Sec Form 4 Filing - TKACHENKO ROMAN @ 4Front Ventures Corp. - 2025-01-03

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 TKACHENKO ROMAN 2. Issuer Name and Ticker or Trading Symbol 4Front Ventures Corp. [ FFNTF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O 4FRONT VENTURES CORP., 7010 E. CHAUNCEY LANE, SUITE 235 3. Date of Earliest Transaction (MM/DD/YY) 01/03/2025 (Street) PHOENIX, AZ85054 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) $ 0.01 ( 1 ) 01/03/2025 A 400,000 ( 2 ) 01/03/2030 Class A SVS 400,000 ( 3 ) 2,200,000 D Stock Option (right to buy) $ 0.09 ( 4 ) 01/03/2025 D 400,000 ( 2 ) 07/25/2029 Class A SVS 400,000 ( 3 ) 0 D Stock Option (right to buy) $ 0.01 ( 1 ) 01/03/2025 A 1,100,000 ( 5 ) 01/03/2030 Class A SVS 1,200,000 ( 6 ) 2,200,000 D Stock Option (right to buy) $ 0.15 ( 7 ) 01/03/2025 D 1,100,000 ( 5 ) 06/30/2028 Class A SVS 1,200,000 ( 6 ) 0 D Stock Option (right to buy) $ 0.01 ( 1 ) 01/03/2025 A 700,000 ( 8 ) 01/03/2030 Class A SVS 700,000 ( 9 ) 2,200,000 D Stock Option (right to buy) $ 0.16 ( 10 ) 01/03/2025 D 700,000 ( 8 ) 05/26/2028 Class A SVS 700,000 ( 9 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other TKACHENKO ROMAN C/O 4FRONT VENTURES CORP. 7010 E. CHAUNCEY LANE, SUITE 235 PHOENIX, AZ85054 X Signatures /s/ Roman Tkachenko 01/06/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Converted from CAD$0.02 based on CAD-USD Bank of Canada exchange rate of 1.4442 on January 3, 2025. ( 2 )No options vest until July 25, 2025, then 1/24th of the options vest each month. ( 3 )The Reporting Person agreed to cancellation of an option granted on July 25, 2024, in exchange for a new option having a lower exercise price. ( 4 )Converted from CAD$0.12 based on CAD-USD Bank of Canada exchange rate of 1.3819 on July 25, 2024. ( 5 )The options are vested upon grant, however, pursuant to the terms of the award agreement may not be exercised prior to June 30, 2025. ( 6 )The Reporting Person agreed to cancellation of an option granted on June 30, 2023, in exchange for a new option having a lower exercise price. ( 7 )Converted from CAD$0.20 based on CAD-USD Bank of Canada exchange rate of 1.324 on June 30, 2023. ( 8 )7/24ths of the options are vested upon grant; the remainder of the options vest 1/24th each month. ( 9 )The Reporting Person agreed to cancellation of an option granted on May 26, 2023, in exchange for a new option having a lower exercise price. ( 10 )Converted from CAD$0.22 based on CAD-USD Bank of Canada Exchange rate of 1.3623 on May 26, 2023.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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