Sec Form 4 Filing - THUT ANDREW @ 4Front Ventures Corp. - 2023-06-23

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 THUT ANDREW 2. Issuer Name and Ticker or Trading Symbol 4Front Ventures Corp. [ FFNTF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Investment Officer (Last) (First) (Middle) C/O 4FRONT VENTURES CORP., 5060 N. 40TH STREET, SUITE 120 3. Date of Earliest Transaction (MM/DD/YY) 06/23/2023 (Street) PHOENIX, AZ85018 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) $ 0.76 ( 1 ) 06/23/2023 D 500,000 ( 2 ) 08/22/2024 Class A Subordinate Voting Shares 500,000 ( 3 ) 5,965,040 D Stock Option (right to buy) $ 0.65 ( 4 ) 06/23/2023 D 500,000 ( 5 ) 09/15/2025 Class A Subordinate Voting Shares 500,000 ( 6 ) 5,965,040 D Stock Option (right to buy) $ 1.23 ( 7 ) 06/23/2023 D 2,000,000 ( 8 ) 03/18/2026 Class A Subordinate Voting Shares 2,000,000 ( 9 ) 5,965,040 D Stock Option (right to buy) $ 0.46 ( 10 ) 06/23/2023 D 5,045,600 11/16/2022 11/16/2027 Class A Subordinate Voting Shares 5,045,600 ( 11 ) 5,965,040 D Stock Option (right to buy) $ 0.14 ( 12 ) 06/23/2023 A 8,045,600 ( 13 ) 06/23/2028 Class A Subordinate Voting Shares 8,045,600 ( 3 ) ( 6 ) ( 9 ) ( 11 ) 14,011,040 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other THUT ANDREW C/O 4FRONT VENTURES CORP. 5060 N. 40TH STREET, SUITE 120 PHOENIX, AZ85018 Chief Investment Officer Signatures /s/ Andrew Thut 06/29/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Converted from Canadian exercise price of C$1.00 using an exchange rate of C$1.3199 = US$1.00 as of June 23, 2023. ( 2 )The option was granted on August 22, 2019 and vested as follows: one-third on August 22, 2020, one-third on August 21, 2021, and one-third on August 22, 2022. ( 3 )The reporting person agreed to cancellation of an option granted to him on August 22, 2019, in exchange for a new option having a lower exercise price. ( 4 )Converted from Canadian exercise price of C$0.86 using an exchange rate of C$1.3199 = US$1.00 as of June 23, 2023. ( 5 )The option was granted on September 15, 2020 and vested as follows: one-half on March 15, 2021, and one-half on September 15, 2021. ( 6 )The reporting person agreed to cancellation of an option granted to him on September 15, 2020, in exchange for a new option having a lower exercise price. ( 7 )Converted from Canadian exercise price of C$1.63 using an exchange rate of C$1.3199 = US$1.00 as of June 23, 2023. ( 8 )The option was granted on March 21, 2021 and vested in three equal installments on each of September 18, 2021, March 18, 2022, and September 18, 2022. ( 9 )The reporting person agreed to cancellation of an option granted to him on March 21, 2021, in exchange for a new option having a lower exercise price. ( 10 )Converted from Canadian exercise price of C$0.61 using an exchange rate of C$1.3199 = US$1.00 as of June 23, 2023. ( 11 )The reporting person agreed to cancellation of an option granted to him on November 16, 2022, in exchange for a new option having a lower exercise price. ( 12 )Converted from Canadian exercise price of C$0.19 using an exchange rate of C$1.3199 = US$1.00 as of June 23, 2023. ( 13 )The options will vest 1/3rd on December 23, 2023, 1/3rd on June 23, 2024, and 1/3rd on December 23, 2024.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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