Sec Form 3 Filing - DIALECTIC CAPITAL MANAGEMENT, LP @ ACHIEVE LIFE SCIENCES, INC. - 2022-11-18

FORM 3 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 DIALECTIC CAPITAL MANAGEMENT, LP 2. Issuer Name and Ticker or Trading Symbol ACHIEVE LIFE SCIENCES, INC. [ ACHV] 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) 119 ROWAYTON AVENUE, 2ND FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 11/18/2022 (Street) NORWALK, CT06853 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 3,494,000( 3 ) I By: Dialectic Life Sciences SPV LLC( 1 ) Common Stock, par value $0.001 per share 55,000 I By: John Fichthorn( 2 )

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 Stock Warrants (right to buy) $ 4.5 05/18/2023( 4 )( 5 ) 11/18/2029 Common Stock 1,747,000( 3 ) I By: Dialectic Life Sciences SPV LLC( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DIALECTIC CAPITAL MANAGEMENT, LP 119 ROWAYTON AVENUE 2ND FLOOR NORWALK, CT06853 X Dialectic Partners, LLC 2ND FLOOR 119 ROWAYTON AVE NORWALK, CT06853 X FICHTHORN JOHN C/O DIALECTIC CAPITAL MANAGEMENT, LP 119 ROWAYTON AVENUE, 2ND FLOOR NORWALK, CT06853 X Dialectic LS Manager LLC 119 ROWAYTON AVENUE 2ND FLOOR NORWALK, CT06853 X Dialectic Life Sciences SPV LLC C/O DIALECTIC LS MANAGER LLC 119 ROWAYTON AVENUE, 2ND FLOOR NORWALK, CT06853 X Signatures /s/ John Fichthorn, for himself and as controlling person of the Adviser GP (for itself and on behalf of the Adviser) and the SPV MM (for itself and on behalf of the SPV) 11/21/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These securities are held directly by Dialectic Life Sciences SPV LLC (the "SPV"). The SPV is a private investment vehicle. Dialectic Capital Management LP (the "Adviser") is the investment adviser for the SPV. Dialectic Partners, LLC (the "Adviser GP") is the general partner of the Adviser. Dialectic LS Manager LLC (the "SPV MM") is the managing member of the SPV. John Fichthorn is the controlling person of the Adviser GP and the SPV MM. Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose. ( 2 )These securities are held directly by John Fichthorn. Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose. ( 3 )The reported securities are included within 1,747,000 ACHV Units purchased by the SPV on November 18, 2022. Each Unit consists of two shares of Common Stock and one warrant to purchase one share of Common Stock. ( 4 )The Issuer shall not effect any exercise of these warrants, and the SPV shall not have the right to exercise these warrants, to the extent that after giving effect to the issuance of Common Stock after exercise, the SPV (together with the SPV's affiliates, and any other persons acting as a group together with the SPV or any of the SPV's affiliates) would beneficially own in excess of the Beneficial Ownership Limitation. ( 5 )The "Beneficial Ownership Limitation" shall be 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon exercise of these warrants. The SPV, upon notice to the Issuer, may decrease, and subsequently increase or decrease, the Beneficial Ownership Limitation, provided that the Beneficial Ownership Limitation in no event exceeds 19.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon exercise of these warrants. Any increase in the Beneficial Ownership Limitation will not be effective until the 61st day after notice is delivered to the Issuer.

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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