UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 4)*

MedMen Enterprises Inc.

(Name of Issuer)

Class B Subordinate Voting Shares

(Title of Class of Securities)

58507M107

(CUSIP Number)

December 31, 2023

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[X] Rule 13d-1(b)

[X] Rule 13d-1(c)

[ ] Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

CUSIP No. 58507M107

Names of Reporting Persons.

Parallax Volatility Advisers, L.P.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a) ______

(b) ______

3. SEC Use Only

Citizenship or Place of Organization California

Number of

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power 0

6. Shared Voting Power 86,061,599⁽¹⁾

7. Sole Dispositive Power 0

8. Shared Dispositive Power 86,061,599

Aggregate Amount Beneficially Owned by Each Reporting Person 86,061,599

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______

11.

Percent of Class Represented by Amount in Row (9) 5.8%⁽²⁾

12.

Type of Reporting Person (See Instructions) IA, PN

⁽¹⁾ The number of Class B Subordinate Voting Shares reported herein by the Filers (as defined below) consists of (a) 31,250,000 shares issued to the Filers on May 17, 2021, (b) 12,007,829 shares issuable on conversion of a Senior Secured Convertible Note of the Issuer dated as of August 17, 2021, (c) 11,445,389 shares issuable on exercise of Warrants of the Issuer dated as of August 17, 2021, (d) 31,250,000 shares issuable on exercise of Warrants of the Issuer dated as of May 17, 2021, and (e) 108,381 shares issuable on exercise of warrants dated as of March 4, 2022.

(2) Based on (a) 1,391,916,839 Class B Subordinate Voting Shares outstanding on June 30, 2023, as reported in the Issuer’s Form 10-Q filed on July 10, 2023, and (b) 54,811,599 Class B Subordinate Voting Shares issuable to the Filers pursuant to the Convertible Note and Warrants reported herein.

CUSIP No. 58507M107

Names of Reporting Persons.

Parallax Master Fund, L.P.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a) ______

(b) ______

3. SEC Use Only

Citizenship or Place of Organization Cayman Islands

Number of

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power 0

6. Shared Voting Power 86,061,599

7. Sole Dispositive Power 0

8. Shared Dispositive Power 86,061,599

Aggregate Amount Beneficially Owned by Each Reporting Person 86,061,599

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______

11.

Percent of Class Represented by Amount in Row (9) 5.8%

12.

Type of Reporting Person (See Instructions) PN

CUSIP No. 58507M107

Names of Reporting Persons.

Parallax Partners, LLC

Check the Appropriate Box if a Member of a Group (See Instructions)

(a) ______

(b) ______

3. SEC Use Only

Citizenship or Place of Organization California

Number of

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power 0

6. Shared Voting Power 86,061,599

7. Sole Dispositive Power 0

8. Shared Dispositive Power 86,061,599

Aggregate Amount Beneficially Owned by Each Reporting Person 86,061,599

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______

11.

Percent of Class Represented by Amount in Row (9) 5.8%

12.

Type of Reporting Person (See Instructions) OO

CUSIP No. 58507M107

Names of Reporting Persons.

S. Daniel Hutchison

Check the Appropriate Box if a Member of a Group (See Instructions)

(a) ______

(b) ______

3. SEC Use Only

Citizenship or Place of Organization Canada

Number of

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power 0

6. Shared Voting Power 86,061,599

7. Sole Dispositive Power 0

8. Shared Dispositive Power 86,061,599

Aggregate Amount Beneficially Owned by Each Reporting Person 86,061,599

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______

11.

Percent of Class Represented by Amount in Row (9) 5.8%

12.

Type of Reporting Person (See Instructions) HC, IN

CUSIP No. 58507M107

Names of Reporting Persons.

William F. Bartlett

Check the Appropriate Box if a Member of a Group (See Instructions)

(a) ______

(b) ______

3. SEC Use Only

Citizenship or Place of Organization U.S.A.

Number of

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power 0

6. Shared Voting Power 86,061,599

7. Sole Dispositive Power 0

8. Shared Dispositive Power 86,061,599

Aggregate Amount Beneficially Owned by Each Reporting Person 86,061,599

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______

11.

Percent of Class Represented by Amount in Row (9) 5.8%

12.

Type of Reporting Person (See Instructions) HC, IN

CUSIP No. 58507M107

Item 1.

(a)

Name of Issuer

MedMen Enterprises Inc.

(b)

Address of Issuer’s Principal Executive Offices

8740 S. Sepulveda Blvd., Suite 105, Los Angeles, California 90045

Item 2.

(a)

The names of the persons filing this statement are:

Parallax Volatility Advisers, L.P. (the “Investment Adviser”), Parallax Partners, LLC (the “General Partner”), Parallax Master Fund, L.P. (the “Master Fund”), S. Daniel Hutchison and William F. Bartlett (collectively, the “Filers”)

The Investment Adviser and the General Partner are the investment adviser and general partner, respectively, of investment funds, including the Master Fund (the “Funds”). Mr. Hutchison and Mr. Bartlett are the control persons of the Investment Adviser and the General Partner. The Filers are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each Filer also disclaims beneficial ownership of the Stock except to the extent of that person’s pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of the Master Fund should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any of the Stock covered by this Schedule 13G.

(b)

The principal business office of the Filers is located at

88 Kearny Street, 20th Floor

San Francisco, California 94108

(c)

For citizenship of Filers, see Item 4 of the cover sheet for each Filer.

(d)

This statement relates to the Issuer’s Class B Subordinate Voting Shares (the “Stock”).

(e)

The CUSIP number of the Issuer is: 58507M107

CUSIP No. 58507M107

Item 3.

If this statement is filed pursuant to rule 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

[ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

[ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

[ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

[ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e)

[ X ] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E). As to the Investment Adviser.

(f)

[ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F).

(g)

[ X ] A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G). As to Mr. Hutchison and Mr. Bartlett.

(h)

[ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813).

(i)

[ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3).

(j)

[ ] A non-U.S. institution in accordance with §240.13d-1(b)(ii)(J).

(k)

[ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution _______________________________________________________________.

Item 4.

Ownership.

See Items 5-9 and 11 of the cover page for each Filer.

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

The Funds, including the Master Fund, hold the Stock for the benefit of their investors and have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Stock.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

CUSIP No. 58507M107

Item 8.

Identification and Classification of Members of the Group.

Not applicable.

Item 9.

Notice of Dissolution of Group

Not applicable.

Item 10.

Material to Be Filed as Exhibits

Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G.

Item 11.

Certification of the Investment Adviser, Mr. Hutchison and Mr. Bartlett

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

Certification of the Master Fund and the General Partner

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

CUSIP No. 58507M107

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 13, 2024

PARALLAX VOLATILITY ADVISERS, L.P.

By: /s/ Easton Chen
Easton Chen, Chief Compliance Officer

PARALLAX MASTER FUND, L.P.

By: Parallax Partners, LLC,
General Partner

By: /s/ William F. Bartlett
William F. Bartlett, Manager

PARALLAX PARTNERS, LLC

By: /s/ William F. Bartlett
William F. Bartlett, Manager

/s/ S. Daniel Hutchison
S. Daniel Hutchison

/s/ William F. Bartlett
William F. Bartlett

CUSIP No. 58507M107

EXHIBIT A

AGREEMENT REGARDING JOINT FILING

OF STATEMENT ON SCHEDULE 13D OR 13G

The undersigned agree to file jointly with the Securities and Exchange Commission (the “SEC”) any and all statements on Schedule 13D or Schedule 13G or Forms 3, 4 or 5(and any amendments or supplements thereto) required under section 13(d) and 16(a) of the Securities Exchange Act of 1934, as amended, in connection with purchases by the undersigned of the securities of any issuer. For that purpose, the undersigned hereby constitute and appoint Parallax Volatility Advisers, L.P., a California limited partnership, as their true and lawful agent and attorney-in-fact, with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the SEC and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16(a) of the Securities Exchange Act of 1934, as amended, in connection with said purchases, and to do and perform every act necessary and proper to be done incident to the exercise of the foregoing power, as fully as the undersigned might or could do if personally present.

Dated: August 23, 2021

PARALLAX VOLATILITY ADVISERS, L.P.

By: /s/ Easton Chen
Easton Chen, Chief Compliance Officer

PARALLAX MASTER FUND, L.P.

By: Parallax Partners, LLC,
General Partner

By: /s/ William F. Bartlett
William F. Bartlett, Manager

PARALLAX PARTNERS, LLC

By: /s/ William F. Bartlett
William F. Bartlett, Manager

/s/ S. Daniel Hutchison
S. Daniel Hutchison

/s/ William F. Bartlett
William F. Bartlett

MedMen Enterprises, Inc. SC 13G/A