Sec Form 4 Filing - Blome James @ Calyxt, Inc. - 2019-06-28

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 Blome James 2. Issuer Name and Ticker or Trading Symbol Calyxt, Inc. [ CLXT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 2800 MOUNT RIDGE ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/28/2019 (Street) ROSEVILLE, MN55113 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 06/28/2019 A 50,000 ( 1 ) A $ 0 204,136 D

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) $ 12.48 06/28/2019 A 125,000 06/28/2020( 2 ) 06/28/2029 Common Stock 125,000 $ 0 125,000 D Performance Stock Units ( 3 ) 06/28/2019 A 166,667 ( 3 ) 06/28/2022 Common Stock 166,667 $ 0 166,667 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Blome James 2800 MOUNT RIDGE ROAD ROSEVILLE, MN55113 Chief Executive Officer Signatures Dr. Andre Choulika, Attorney-in-Fact for James Blome 07/02/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )50,000 Restricted Stock Units with respect to Calyxt, Inc. common stock were granted to reporting person on 6/28/2019 and vest as to 15% of the underlying shares on the first anniversary of the Grant Date, as to 10% of the underlying shares on the second anniversary of the Grant Date, and as to 5% of the underlying shares on the last day of each calendar quarter beginning on the first full calendar quarter after the second anniversary of the Grant Date. ( 2 )Stock Option vests as to 15% of the underlying shares on the first anniversary of the Grant Date, as to 10% of the underlying shares on the second anniversary of the Grant Date, and as to 5% of the underlying shares on the last day of each calendar quarter beginning the first full calendar quarter after the second anniversary of the Grant Date. ( 3 )Each performance stock unit (PSU) represents a contingent right to receive one share of Calyxt common stock. The PSU will vest as to 50%, 100% or 120% of the shares at the end of a three year performance period based upon increases in Calyxt common stock from the starting price of $12.48 (and on a linear basis between vesting percentages) and if vested, will be issued as restricted stock with restrictions lapsing on the two year anniversary of the date of issuance.

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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