Sec Form 4 Filing - Mento Steven J @ Conatus Pharmaceuticals Inc. - 2019-08-01

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 Mento Steven J 2. Issuer Name and Ticker or Trading Symbol Conatus Pharmaceuticals Inc. [ CNAT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President, CEO & Director (Last) (First) (Middle) C/O CONATUS PHARMACEUTICALS INC., 16745 WEST BERNARDO DRIVE, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 08/01/2019 (Street) SAN DIEGO, CA92127 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 Stock Option (Right to Buy) $ 9.45 08/01/2019 D 400,000 ( 1 ) 02/06/2024 Common Stock 400,000 ( 2 ) 0 D Stock Option (Right to Buy) $ 6.4 08/01/2019 D 150,000 ( 1 ) 02/22/2025 Common Stock 150,000 ( 3 ) 0 D Stock Option (Right to Buy) $ 6.4 08/01/2019 D 50,000 ( 1 ) 02/22/2025 Common Stock 50,000 ( 4 ) 0 D Stock Option (Right to Buy) $ 1.85 08/01/2019 D 20,000 ( 5 ) 02/03/2026 Common Stock 20,000 ( 6 ) 0 D Stock Option (Right to Buy) $ 1.85 08/01/2019 D 37,500 ( 1 ) 02/03/2026 Common Stock 37,500 ( 7 ) 0 D Stock Option (Right to Buy) $ 4.21 08/01/2019 D 172,500 ( 8 ) 01/25/2027 Common Stock 172,500 ( 9 ) 0 D Stock Option (Right to Buy) $ 5.17 08/01/2019 D 120,000 ( 10 ) 02/03/2028 Common Stock 120,000 ( 11 ) 0 D Stock Option (Right to Buy) $ 2 08/01/2019 D 350,000 ( 12 ) 02/06/2029 Common Stock 350,000 ( 13 ) 0 D Restricted Stock Units ( 14 ) 08/01/2019 A 650,000 ( 15 ) ( 16 ) ( 16 ) Common Stock 650,000 $ 0 650,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mento Steven J C/O CONATUS PHARMACEUTICALS INC. 16745 WEST BERNARDO DRIVE, SUITE 200 SAN DIEGO, CA92127 X President, CEO & Director Signatures /s/ Michelle L. Vandertie, Attorney-in-Fact for Steven J. Mento 08/01/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately exercisable. ( 2 )On August 1, 2019, the Issuer canceled the option granted on February 7, 2014. In exchange for the canceled option, the Reporting Person received 200,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 3 )On August 1, 2019, the Issuer canceled the option granted on February 23, 2015. In exchange for the canceled option, the Reporting Person received 75,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 4 )On August 1, 2019, the Issuer canceled the option granted on February 23, 2015. In exchange for the canceled option, the Reporting Person received 25,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 5 )The option was granted on February 4, 2016. 25% of the total number of shares of common stock subject to the option vested on February 4, 2017, and 1/48th of the total number of shares of common stock subject to the option vest monthly thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. ( 6 )On August 1, 2019, the Issuer canceled the option granted on February 4, 2016. In exchange for the canceled option, the Reporting Person received 10,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 7 )On August 1, 2019, the Issuer canceled the option granted on February 4, 2016. In exchange for the canceled option, the Reporting Person received 18,750 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 8 )The option was granted on January 26, 2017. 25% of the total number of shares of common stock subject to the option vested on January 26, 2018, and 1/48th of the total number of shares of common stock subject to the option vest monthly thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. ( 9 )On August 1, 2019, the Issuer canceled the option granted on January 26, 2017. In exchange for the canceled option, the Reporting Person received 86,250 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 10 )The option was granted on February 4, 2018. 25% of the total number of shares of common stock subject to the option vested on February 2, 2019, and 1/48th of the total number of shares of common stock subject to the option vest monthly thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. ( 11 )On August 1, 2019, the Issuer canceled the option granted on February 4, 2018. In exchange for the canceled option, the Reporting Person received 60,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 12 )The option was granted on February 7, 2019. 25% of the total number of shares of common stock subject to the option will vest on February 7, 2020, and 1/48th of the total number of shares of common stock subject to the option will vest monthly thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. ( 13 )On August 1, 2019, the Issuer canceled the option granted on February 7, 2019. In exchange for the canceled option, the Reporting Person received 175,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 14 )Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. ( 15 )Represents 200,000 restricted stock units received in exchange for canceling the Reporting Person's option granted on February 7, 2014; 100,000 restricted stock units received in exchange for canceling the Reporting Person's options granted on February 23, 2015; 10,000 restricted stock units received in exchange for canceling the Reporting Person's option granted on February 4, 2016; 18,750 restricted stock units received in exchange for canceling the Reporting Person's option granted on February 4, 2016; 86,250 restricted stock units received in exchange for canceling the Reporting Person's option granted on January 26, 2017; 60,000 restricted stock units received in exchange for canceling the Reporting Person's option granted on February 4, 2018; and 175,000 restricted stock units received in exchange for canceling the Reporting Person's option granted on February 7, 2019. ( 16 )The restricted stock units will vest, subject to the Reporting Person's continuous service to the Issuer through the vesting date, on the first anniversary of the grant date. In addition, the restricted stock units will vest upon a Change of Control, an employee's termination without Cause, or resignation for Good Reason, as such terms are defined in the Issuer's 2013 Incentive Award Plan. Upon any other termination of service of the Reporting Person, unvested restricted stock units will be forfeited.

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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