAPEUTICS, INC., 260 LITTLEFIELD AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 06/05/2020 (Street) SOUTH SAN FRANCISCO, CA94080 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 06/05/2020 C 5,079 A 117,246 D Common Stock 06/05/2020 C 3,821 A 3,821 I See footnote ( 5 ) Common Stock 13,985 I See footnote ( 6 ) Common Stock 13,985 I See footnote ( 7 )

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 Series C Preferred Stock ( 2 ) 02/28/2020 A 27,322 ( 2 ) ( 2 ) Common Stock 3,821 $ 13.0845 ( 2 ) ( 3 ) 27,322 I See footnote ( 5 ) Stock Option (right to buy) $ 6.22 ( 3 ) 03/31/2020 A 70,352 ( 3 ) ( 4 ) 03/30/2030 Common Stock 70,352 ( 3 ) $ 0 70,352 ( 3 ) D Series B Preferred Stock ( 1 ) 06/05/2020 C 36,319 ( 1 ) ( 1 ) Common Stock 5,079 $ 0 0 D Series C Preferred Stock ( 2 ) 06/05/2020 C 27,322 ( 2 ) ( 2 ) Common Stock 3,821 $ 0 0 I See footnote ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hull Hans C/O PLIANT THERAPEUTICS, INC. 260 LITTLEFIELD AVENUE SOUTH SAN FRANCISCO, CA94080 Chief Business Officer Signatures /s/ Anthony Franks, attorney-in-fact 06/09/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Series B Preferred Stock converted into Common Stock on a 7.15-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock had no expiration date. ( 2 )The Series C Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Series C Preferred Stock converted into Common Stock on a 7.15-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series C Preferred Stock had no expiration date. ( 3 )On May 22, 2020, the Issuer completed a one-for-7.15 reverse stock split of the Issuer's Common Stock ("Reverse Stock Split"). This amount has been adjusted to give effect to this Reverse Stock Split. ( 4 )1/48th of the shares subject to such option vest and become exercisable in substantially equal installments on each monthly anniversary of March 31, 2020 (or if there is no corresponding day in any such month, on the last day of such month), subject to the Reporting Person's continuous service to the Issuer on each such date. ( 5 )Shares held by The Sloger Hull Family Trust. The Reporting Person and his spouse serve as trustees for the trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. ( 6 )The shares are held by a trust for the Reporting Person's minor child ("Child A Trust"). The Reporting Person and his spouse serve as trustees for Child A Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. ( 7 )The shares are held by a trust for the Reporting Person's minor child ("Child B Trust"). The Reporting Person and his spouse serve as trustees for Child B Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares 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.

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